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1
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Luo Y, Bai R. Analysis of correlation between dietary fiber intake and risk of diabetic kidney disease in adults with type 2 diabetes mellitus: results from the United States National Health and Nutrition Examination Surveys 2009-2018. Ren Fail 2025; 47:2479573. [PMID: 40125863 PMCID: PMC11934183 DOI: 10.1080/0886022x.2025.2479573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2024] [Revised: 02/15/2025] [Accepted: 03/10/2025] [Indexed: 03/25/2025] Open
Abstract
OBJECTIVE Given the significant impact of diabetic kidney disease (DKD) on morbidity and mortality in patients with type 2 diabetes mellitus (T2DM) and the potential preventive role of dietary factors, particularly dietary fiber, this study aimed to investigate the relationship between dietary fiber intake and the risk of DKD in adults with T2DM. METHODS The medical records and other relevant data from patients with T2DM were retrieved from the United States National Health and Nutrition Examination Surveys (U.S. NHANES) from 2009 to 2018. Multivariate logistic regression and restricted cubic spline (RCS) regression were employed to investigate the relationship between dietary fiber intake and the risk of DKD in adult T2DM patients. RESULTS The study involved 4,520 T2DM patients with a mean age of 59.16 years, consisting of 2,346 male patients (51.9%) and 2,174 female patients (48.1%). The prevalence of T2DM patients with DKD was 37.92% in the overall population. Regression analyses, after adjusting for confounders, showed that dietary fiber intake was negatively correlated with the prevalence of DKD. RCS analysis demonstrated a nonlinear negative correlation between the level of dietary fiber intake and the prevalence of DKD, with a threshold inflection point of 13.96 g/day. Subgroup analyses revealed that age, gender, race, smoking status, body mass index, hypertension, diabetes duration, glycosylated hemoglobin, and ACEI/ARB medication use did not significantly affect the negative correlations (p > 0.05). CONCLUSIONS Dietary fiber intake was negatively correlated with the prevalence of DKD in T2DM patients.
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Affiliation(s)
- Yuanyuan Luo
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China
| | - Ruojing Bai
- Department of Geriatric Medicine, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
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2
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Martínez-Ruiz M, Robeson MS, Piccolo BD. Fueling the fire: colonocyte metabolism and its effect on the colonic epithelia. Crit Rev Food Sci Nutr 2025:1-20. [PMID: 40405692 DOI: 10.1080/10408398.2025.2507701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2025]
Abstract
Colonic permeability is a major consequence of dysbiosis and diseases affecting the colon, further contributing to inflammation and extraintestinal diseases. Recent advances have shed light on the association between colonocyte energy utilization and the mechanisms that support epithelial function and homeostasis. One unifying theme is the induction of colonocyte hypoxia, driven by the aerobic oxidation of microbial-derived butyrate, as a critical factor promoting multiple cellular processes that support intestinal barrier function, mucus secretion, and the maintenance of synergistic luminal microbes. Particular attention will be focused on experimental evidence supporting beta-oxidation via activation of peroxisome proliferators-activated receptor-γ (PPAR) and upregulation and activation of processes that promote barrier function by hypoxia-inducible factor (HIF) signaling. Growing evidence suggests that colonocyte energy utilization is tightly regulated and switches between beta-oxidation of butyrate and anaerobic glycolysis, the latter being associated with several disease states. As most of the primary literature associated with colonocyte energy utilization has focused on adult models, evidence supporting butyrate oxidation in the neonatal gut is lacking. Thus, this review details the current state of knowledge linking colonocyte substrate utilization to mechanisms supporting gut health, but also highlights the counterindications of colonic butyrate availability and utilization in developmental periods.
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Affiliation(s)
- Manuel Martínez-Ruiz
- USDA-ARS Arkansas Children's Nutrition Center, Little Rock, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Michael S Robeson
- Department of Biomedical Informatics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Brian D Piccolo
- USDA-ARS Arkansas Children's Nutrition Center, Little Rock, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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3
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Li M, Li W, Kang M, Quan W, Qiu G, Tao T, Li C, Zhu S, Lu B, Liu Z. Soluble Dietary Fiber from Fermentation of Tea Residues by Eurotium cristatum and the Effects on DSS-Induced Ulcerative Colitis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2025. [PMID: 40388219 DOI: 10.1021/acs.jafc.5c03189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2025]
Abstract
Tea residues are rich in dietary fiber, most of which are insoluble dietary fiber (IDF). However, soluble dietary fiber (SDF) is reported to show a better health-promoting effect. In this paper, the Eurotium cristatum (E. cristatum) fermentation method was employed to prepare SDF from tea residues. The results showed that the yield of SDF in fermented SDF (FSDF) was higher than that in unfermented SDF (USDF). Meanwhile, an increased proportion of galactose and a looser microstructure were observed in FSDF. In addition, FSDF has more advantages than USDF in relieving colitis symptoms. FSDF is more effective in reversing weight loss, colon shortening, and tissue damage. Meanwhile, it has a better regulatory effect on the level of inflammatory factors (IL-6, IL-1β, TNF-α, and IL-10) and oxidative stress (CAT, T-SOD, and MDA). FSDF treatment more effectively restored gut microbiota composition toward normal parameters compared to USDF by upregulating Akkermanisa and Lachospiracae_NK4A136_group and downregulating Helicobacter and Alisitipes. In conclusion, fermentation treatment with E. cristatum contributed to the preparation efficiency and bioactive effect of SDF from tea residues. This study will provide a theoretical basis for the development and utilization of tea residues.
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Affiliation(s)
- Maiquan Li
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
- Key Laboratory for Quality Evaluation and Health Benefit of Agro-Products, Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Wenlan Li
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Manjun Kang
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Wei Quan
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Guoping Qiu
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Tiantian Tao
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Cui Li
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Shujie Zhu
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
| | - Baiyi Lu
- Key Laboratory for Quality Evaluation and Health Benefit of Agro-Products, Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Zhonghua Liu
- College of Food Science and Technology, Key Laboratory of Tea Science of Ministry of Education, National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China
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4
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Florio M, Crudele L, Sallustio F, Moschetta A, Cariello M, Gadaleta RM. Disentangling the nutrition-microbiota liaison in inflammatory bowel disease. Mol Aspects Med 2025; 102:101349. [PMID: 39922085 DOI: 10.1016/j.mam.2025.101349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 10/24/2024] [Accepted: 01/24/2025] [Indexed: 02/10/2025]
Abstract
Inflammatory Bowel Disease (IBD) is a set of chronic intestinal inflammatory disorders affecting the gastrointestinal (GI) tract. Beside compromised intestinal barrier function and immune hyperactivation, a common IBD feature is dysbiosis, characterized by a reduction of some strains of Firmicutes, Bacteroidetes, Actinobacteria and an increase in Proteobacteria and pathobionts. Emerging evidence points to diet and nutrition-dependent gut microbiota (GM) modulation, as etiopathogenetic factors and adjuvant therapies in IBD. Currently, no nutritional regimen shows universal efficacy, and advice are controversial, especially those involving restrictive diets potentially resulting in malnutrition. This review provides an overview of the role of macronutrients, dietary protocols and GM modulation in IBD patients. A Western-like diet contributes to an aberrant mucosal immune response to commensal bacteria and impairment of the intestinal barrier integrity, thereby triggering intestinal inflammation. Conversely, a Mediterranean nutritional pattern appears to be one of the most beneficial dietetic regimens able to restore the host intestinal physiology, by promoting eubiosis and preserving the intestinal barrier and immune function, which in turn create a virtuous cycle improving patient adherence to the pattern. Further clinical studies are warranted, to corroborate current IBD nutritional guidelines, and develop more accurate models to move forward precision nutrition and ameliorate patients' quality of life.
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Affiliation(s)
- Marilina Florio
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70124, Bari, Italy
| | - Lucilla Crudele
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70124, Bari, Italy; INBB National Institute for Biostructure and Biosystems, Viale delle Medaglie D'Oro 305, 00136, Rome, Italy
| | - Fabio Sallustio
- Department of Precision and Regenerative Medicine and Ionian Area, University of Bari Aldo Moro, Piazza Giulio Cesare n. 11, 70124, Bari, Italy
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70124, Bari, Italy; INBB National Institute for Biostructure and Biosystems, Viale delle Medaglie D'Oro 305, 00136, Rome, Italy.
| | - Marica Cariello
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70124, Bari, Italy; INBB National Institute for Biostructure and Biosystems, Viale delle Medaglie D'Oro 305, 00136, Rome, Italy.
| | - Raffaella M Gadaleta
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70124, Bari, Italy; INBB National Institute for Biostructure and Biosystems, Viale delle Medaglie D'Oro 305, 00136, Rome, Italy.
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Wu T, Cheng H, Zhuang J, Liu X, Ouyang Z, Qian R. Risk factors for inflammatory bowel disease: an umbrella review. Front Cell Infect Microbiol 2025; 14:1410506. [PMID: 39926114 PMCID: PMC11802543 DOI: 10.3389/fcimb.2024.1410506] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 11/21/2024] [Indexed: 02/11/2025] Open
Abstract
Introduction Inflammatory bowel disease (IBD) represents a cluster of chronic idiopathic inflammatory disorders situated at the nexus of intricate interplays. The primary aim of the present investigation is to perform an umbrella review of metaanalyses, systematically offering a comprehensive overview of the evidence concerning risk factors for IBD. Methods To achieve this, we searched reputable databases, including PubMed, Embase, Web of Science, and the Cochrane Database of Systematic Reviews, from inception through April 2023. Two authors independently assessed the methodological quality of each metaanalysis using the AMSTAR tool and adhered to evidence classification criteria. Results In total, we extracted 191 unique risk factors in meta-analyses, including 92 significantly associated risk factors. The top ten risk factors were human cytomegalovirus (HCMV) infection, IBD family history, periodontal disease, poliomyelitis, campylobacter species infection, hidradenitis suppurativa, psoriasis, use of proton pump inhibitors, chronic obstructive pulmonary disease, and western dietary pattern. Discussion In conclusion, this umbrella review extracted 62 risk factors and 30 protective factors, most of which were related to underlying diseases, personal lifestyle and environmental factors. The findings in this paper help to develop better prevention and treatment measures to reduce the incidence of IBD, delay its progression, and reduce the burden of IBD-related disease worldwide. Systematic review registration https://www.crd.york.ac.uk/PROSPERO/, identifier CRD42023417175.
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Affiliation(s)
- Tingping Wu
- Shenzhen Bao'an Chinese Medicine Hospital, The Seventh Clinical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Honghui Cheng
- Shenzhen Bao'an Chinese Medicine Hospital, The Seventh Clinical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Jiamei Zhuang
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Xianhua Liu
- Shenzhen Bao'an Chinese Medicine Hospital, The Seventh Clinical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Zichen Ouyang
- Shenzhen Bao'an Chinese Medicine Hospital, The Seventh Clinical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Rui Qian
- Shenzhen Bao'an Chinese Medicine Hospital, The Seventh Clinical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
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Xiao Y, Hong X, Neelagar R, Mo H. Age-standardized incidence, prevalence, mortality rates and future projections of autoimmune diseases in China: a systematic analysis based on GBD 2021. Immunol Res 2025; 73:26. [PMID: 39762576 DOI: 10.1007/s12026-024-09591-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2024] [Accepted: 12/27/2024] [Indexed: 02/04/2025]
Abstract
This study assessed trends in age-standardized incidence (ASIR), prevalence (ASPR), and mortality rates (ASMR) per 100,000 population for asthma, Type 1 Diabetes Mellitus (T1DM), Inflammatory Bowel Disease (IBD), Multiple Sclerosis (MS), Psoriasis, and Rheumatoid Arthritis (RA) in China from 1990 to 2021 and projected ASIR trends through 2046. Data were obtained from the Global Burden of Disease (GBD) 2021 study. Trends in ASIR, ASPR, and ASMR were analyzed using Joinpoint regression to calculate annual percentage change (APC) and average APC (AAPC). Bayesian age-period-cohort (BAPC) modeling was applied to project future ASIR trends. In 2021, asthma had the highest ASIR (364.17/100,000), followed by psoriasis (59.70/100,000) and RA (13.70/100,000), while MS (0.16/100,000) and IBD (1.40/100,000) were the least common. Asthma exhibited significant declines in ASIR (-1.23% AAPC), ASPR (-1.49%), and ASMR (-4.4%). Conversely, T1DM showed rising ASIR (+ 1.16%) and ASPR (+ 1.15%) alongside declining ASMR (-2.62%). Psoriasis (+ 0.74%) and IBD (+ 2.09%) also showed rising ASIR. Gender differences were notable, with greater T1DM ASIR increases in males and more significant asthma improvements in females. By 2046, the ASIR of T1DM, psoriasis, and RA is projected to reach 5.8, 80.9, and 15.54 per 100,000, respectively, while asthma is expected to decline to 330.98 per 100,000. The rising ASIR and ASPR for most autoimmune diseases in China contrast with declining ASMR, highlighting the dual challenge of managing increasing disease burdens while sustaining reductions in mortality. Targeted prevention and management strategies are essential to address these evolving public health needs.
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Affiliation(s)
- Yanhua Xiao
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xuezhi Hong
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Ranjana Neelagar
- Hiller Research Unit, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, Germany
| | - Hanyou Mo
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
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7
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Traynard V. Adjunct Therapies to Standard Care for IBS and IBD Patients: Digestive Symptoms Improvement and Quality of Life Optimization. Nutrients 2024; 16:3927. [PMID: 39599713 PMCID: PMC11597149 DOI: 10.3390/nu16223927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2024] [Revised: 11/13/2024] [Accepted: 11/13/2024] [Indexed: 11/29/2024] Open
Abstract
Background: The prevalence of both inflammatory bowel diseases (IBD) and Irritable Bowel Syndrome (IBS) is increasing, with persistent digestive symptoms, an altered quality of life, and higher rates of anxiety, chronic fatigue, and sleep trouble than the general population. Methods: This scoping review will analyze the latest clinical practice recommendations and clinical studies on non-pharmaceutical interventions such as diet adaptations, physical activity, cognitive behavioral therapies, and medical nutrition therapies such as probiotics, soluble fibers, chitin-glucan, and micronutrients for digestive symptoms relief, quality of life improvement and nutritional deficiencies correction in IBS and IBD patients. The objective is to help healthcare practitioners and dietitians to build personalized care program for IBD and IBS patients. Results: Mediterranean diet, physical activity, cognitive behavioral therapies and medical nutrition therapies such as selected probiotics, soluble fibers, chitin glucan, peppermint oil and micronutrients are effective as adjunct therapies. Conclusions: These adjunct therapies may help to reduce persistent digestive symptoms, correct nutritional deficiencies and improve quality of life of IBS and IBD patients.
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Affiliation(s)
- Veronique Traynard
- RNI-Product-Life Group, RNI Conseil, 17 Rue des 2 Haies, 49100 Angers, France
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8
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Ajay A, Gaur SS, Shams R, Dash KK, Mukarram SA, Kovács B. Chickpeas and gut microbiome: Functional food implications for health. Heliyon 2024; 10:e39314. [PMID: 39498070 PMCID: PMC11532829 DOI: 10.1016/j.heliyon.2024.e39314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Revised: 10/03/2024] [Accepted: 10/11/2024] [Indexed: 11/07/2024] Open
Abstract
Chickpea is considered a rich source of nutrients, especially protein and dietary fibre. Besides, chickpea has potential benefits for the maintenance of gut health by improving intestinal integrity and serving as a source of energy for the gut microbiota. Moreover, chickpea consumption has been found to possess anti-cancer, anti-inflammatory, and antioxidant activity. On undergoing certain treatments like soaking, dehulling, roasting, and germination, the anti-nutritional profile of chickpeas can be reduced. Observing these benefits, this review explores the impact of chickpea and its components on maintaining gut health, emphasizing various benefits. Besides, the paper comprehensively covers the nutritional composition of chickpeas and factors influencing the bioavailability of its components concerning gut health. Additionally, it outlines the mechanisms through which chickpeas influence gastrointestinal health, providing valuable insights into complex processes and potential therapeutic applications. Furthermore, the review identifies contributions that can guide future research, encouraging further exploration of chickpeas' role in gut health and the development of interventions. As a result of the presented review, chickpeas can be used as an affordable source of food, which is nutritionally stable and prevents gastrointestinal diseases.
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Affiliation(s)
- Aswani Ajay
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara, Punjab, India
| | - Supriya Singh Gaur
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara, Punjab, India
| | - Rafeeya Shams
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara, Punjab, India
| | - Kshirod Kumar Dash
- Department of Food Processing Technology, Ghani Khan Choudhury Institute of Engineering and Technology, Malda, West Bengal, India
| | - Shaikh Ayaz Mukarram
- Faculty of Agriculture, Food Science and Environmental Management Institute of Food Science, University of Debrecen, Debrecen, 4032, Hungary
| | - Béla Kovács
- Faculty of Agriculture, Food Science and Environmental Management Institute of Food Science, University of Debrecen, Debrecen, 4032, Hungary
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Agista AZ, Chien YS, Koseki T, Nagaoka H, Ohnuma T, Ohsaki Y, Yeh CL, Yang SC, Ardiansyah, Budijanto S, Komai M, Shirakawa H. Investigation of Rhizopus oligosporus Metabolites in Fermented Wheat Bran and Its Bio Function in Alleviating Colitis in Mice Model. Metabolites 2024; 14:359. [PMID: 39057682 PMCID: PMC11278778 DOI: 10.3390/metabo14070359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/12/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Wheat bran (WB) is a low-value by-product of the wheat milling industry. Solid-state fermentation with Rhizopus oligosporus is performed to improve WB's nutritional quality (RH). Twenty-five mice (11-week-old C57BL/6N male mice) were divided into three groups. The first group was fed a control diet (n = 8), the second group a 10% WB-supplemented diet (n = 8), and the last group had a 10% RH-supplemented diet (n = 9). The diet treatment was administered for 4 days before dextran sodium sulfate (DSS, 3% in drinking water) was administered for 9 days. RH supplementation prevented bodyweight loss and reduced the disease activity index in mice. An increase in the level of SCFAs in mouse intestines was detected post-RH supplementation, suggesting that SCFAs might have contributed to its anti-colitis effect. Metabolome analysis was conducted to explore other bioactive compounds in RH. R. oligosporus fermentation significantly increased the amounts of ergothioneine, arginine, branched-chain amino acids, and adenosine in wheat bran. All of these compounds are known to have antioxidant and anti-inflammatory capacities. These bioactive compounds might also have contributed to the RH's ability to ameliorate DSS-induced colitis.
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Affiliation(s)
- Afifah Zahra Agista
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
| | - Yu-Shan Chien
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
| | - Takuya Koseki
- Faculty of Agriculture, Yamagata University, Tsuruoka 997-8555, Japan
| | - Hazuki Nagaoka
- Faculty of Agriculture, Yamagata University, Tsuruoka 997-8555, Japan
| | - Takuto Ohnuma
- Faculty of Agriculture, Yamagata University, Tsuruoka 997-8555, Japan
| | - Yusuke Ohsaki
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
- International Education and Research Center for Food Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
| | - Chiu-Li Yeh
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110301, Taiwan
| | - Suh-Ching Yang
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110301, Taiwan
| | - Ardiansyah
- Department of Food Technology, Universitas Bakrie, Jakarta 12920, Indonesia;
| | - Slamet Budijanto
- Faculty of Agricultural Engineering and Technology, IPB University, Bogor 16680, Indonesia
| | - Michio Komai
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
| | - Hitoshi Shirakawa
- Laboratory of Nutrition, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
- International Education and Research Center for Food Agricultural Immunology, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
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10
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Christensen C, Knudsen A, Arnesen EK, Hatlebakk JG, Sletten IS, Fadnes LT. Diet, Food, and Nutritional Exposures and Inflammatory Bowel Disease or Progression of Disease: an Umbrella Review. Adv Nutr 2024; 15:100219. [PMID: 38599319 PMCID: PMC11063602 DOI: 10.1016/j.advnut.2024.100219] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/15/2024] [Accepted: 04/03/2024] [Indexed: 04/12/2024] Open
Abstract
Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), contributes to substantial morbidity. Understanding the intricate interplay between dietary factors and the incidence and progression of IBD is essential for developing effective preventative and therapeutic strategies. This umbrella review comprehensively synthesizes evidence from systematic reviews and meta-analyses to evaluate these complex associations. Dietary factors associated with an increased incidence and/or progression of IBD include a high intake of red and processed meat, other processed foods, and refined sugars, together with a low intake of vegetables, fruits, and fiber. For most other food groups, the results are mixed or indicate no clear associations with IBD, CD, and UC. Some differences seem to exist between UC and CD and their risk factors, with increased intake of dietary fiber being inversely associated with CD incidence but not clearly associated with UC. Dietary fiber may contribute to maintaining the gut epithelial barrier and reduce inflammation, often through interactions with the gut microbiota. This seems to play an important role in inflammatory mechanisms in the gut and in IBD incidence and progression. Diets low in fermentable saccharides and polyols can alleviate symptom burden, but there are concerns regarding their impact on the gut microbiota and their nutritional adequacy. Mediterranean diets, vegetarian diets, and a diet low in grains, sugars, and lactose (specific carbohydrate diet) are also associated with lower incidence and/or progression of IBD. The associations of dietary patterns are mirrored by inflammatory biomarkers. IBD is typically treated pharmaceutically; however, many patients have a suboptimal response to medical treatments. The findings from this umbrella review could provide evidence for nutritional counseling and be a valuable addition to traditional treatment plans for IBD. This systematic review was registered at PROSPERO as CRD440252.
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Affiliation(s)
- Camilla Christensen
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Andrea Knudsen
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.
| | - Erik K Arnesen
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Jan Gunnar Hatlebakk
- Department of Clinical Medicine, University of Bergen, Bergen, Norway; Norwegian Centre of Competence in Functional Gastrointestinal Disorders, Haukeland University Hospital, Bergen, Norway
| | | | - Lars T Fadnes
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway; Department of Addiction Medicine, Haukeland University Hospital, Bergen, Norway
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11
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Pereira GV, Boudaud M, Wolter M, Alexander C, De Sciscio A, Grant ET, Trindade BC, Pudlo NA, Singh S, Campbell A, Shan M, Zhang L, Yang Q, Willieme S, Kim K, Denike-Duval T, Fuentes J, Bleich A, Schmidt TM, Kennedy L, Lyssiotis CA, Chen GY, Eaton KA, Desai MS, Martens EC. Opposing diet, microbiome, and metabolite mechanisms regulate inflammatory bowel disease in a genetically susceptible host. Cell Host Microbe 2024; 32:527-542.e9. [PMID: 38513656 PMCID: PMC11064055 DOI: 10.1016/j.chom.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 12/18/2023] [Accepted: 03/01/2024] [Indexed: 03/23/2024]
Abstract
Inflammatory bowel diseases (IBDs) are chronic conditions characterized by periods of spontaneous intestinal inflammation and are increasing in industrialized populations. Combined with host genetics, diet and gut bacteria are thought to contribute prominently to IBDs, but mechanisms are still emerging. In mice lacking the IBD-associated cytokine, interleukin-10, we show that a fiber-deprived gut microbiota promotes the deterioration of colonic mucus, leading to lethal colitis. Inflammation starts with the expansion of natural killer cells and altered immunoglobulin-A coating of some bacteria. Lethal colitis is then driven by Th1 immune responses to increased activities of mucin-degrading bacteria that cause inflammation first in regions with thinner mucus. A fiber-free exclusive enteral nutrition diet also induces mucus erosion but inhibits inflammation by simultaneously increasing an anti-inflammatory bacterial metabolite, isobutyrate. Our findings underscore the importance of focusing on microbial functions-not taxa-contributing to IBDs and that some diet-mediated functions can oppose those that promote disease.
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Affiliation(s)
| | - Marie Boudaud
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg
| | - Mathis Wolter
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg; Faculty of Science, Technology and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Celeste Alexander
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Alessandro De Sciscio
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg
| | - Erica T Grant
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg; Faculty of Science, Technology and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | | | - Nicholas A Pudlo
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Shaleni Singh
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Austin Campbell
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Mengrou Shan
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI, USA
| | - Li Zhang
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI, USA
| | - Qinnan Yang
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Stéphanie Willieme
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg
| | - Kwi Kim
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Trisha Denike-Duval
- Unit for Laboratory Animal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Jaime Fuentes
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - André Bleich
- Institute for Laboratory Animal Science, Hanover Medical School, Hanover, Germany
| | - Thomas M Schmidt
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA; Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Lucy Kennedy
- Unit for Laboratory Animal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Costas A Lyssiotis
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA; Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI, USA
| | - Grace Y Chen
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Kathryn A Eaton
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Mahesh S Desai
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur-Alzette, Luxembourg; Odense Research Center for Anaphylaxis, Department of Dermatology and Allergy Center, Odense University Hospital, University of Southern Denmark, Odense, Denmark.
| | - Eric C Martens
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA.
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12
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Calvete-Torre I, Sabater C, Cantabrana B, Margolles A, Sánchez M, Ruiz L. Gut microbiota modulation and effects of a diet enriched in apple pomace on inflammation in a DSS-induced colitis mouse model. Food Funct 2024; 15:2314-2326. [PMID: 38323473 DOI: 10.1039/d3fo04277d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Certain types of soluble dietary fibre, such as pectin and pectic oligosaccharides from different sources, have demonstrated protective effects against inflammation in DSS-induced colitis mouse models. In this work, we have evaluated the impact of a diet enriched in apple pomace (AP-diet), an agricultural by-product with a significant content of pectin and that previously demonstrated prebiotic properties in human fecal batch fermentation models, on the gut microbiota composition, intestinal damage and inflammation markers in a DSS-induced colitis model. We found that the apple pomace enriched diet (AP-diet), providing a significant amount of pectin with demonstrated prebiotic properties, was associated with a slower increase in the disease activity index, translating into better clinical symptomatology of the animals. Histological damage scoring confirmed less severe damage in those animals receiving an AP-diet before and during the DSS administration period. Some serum inflammatory markers, such as TNFα, also demonstrated lower levels in the group receiving the AP-diet, compared to the control diet. AP-diet administration is also associated with the modulation of key taxa in the colonic microbiota of animals, such as some Lachnospiraceae genera and Ruminococcus species, including commensal short chain fatty acid producers that could play a role in attenuating inflammation at the intestinal level.
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Affiliation(s)
- Inés Calvete-Torre
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias-Consejo Superior de Investigaciones Científicas (IPLA-CSIC), Paseo Río Linares s/n, 33300, Villaviciosa, Asturias, Spain.
- Functionality and Ecology of Beneficial Microbes (MicroHealth) Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Carlos Sabater
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias-Consejo Superior de Investigaciones Científicas (IPLA-CSIC), Paseo Río Linares s/n, 33300, Villaviciosa, Asturias, Spain.
- Functionality and Ecology of Beneficial Microbes (MicroHealth) Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Begoña Cantabrana
- Farmacología, Departamento de Medicina, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Pharmacology of Therapeutic Targets Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Abelardo Margolles
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias-Consejo Superior de Investigaciones Científicas (IPLA-CSIC), Paseo Río Linares s/n, 33300, Villaviciosa, Asturias, Spain.
- Functionality and Ecology of Beneficial Microbes (MicroHealth) Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Manuel Sánchez
- Farmacología, Departamento de Medicina, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Pharmacology of Therapeutic Targets Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Lorena Ruiz
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias-Consejo Superior de Investigaciones Científicas (IPLA-CSIC), Paseo Río Linares s/n, 33300, Villaviciosa, Asturias, Spain.
- Functionality and Ecology of Beneficial Microbes (MicroHealth) Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
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13
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Tian QB, Chen SJ, Xiao LJ, Xie JQ, Zhao HB, Zhang X. Potential effects of nutrition-induced alteration of gut microbiota on inflammatory bowel disease: A review. J Dig Dis 2024; 25:78-90. [PMID: 38450936 DOI: 10.1111/1751-2980.13256] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 01/27/2024] [Accepted: 02/06/2024] [Indexed: 03/08/2024]
Abstract
Inflammatory bowel disease (IBD), mainly comprising ulcerative colitis and Crohn's disease, is a group of gradually progressive diseases bringing significant mental anguish and imposes serious economic burdens. Interplay of genetic, environmental, and immunological factors have been implicated in its pathogenesis. Nutrients, as crucial environmental determinants, mainly encompassing carbohydrates, fats, proteins, and micronutrients, are closely related to the pathogenesis and development of IBD. Nutrition is essential for maintaining the dynamic balance of intestinal eco-environments to ensure intestinal barrier and immune homeostasis, while this balance can be disrupted easily by maladjusted nutrition. Research has firmly established that nutrition has the potential to shape the composition and function of gut microbiota to affect the disease course. Unhealthy diet and eating disorders lead to gut microbiota dysbiosis and further destroy the function of intestinal barrier such as the disruption of membrane integrity and increased permeability, thereby triggering intestinal inflammation. Notably, appropriate nutritional interventions, such as the Mediterranean diet, can positively modulate intestinal microecology, which may provide a promising strategy for future IBD prevention. In this review, we provide insights into the interplay between nutrition and gut microbiota and its effects on IBD and present some previously overlooked lines of evidence regarding the role of derived metabolites in IBD processes, such as trimethylamine N-oxide and imidazole propionate. Furthermore, we provide some insights into reducing the risk of onset and exacerbation of IBD by modifying nutrition and discuss several outstanding challenges and opportunities for future study.
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Affiliation(s)
- Qi Bai Tian
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, China
| | - Shui Jiao Chen
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Li Jun Xiao
- Guangdong Corps Hospital of Chinese People's Armed Police Forces, Guangzhou, Guangdong Province, China
| | - Jia Qi Xie
- Hunan Food and Drug Vocational College, Changsha, Hunan Province, China
| | - Hong Bo Zhao
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan Province, China
| | - Xian Zhang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, Hunan Province, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Central South University, Changsha, Hunan Province, China
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14
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Carlsen H, Pajari AM. Dietary fiber - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2023; 67:9979. [PMID: 37920675 PMCID: PMC10619389 DOI: 10.29219/fnr.v67.9979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 08/27/2023] [Accepted: 08/30/2023] [Indexed: 11/04/2023] Open
Abstract
Dietary fiber is a term crudely defined as carbohydrates (CHOs) that escape digestion and uptake in the small intestine. Lignin, which is not a CHO, is also a part of the dietary fiber definition. Dietary fibers come in different sizes and forms, with a variety of combinations of monomeric units. Health authorities worldwide have for many years recommended a diet rich in dietary fibers based on consistent findings that dietary fibers are associated with reduced incidences of major non-communicable diseases, including obesity, type 2 diabetes, cardiovascular disease, and colorectal cancer. Most fibers come from common edible foods from the plant kingdom, but fibers are also found in food additives, supplements, and breast milk. The recommended intake in Nordic Nutrition Recommendations 2012 (NNR2012) is 25 g/d for women and 35 g/d for men, whereas the actual intake is significantly lower, ranging from 16 g/d to 22 g/d in women and 18 g/d to 26 g/d in men. New studies since NNR2012 confirm the current view that dietary fiber is beneficial for health, advocating intakes of at least 25 g/day.
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Affiliation(s)
- Harald Carlsen
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Anne-Maria Pajari
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
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15
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Deng M, Dan L, Ye S, Chen X, Fu T, Wang X, Chen J. Higher dietary fibre intake is associated with lower risk of inflammatory bowel disease: prospective cohort study. Aliment Pharmacol Ther 2023; 58:516-525. [PMID: 37464899 DOI: 10.1111/apt.17649] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/16/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Limited prospective studies that have examined the association of dietary fibre with IBD have provided inconsistent evidence. AIM To examine any associations between dietary fibre intake and subsequent incidence of IBD, Crohn's disease (CD) and ulcerative colitis (UC) METHODS: We conducted a prospective cohort study of 470,669 participants from the UK Biobank and estimated dietary fibre intake from a valid food frequency questionnaire at baseline. Incident IBD was ascertained from primary care data and inpatient data. Cox proportional hazard models were used to estimate the hazard ratios (HRs) and 95% confidence intervals (CIs) for associations between dietary fibre intake and the risk of IBD, CD and UC. RESULTS During an average follow-up of 12.1 years, we ascertained 1473 incident IBD cases, including 543 cases of CD and 939 cases of UC. Comparing the lowest quintiles, an inverse association was observed between dietary fibre intake and risk of IBD (HR 0.74, 95% CI 0.58-0.93, p = 0.011) and CD (HR 0.48, 95% CI 0.32-0.72, p < 0.001), but not UC (HR 0.92, 95% CI 0.69-1.24, p = 0.595). For specified sources, dietary fibre intake from fruit and bread decreased the risk of CD, while dietary fibre intake from cereal decreased the risk of UC. CONCLUSIONS Higher consumption of dietary fibre was associated with a lower risk of IBD and CD, but not UC. Our findings support current recommendations to increase the intake of dietary fibre.
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Affiliation(s)
- Minzi Deng
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Lintao Dan
- Center for Global Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuyu Ye
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xuejie Chen
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Tian Fu
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoyan Wang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jie Chen
- Center for Global Health, Zhejiang University School of Medicine, Hangzhou, China
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16
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Jadhav A, Bajaj A, Xiao Y, Markandey M, Ahuja V, Kashyap PC. Role of Diet-Microbiome Interaction in Gastrointestinal Disorders and Strategies to Modulate Them with Microbiome-Targeted Therapies. Annu Rev Nutr 2023; 43:355-383. [PMID: 37380178 PMCID: PMC10577587 DOI: 10.1146/annurev-nutr-061121-094908] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2023]
Abstract
Diet is an important determinant of health and consequently is often implicated in the development of disease, particularly gastrointestinal (GI) diseases, given the high prevalence of meal-related symptoms. The mechanisms underlying diet-driven pathophysiology are not well understood, but recent studies suggest that gut microbiota may mediate the effect of diet on GI physiology. In this review, we focus primarily on two distinct GI diseases where the role of diet has been best studied: irritable bowel syndrome and inflammatory bowel disease. We discuss how the concurrent and sequential utilization of dietary nutrients by the host and gut microbiota determines the eventual bioactive metabolite profiles in the gut and the biological effect of these metabolites on GI physiology. We highlight several concepts that can be gleaned from these findings, such as how distinct effects of an individual metabolite can influence diverse GI diseases, the effect of similar dietary interventions on multiple disease states, and the need for extensive phenotyping and data collection to help make personalized diet recommendations.
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Affiliation(s)
- Ajita Jadhav
- Enteric Neuroscience Program, Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA;
| | - Aditya Bajaj
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India;
| | - Yang Xiao
- Enteric Neuroscience Program, Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA;
| | - Manasvini Markandey
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India;
| | - Vineet Ahuja
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India;
| | - Purna C Kashyap
- Enteric Neuroscience Program, Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA;
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17
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Noble AJ, Nowak JK, Adams AT, Uhlig HH, Satsangi J. Defining Interactions Between the Genome, Epigenome, and the Environment in Inflammatory Bowel Disease: Progress and Prospects. Gastroenterology 2023; 165:44-60.e2. [PMID: 37062395 DOI: 10.1053/j.gastro.2023.03.238] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 03/08/2023] [Accepted: 03/24/2023] [Indexed: 04/18/2023]
Abstract
Recent advances in our understanding of the pathogenesis of inflammatory bowel disease (IBD) have highlighted the complex interplay between the genome, the epigenome, and the environment. Despite the exciting advances in genomics that have enabled the identification of over 200 susceptibility loci, these only account for a small proportion of the disease variance and the estimated heritability in IBD. It is likely that gene-environment (GxE) interactions contribute to "missing heritability" and these may act through epigenetic mechanisms. Several environmental factors, such as the microbiome, nutrition, and tobacco smoking, induce alterations in the epigenome of children and adults, which may impact disease susceptibility. Other mechanisms for GxE interactions are also directly pertinent in early life. We discuss a model in which environmental factors imprint disease risk in a window of susceptibility during infancy that may contribute to later disease onset, whereas other elements of the exposome act later in life and contribute directly to the pathogenesis and course of the disease. Understanding the mechanisms underlying GxE interactions may provide the basis for new therapeutic targets or preventative strategies for IBD.
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Affiliation(s)
- Alexandra J Noble
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom.
| | - Jan K Nowak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Alex T Adams
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Biomedical Research Center, University of Oxford, Oxford, United Kingdom
| | - Holm H Uhlig
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Department of Pediatrics, University of Oxford, Oxford, United Kingdom; Biomedical Research Center, University of Oxford, Oxford, United Kingdom
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Experimental Medicine, University of Oxford, Oxford, United Kingdom; Biomedical Research Center, University of Oxford, Oxford, United Kingdom
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18
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Lin S, Zhu N, Zhang S. Associations of dietary fiber intake with chronic inflammatory airway diseases and mortality in adults: a population-based study. Front Public Health 2023; 11:1167167. [PMID: 37304115 PMCID: PMC10250611 DOI: 10.3389/fpubh.2023.1167167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/05/2023] [Indexed: 06/13/2023] Open
Abstract
Objective The objective of this study was to investigate the potential association between dietary fiber intakes and the prevalence of chronic inflammatory airway diseases (CIAD), as well as mortality in participants with CIAD. Methods Data was collected from the National Health and Nutrition Examination Survey (NHANES) 2013-2018, with dietary fiber intakes being calculated as the average of two 24-h dietary reviews and divided into four groups. CIAD included self-reported asthma, chronic bronchitis, and chronic obstructive pulmonary disease (COPD). Through December 31, 2019, mortality was identified from the National Death Index. In cross-sectional studies, multiple logistic regressions were used to assess dietary fiber intakes associated with the prevalence of total and specific CIAD. Dose-response relationships were tested using restricted cubic spline regression. In prospective cohort studies, cumulative survival rates were calculated using the Kaplan-Meier method and compared using log-rank tests. Multiple COX regressions were used to assess dietary fiber intakes associated with mortality in participants with CIAD. Results A total of 12,276 adults were included in this analysis. The participants had a mean age of 50.70 ± 17.4 years and was 47.2% male. The prevalence of CIAD, asthma, chronic bronchitis, and COPD were 20.1, 15.2, 6.3, and 4.2%, respectively. The median daily consumption of dietary fiber was 15.1 [IQR 10.5, 21.1] g. After adjusting for all confounding factors, linear and negative associations were observed between dietary fiber intakes and the prevalence of total CIAD (OR = 0.68 [0.58-0.80]), asthma (OR = 0.71 [0.60-0.85]), chronic bronchitis (OR = 0.57 [0.43-0.74]) and COPD (OR = 0.51 [0.34-0.74]). In addition, the fourth quartile of dietary fiber intake levels remained significantly associated with a decreased risk of all-cause mortality (HR = 0.47 [0.26-0.83]) compared to the first quartile. Conclusion Dietary fiber intakes were found to be correlated with the prevalence of CIAD, and higher dietary fiber intakes were associated with a reduced mortality in participants with CIAD.
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Affiliation(s)
- Shanhong Lin
- Department of Ultrasound, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Ning Zhu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Shengmin Zhang
- Department of Ultrasound, The First Affiliated Hospital of Ningbo University, Ningbo, China
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Lu K, Liu L, Lin P, Dong X, Ni L, Che H, Xie W. Saccharina japonica Ethanol Extract Ameliorates Dextran Sulfate Sodium-Induced Colitis via Reshaping Intestinal Microenvironment and Alleviating Inflammatory Response. Foods 2023; 12:foods12081671. [PMID: 37107466 PMCID: PMC10138103 DOI: 10.3390/foods12081671] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/24/2023] [Accepted: 03/30/2023] [Indexed: 04/29/2023] Open
Abstract
Saccharina japonica belongs to brown macro-alga with various potential health benefits; its antioxidant and anti-inflammatory activities indicate the potential to improve inflammatory bowel diseases. Here, the potential anti-colitis effect of Saccharina japonica extract (SJE) was evaluated on dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) in C57B/L6 mice. The mice were treated with mesalazine (MES) and various doses of SJE by gavage for 14 days. Results showed that both MES and SJE treatment decreased the disease activity index scores, relieving the short colon. SJE increased the occludin and zonula occludens-1 levels, and the beneficial effects were better than MES. MES and SJE exerted similar effects in decreasing inflammatory cytokines and oxidative stress. Moreover, SJE reshaped the intestinal microbiota by increasing α-diversity and reducing plenty of harmful bacteria. Dietary SJE was significant to relieving the reduction in short-chain fatty acids. The results revealed the protective effect of SJE on colitis and potential mechanisms, which is important for the rational use of SJE in UC prevention.
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Affiliation(s)
- Kuan Lu
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Qingdao Keda Future Biotechnology Co., Ltd., Qingdao 266042, China
| | - Lin Liu
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Pengcheng Lin
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xiufang Dong
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Qingdao Special Food Research Institute, Qingdao 266109, China
- Linyi Jinluo Wenrui Food Co., Linyi 276007, China
| | - Laixue Ni
- Linyi Jinluo Wenrui Food Co., Linyi 276007, China
| | - Hongxia Che
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Qingdao Special Food Research Institute, Qingdao 266109, China
| | - Wancui Xie
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Qingdao Keda Future Biotechnology Co., Ltd., Qingdao 266042, China
- Qingdao Special Food Research Institute, Qingdao 266109, China
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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Saadh MJ, Pal RS, Arias-Gonzáles JL, Orosco Gavilán JC, JC D, Mohany M, Al-Rejaie SS, Bahrami A, Kadham MJ, Amin AH, Georgia H. A Mendelian Randomization Analysis Investigates Causal Associations between Inflammatory Bowel Diseases and Variable Risk Factors. Nutrients 2023; 15:1202. [PMID: 36904201 PMCID: PMC10005338 DOI: 10.3390/nu15051202] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023] Open
Abstract
The question of whether variable risk factors and various nutrients are causally related to inflammatory bowel diseases (IBDs) has remained unanswered so far. Thus, this study investigated whether genetically predicted risk factors and nutrients play a function in the occurrence of inflammatory bowel diseases, including ulcerative colitis (UC), non-infective colitis (NIC), and Crohn's disease (CD), using Mendelian randomization (MR) analysis. Utilizing the data of genome-wide association studies (GWASs) with 37 exposure factors, we ran Mendelian randomization analyses based on up to 458,109 participants. Univariable and multivariable MR analyses were conducted to determine causal risk factors for IBD diseases. Genetic predisposition to smoking and appendectomy as well as vegetable and fruit intake, breastfeeding, n-3 PUFAs, n-6 PUFAs, vitamin D, total cholesterol, whole-body fat mass, and physical activity were related to the risk of UC (p < 0.05). The effect of lifestyle behaviors on UC was attenuated after correcting for appendectomy. Genetically driven smoking, alcohol consumption, appendectomy, tonsillectomy, blood calcium, tea intake, autoimmune diseases, type 2 diabetes, cesarean delivery, vitamin D deficiency, and antibiotic exposure increased the risk of CD (p < 0.05), while vegetable and fruit intake, breastfeeding, physical activity, blood zinc, and n-3 PUFAs decreased the risk of CD (p < 0.05). Appendectomy, antibiotics, physical activity, blood zinc, n-3 PUFAs, and vegetable fruit intake remained significant predictors in multivariable MR (p < 0.05). Besides smoking, breastfeeding, alcoholic drinks, vegetable and fruit intake, vitamin D, appendectomy, and n-3 PUFAs were associated with NIC (p < 0.05). Smoking, alcoholic drinks, vegetable and fruit intake, vitamin D, appendectomy, and n-3 PUFAs remained significant predictors in multivariable MR (p < 0.05). Our results provide new and comprehensive evidence demonstrating that there are approving causal effects of various risk factors on IBDs. These findings also supply some suggestions for the treatment and prevention of these diseases.
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Affiliation(s)
- Mohamed J. Saadh
- Faculty of Pharmacy, Middle East University, Amman 11831, Jordan;
- Applied Science Research Center, Applied Science Private University, Amman 11152, Jordan
| | - Rashmi Saxena Pal
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144001, Punjab, India;
| | - José Luis Arias-Gonzáles
- Department of Social Sciences, Faculty of Social Studies, Pontifical University of Peru, San Miguel 15088, Peru;
| | | | - Darshan JC
- Department of Pharmacy Practice, Yenepoya Pharmacy College & Research Centre, Yenepoya Deemed to Be University, Mangalore 575018, Karnataka, India;
| | - Mohamed Mohany
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 55760, Riyadh 1145, Saudi Arabia; (M.M.); (S.S.A.-R.)
| | - Salim S. Al-Rejaie
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 55760, Riyadh 1145, Saudi Arabia; (M.M.); (S.S.A.-R.)
| | - Abolfazl Bahrami
- Biomedical Center for Systems Biology Science Munich, Ludwig Maximilians University, 80333 Munich, Germany
| | | | - Ali H. Amin
- Zoology Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt;
| | - Hrosti Georgia
- Institute of Immunology, Hannover Medical School, 30625 Hannover, Germany
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21
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Haskey N, Gold SL, Faith JJ, Raman M. To Fiber or Not to Fiber: The Swinging Pendulum of Fiber Supplementation in Patients with Inflammatory Bowel Disease. Nutrients 2023; 15:nu15051080. [PMID: 36904081 PMCID: PMC10005525 DOI: 10.3390/nu15051080] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Evidence-based dietary guidance around dietary fiber in inflammatory bowel disease (IBD) has been limited owing to insufficient reproducibility in intervention trials. However, the pendulum has swung because of our increased understanding of the importance of fibers in maintaining a health-associated microbiome. Preliminary evidence suggests that dietary fiber can alter the gut microbiome, improve IBD symptoms, balance inflammation, and enhance health-related quality of life. Therefore, it is now more vital than ever to examine how fiber could be used as a therapeutic strategy to manage and prevent disease relapse. At present, there is limited knowledge about which fibers are optimal and in what form and quantity they should be consumed to benefit patients with IBD. Additionally, individual microbiomes play a strong role in determining the outcomes and necessitate a more personalized nutritional approach to implementing dietary changes, as dietary fiber may not be as benign as once thought in a dysbiotic microbiome. This review describes dietary fibers and their mechanism of action within the microbiome, details novel fiber sources, including resistant starches and polyphenols, and concludes with potential future directions in fiber research, including the move toward precision nutrition.
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Affiliation(s)
- Natasha Haskey
- Department of Biology, The Irving K. Barber Faculty of Science, University of British Columbia—Okanagan, 3187 University Way, Kelowna, BC V1V 1V7, Canada
- Division of Gastroenterology, Cumming School of Medicine, University of Calgary, 6D33 TRW Building, 3280 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
| | - Stephanie L. Gold
- Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, USA
| | - Jeremiah J. Faith
- Precision Immunology Institute and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, USA
| | - Maitreyi Raman
- Division of Gastroenterology, Cumming School of Medicine, University of Calgary, 6D33 TRW Building, 3280 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
- Correspondence:
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22
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Haque A, Ahmad S, Azad ZRAA, Adnan M, Ashraf SA. Incorporating dietary fiber from fruit and vegetable waste in meat products: a systematic approach for sustainable meat processing and improving the functional, nutritional and health attributes. PeerJ 2023; 11:e14977. [PMID: 36890873 PMCID: PMC9988266 DOI: 10.7717/peerj.14977] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/08/2023] [Indexed: 03/06/2023] Open
Abstract
Background Every year, the food business produces a sizeable amount of waste, including the portions of fruits and vegetables that are inedible, and those that have reached a stage where they are no longer suitable for human consumption. These by-products comprise of components such as natural antioxidants (polyphenols, carotenoid etc.), dietary fiber, and other trace elements, which can provide functionality to food. Due to changing lifestyles, there is an increased demand for ready-to-eat products like sausages, salami, and meat patties. In this line, meat products like buffalo meat sausages and patties are also gaining the interest of consumers because of their rich taste. Meat, however, has a high percentage of fat and is totally deprived of dietary fiber, which poses severe health problems like cardiovascular (CV) and gastrointestinal diseases. The health-conscious consumer is becoming increasingly aware of the importance of balancing flavor and nutrition. Therefore, to overcome this problem, several fruit and vegetable wastes from their respective industries can be successfully incorporated into meat products that provide dietary fiber and play the role of natural antioxidants; this will slow down lipid oxidation and increase the shelf-life of meat products. Methodology Extensive literature searches have been performed using various scientific search engines. We collected relevant and informative data from subject-specific and recent literature on sustainable food processing of wasted food products. We also looked into the various applications of waste fruit and vegetable products, including cereals, when they are incorporated into meat and meat products. All relevant searches meeting the criteria were included in this review, and exclusion criteria were also set. Results The pomace and peels of fruits like grapes, pomegranates, cauliflower, sweet lime, and other citrus are some of the most commonly used fruit and vegetable by-products. These vegetable by-products help inhibit oxidation (of both lipids and proteins) and the growth of pathogenic and spoilage bacteria, all without altering the consumer's acceptability of the product on a sensory level. When included in meat products, these by-products have the potential to improve the overall product quality and lengthen its shelf-life under certain circumstances. Conclusion Cost-effective and easily accessible by-products from the fruit and vegetable processing industries can be used in meat products to enhance their quality features (physicochemical, microbial, sensory, and textural aspects) and health benefits. Additionally, this will provides environmental food sustainability by lowering waste disposal and improving the food's functional efficacy.
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Affiliation(s)
- Abdul Haque
- Department of Post-Harvest Engineering and Technology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, Uttar Pardesh, India
| | - Saghir Ahmad
- Department of Post-Harvest Engineering and Technology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, Uttar Pardesh, India
| | - Z R A A Azad
- Department of Post-Harvest Engineering and Technology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, Uttar Pardesh, India
| | - Mohd Adnan
- Department of Biology, College of Science, University of Ha'il, Ha'il, Saudi Arabia
| | - Syed Amir Ashraf
- Department of Clinical Nutrition, College of Applied Medical Sciences, University of Ha'il, Ha'il, Saudi Arabia
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23
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Diets for inflammatory bowel disease: What do we know so far? Eur J Clin Nutr 2022; 76:1222-1233. [PMID: 35064219 DOI: 10.1038/s41430-021-01051-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 11/11/2021] [Accepted: 11/17/2021] [Indexed: 02/06/2023]
Abstract
In recent years, the role of diet in the pathogenesis of inflammatory bowel disease (IBD) has gained great interest within the scientific community. Eating habits from industrialised countries (the so-called western diet or WD) have been associated with a higher incidence of IBD in observational studies, although the dietary factors responsible for the development of the disease are still to be elucidated. Some components of the diet with proinflammatory potential may cause changes in immunity and intestinal microbiota, leading to the inflammatory reaction that causes IBD-related lesions. The quality of available evidence is low, due to methodological issues, such as the lack of intervention studies, small sample size and heterogeneity of studies. For this reason, scientific societies have offered their recommendations using clinical practice guidelines and consensus documents, in order to establish a common criterion in the nutritional treatment of patients with IBD. The objective of this review was to summarise the data published regarding diet in IBD and review the recommendations given by scientific societies.
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24
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Yang AZ, Jostins-Dean L. Environmental variables and genome-environment interactions predicting IBD diagnosis in large UK cohort. Sci Rep 2022; 12:10890. [PMID: 35764673 PMCID: PMC9240024 DOI: 10.1038/s41598-022-13222-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 05/23/2022] [Indexed: 11/29/2022] Open
Abstract
A combination of genetic susceptibility and environmental exposure is thought to cause inflammatory bowel disease (IBD), but the non-genetic component remains poorly characterized. We therefore undertook a search for environmental variables and gene-environment interactions associated with future IBD diagnosis in a large UK cohort. Using self-report and electronic health records, we identified 1946 Crohn's disease (CD) and 3715 ulcerative colitis (UC) patients after quality control in the UK Biobank. Based on prior literature and biological plausibility , we tested 38 candidate environmental variables for association with CD, UC, and overall IBD using Cox proportional hazard regressions. We also tested whether these variables interacted with polygenic risk in predicting disease, following up significant (FDR < 0.05) results with tests for SNP-environment associations. We performed robustness analyses on all significant results. As in previous reports, appendectomy protected against UC, smoking (both current and previous) elevated risk for CD, current smoking protected against UC, and previous smoking imparted a risk for UC. Childhood antibiotic use associated with IBD, as did sun exposure during the winter. Socioeconomic deprivation was conferred a risk for IBD, CD, and UC. We uncovered negative interactions between polygenic risk and previous oral contraceptive use for IBD and UC. Polygenic risk also interacted negatively with previous smoking in predicting UC. There were no individually significant SNP-environment interactions. Thus, for a limited set of environmental variables, there was strong evidence of association with IBD diagnosis in the UK Biobank, and interaction with polygenic risk was minimal.
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Affiliation(s)
| | - Luke Jostins-Dean
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Headington, OX3 7FY, Oxfordshire, UK.
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25
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The Potential Roles of Probiotics, Resistant Starch, and Resistant Proteins in Ameliorating Inflammation during Aging (Inflammaging). Nutrients 2022; 14:nu14040747. [PMID: 35215397 PMCID: PMC8879781 DOI: 10.3390/nu14040747] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/29/2022] [Accepted: 02/07/2022] [Indexed: 12/23/2022] Open
Abstract
Aging is typically accompanied by biological and physiological changes that alter cellular functions. Two of the most predominant phenomena in aging include chronic low-grade inflammation (inflammaging) and changes in the gut microbiota composition (dysbiosis). Although a direct causal relationship has not been established, many studies have reported significant reductions in inflammation during aging through well-maintained gut health and microbial balance. Prebiotics and probiotics are known to support gut health and can be easily incorporated into the daily diet. Unfortunately, few studies specifically focus on their significance in reducing inflammation during aging. Therefore, this review summarizes the scientific evidence of the potential roles of probiotics and two types of prebiotics, resistant starch and resistant proteins, in later age. Studies have demonstrated that the oral consumption of bacteria that may contribute to anti-inflammatory response, such as Bifidobacterium spp., Akkermansia munichipilla, and Faecalis praunitzii, contributes significantly to the suppression of pro-inflammatory markers in elderly humans and aged animals. Colonic fermentation of resistant starch and proteins also demonstrates anti-inflammatory activity owing to the production of butyrate and an improvement in the gut microbiota composition. Collectively, probiotics, resistant starch, and resistant proteins have the potential to promote healthy aging.
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26
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Antoniussen CS, Rasmussen HH, Holst M, Lauridsen C. Reducing Disease Activity of Inflammatory Bowel Disease by Consumption of Plant-Based Foods and Nutrients. Front Nutr 2021; 8:733433. [PMID: 34957174 PMCID: PMC8696360 DOI: 10.3389/fnut.2021.733433] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/07/2021] [Indexed: 01/04/2023] Open
Abstract
Inflammatory bowel disease is a chronic and recurring inflammatory condition of the gastrointestinal tract encompassing ulcerative colitis and Crohn's disease. Although the pathogenesis of inflammatory bowel disease remains to be fully elucidated, environmental factors such as diet are believed to play a pivotal role in the onset and management of inflammatory bowel disease. Diet is thought to play an essential role in intestinal inflammation due to its regulatory effects on the microbiota, gut immune system, and epithelial barrier function. Although the evidence remains insufficient to draw firm conclusions on the role of specific dietary components in gastrointestinal diseases, studies have suggested that a Western diet with high intakes of total fats, omega-6 fatty acids, and meat have been associated with intestinal inflammation and relapse of inflammatory bowel disease. In contrast to a Western diet, plant-based diets often result in a reduced intake of total fats and meats and an increased intake of plant fibers which may contribute to reduced intestinal inflammation. This review critically examines the influence of plant-based dietary components on the clinical disease course of inflammatory bowel disease. Furthermore, this review discusses the benefits and possible limitations of plant-derived dietary components in the treatment of inflammatory bowel disease while addressing the principal type of disease and the anatomic site of inflammation within the gastrointestinal tract. Finally, this review points out important directions for future research on the role of diet in inflammatory bowel disease. A better understanding of the role of diet and intestinal inflammation may pave the way for novel dietary interventions and specific foods- or food supplements, which can support the treatment of inflammatory bowel disease.
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Affiliation(s)
| | - Henrik H Rasmussen
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Department of Gastroenterology, Center for Nutrition and Bowel Disease, Aalborg University Hospital, Aalborg, Denmark
| | - Mette Holst
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Department of Gastroenterology, Center for Nutrition and Bowel Disease, Aalborg University Hospital, Aalborg, Denmark
| | - Charlotte Lauridsen
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Department of Animal Science, Faculty of Technical Sciences, Aarhus University, Foulum, Denmark
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27
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Gkikas K, Logan M, Nichols B, Ijaz UZ, Clark CM, Svolos V, Gervais L, Duncan H, Garrick V, Curtis L, Buchanan E, Cardigan T, Armstrong L, Delahunty C, Flynn DM, Barclay AR, Tayler R, Milling S, Hansen R, Russell RK, Gerasimidis K. Dietary triggers of gut inflammation following exclusive enteral nutrition in children with Crohn's disease: a pilot study. BMC Gastroenterol 2021; 21:454. [PMID: 34861829 PMCID: PMC8642954 DOI: 10.1186/s12876-021-02029-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 11/02/2021] [Indexed: 12/30/2022] Open
Abstract
Background The anti-inflammatory effect of exclusive enteral nutrition on the gut of children with Crohn’s disease is rapidly lost after food reintroduction. This study assessed disease dietary triggers following successful treatment with exclusive enteral nutrition. Methods Nutrient intake, dietary patterns and dietary biomarkers in faeces (gluten immunogenic peptides, undigestible starch, short chain fatty acids) were assessed in 14 children with Crohn’s disease during early food reintroduction, following exclusive enteral nutrition. Groups above (Group A) and below (Group B) the median levels of faecal calprotectin after food reintroduction were assigned for comparative analysis. Results Intakes of fibre, gluten-containing cereals and red and processed meat were significantly higher in Group A than Group B; (median [Q1, Q3], g/day; Fibre: 12.1 [11.2, 19.9] vs. 9.9 [7.6, 12.1], p = 0.03; Red and processed meat: 151 [66.7, 190] vs. 63.3 [21.7, 67], p = 0.02; gluten-containing cereals: 289 [207, 402] vs. 203 [61, 232], p = 0.035). A diet consisting of cereals and meat products was predictive (92% accuracy) of higher faecal calprotectin levels after food reintroduction. In faeces, butyrate levels, expressed as absolute concentration and relative abundance, were higher in Group A than Group B by 28.4 µmol/g (p = 0.015) and 6.4% (p = 0.008), respectively. Levels of gluten immunogenic peptide and starch in faeces did not differ between the two groups. Conclusions This pilot study identified potential dietary triggers of gut inflammation in children with Crohn’s disease after food reintroduction following treatment with exclusive enteral nutrition. Trial registration: Clinical trials.gov registration number: NCT02341248; Clinical trials.gov URL: https://clinicaltrials.gov/ct2/show/NCT02341248 (retrospectively registered). Supplementary Information The online version contains supplementary material available at 10.1186/s12876-021-02029-4.
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Affiliation(s)
- Konstantinos Gkikas
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Michael Logan
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Ben Nichols
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Umer Z Ijaz
- Civil Engineering, School of Engineering, University of Glasgow, Glasgow, UK
| | - Clare M Clark
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Vaios Svolos
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Lisa Gervais
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Hazel Duncan
- Department of Paediatrics, Crosshouse Hospital, Kilmarnock, UK
| | - Vikki Garrick
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Lee Curtis
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Elaine Buchanan
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Tracey Cardigan
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | | | | | - Diana M Flynn
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Andrew R Barclay
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Rachel Tayler
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | - Simon Milling
- Institute for Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Richard Hansen
- Department of Paediatric Gastroenterology, Hepatology and Nutrition, Royal Hospital for Children, Glasgow, UK
| | | | - Konstantinos Gerasimidis
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK.
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28
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Arnak BG, Tarakçi Z. Use of chia (
Salvia hispanica
L.) mucilage powder as a replacer of salep in ice cream production. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | - Zekai Tarakçi
- Department of Food Engineering, Agricultural Faculty Ordu University Ordu Turkey
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29
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Fan L, Lee JH. Enteral feeding and the microbiome in critically ill children: a narrative review. Transl Pediatr 2021; 10:2778-2791. [PMID: 34765500 PMCID: PMC8578772 DOI: 10.21037/tp-20-349] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 04/09/2021] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE This narrative review summarizes our current knowledge on the interplay between enteral nutrition (EN) and gut microbiota in critically ill children, using examples from two commonly encountered diagnoses in the pediatric intensive care unit (PICU): severe sepsis and acute respiratory distress syndrome (ARDS). This review will also highlight potential areas of therapeutic interventions that should be explored in future studies. BACKGROUND Critically ill children display extreme dysbiosis in their gut microbiome. Factors within the PICU that are often associated with dysbiosis include the use of broad-spectrum antibiotics, proton-pump inhibitors (PPIs), intravenous morphine, and fasting. Dysbiosis can potentially lead to adverse clinical outcomes (e.g., nosocomial infection, and prolonged hospitalization). EN may modulate dysbiosis. The gut microbiota is involved in the breaking down of macronutrients, mainly carbohydrates and proteins. Fermentation of undigestible carbohydrate (e.g., inulin and oligosaccharides), and amino acids by large intestine microbiota produces short chain fatty acids (SCFAs). SCFAs serve as the main fuel source for enterocytes and help to maintain healthy gut lining. Changes to selected components of macronutrients can result in alterations in gut microbiome and have potentially beneficial effects in patients in the PICU. METHODS A comprehensive search of the MEDLINE, Cochrane Library and Google Scholar databases was conducted using appropriate MESH terms and keywords. In this narrative review, we provide a summary of current knowledge on effect of EN on gut microbiota in pediatric studies, but also describes animal- and lab-based, as well as adult studies where relevant. CONCLUSIONS The gut microbiome can be altered by dietary modifications and common PICU practices and treatment. Although there are strong associations in restoring eubiosis and improvement in clinical outcomes, proving causality remains challenging. Further microbiome research is needed to provide mechanistic insights into the impact of the ever changing gut microbiome. In the future, new microbiota targeted therapies could potentially be the treatment of challenging PICU conditions and restore homeostasis in these children.
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Affiliation(s)
- Lijia Fan
- Division of Paediatric Critical Care, Department of Paediatrics, Khoo Teck Puat-National University Children's Medical Institute, National University Hospital, Singapore, Singapore
| | - Jan Hau Lee
- Children's Intensive Care Unit, KK Women's and Children's Hospital, Singapore, Singapore.,Duke-NUS Medical School, Singapore, Singapore
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30
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Green CH, Busch RA, Patel JJ. Fiber in the ICU: Should it Be a Regular Part of Feeding? Curr Gastroenterol Rep 2021; 23:14. [PMID: 34338900 DOI: 10.1007/s11894-021-00814-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2021] [Indexed: 12/29/2022]
Abstract
PURPOSE OF REVIEW To highlight the controversy of fiber use in the current critical care nutrition guidelines; review the effect of fiber on the gut microbiota in the critically ill; and examine the data on fiber and outcomes in the intensive care setting. RECENT FINDINGS Fiber is increasingly recognized as a necessary component of colonic health and nutrition support. In critical illness there is a shift toward gut dysbiosis and immune dysregulation. Through fermentation and the generation of short-chain fatty acids, fiber has a role in maintaining intestinal homeostasis, immune function, and supporting commensal bacteria. In contrast to fermentable fiber, recent animal models suggest that non-fermentable fiber can also favorably alter intestinal homeostasis in a mechanism distinct from short chain fatty acids. In the critically ill, RCTs and meta-analyses suggest that soluble and mixed fiber supplemented enteral nutrition can reduce diarrhea and is well tolerated. Based on limited data, there may be benefits in reducing length of hospital stay, certain infections, and glucose metabolism. Nonetheless, the role of fiber enriched nutrition in critically ill patients is controversial as evident in the conflicting guidelines. Despite shortcomings in the literature, soluble and mixed fiber supplemented enteral nutrition is safe and beneficial in most hemodynamically stable intensive care patients. More research is necessary to determine optimal fiber composition.
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Affiliation(s)
- Caitlin H Green
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA.
| | - Rebecca A Busch
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Jayshil J Patel
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
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31
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Nutrición y enfermedad inflamatoria intestinal: posibles mecanismos en la incidencia y manejo. REVISTA MÉDICA CLÍNICA LAS CONDES 2021. [DOI: 10.1016/j.rmclc.2021.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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32
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Guevara M, Salamanca-Fernández E, Miqueleiz E, Gavrila D, Amiano P, Bonet C, Rodríguez-Barranco M, Huerta JM, Bujanda L, Sánchez MJ, Chirlaque MD, Agudo A, Ardanaz E, Castilla J. Inflammatory Potential of the Diet and Incidence of Crohn's Disease and Ulcerative Colitis in the EPIC-Spain Cohort. Nutrients 2021; 13:2201. [PMID: 34206846 PMCID: PMC8308349 DOI: 10.3390/nu13072201] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/22/2021] [Accepted: 06/24/2021] [Indexed: 11/16/2022] Open
Abstract
Diet may influence the development of inflammatory bowel disease through the modulation of inflammation. We investigated whether the inflammatory potential of the diet is associated with the risk of Crohn's disease (CD) and ulcerative colitis (UC) in the Spanish cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC-Spain). The study included 32,633 participants aged 29-69 years. The inflammatory potential of the diet was measured by using an inflammatory score of the diet (ISD) based on a baseline dietary history questionnaire. Cox regression was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). During 21 years (674,547 person-years) of follow-up, 32 and 57 participants developed CD and UC, respectively. In multivariable analysis, a one-standard deviation (SD) increment in the ISD (two-unit increase) was associated with a higher risk of CD (HR of 1.71; 95% CI: 1.05-2.80; p = 0.031). By contrast, ISD was not associated with UC (HR for one-SD increment of 0.89; 95% CI: 0.66-1.19; p = 0.436). Our results suggest that consuming a more pro-inflammatory diet may contribute to the risk of CD, supporting that a healthy diet might be beneficial in its prevention. Further, larger studies are needed to verify these findings.
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Affiliation(s)
- Marcela Guevara
- Instituto de Salud Pública de Navarra, 31003 Pamplona, Spain; (E.M.); (E.A.); (J.C.)
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
| | | | - Estrella Miqueleiz
- Instituto de Salud Pública de Navarra, 31003 Pamplona, Spain; (E.M.); (E.A.); (J.C.)
| | - Diana Gavrila
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, 30008 Murcia, Spain
| | - Pilar Amiano
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Sub-Directorate for Public Health and Addictions of Gipuzkoa, Ministry of Health of the Basque Government, 20013 San Sebastian, Spain
- Epidemiology and Public Health Area, Biodonostia Health Research Institute, 20014 San Sebastian, Spain
| | - Catalina Bonet
- Unit of Nutrition and Cancer, Catalan Institute of Oncology—ICO, and Nutrition and Cancer Group, Epidemiology, Public Health, Cancer Prevention and Palliative Care Program, Bellvitge Biomedical Research Institute-IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (C.B.); (A.A.)
| | - Miguel Rodríguez-Barranco
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain;
- Andalusian School of Public Health (EASP), 18011 Granada, Spain
| | - José María Huerta
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, 30008 Murcia, Spain
| | - Luis Bujanda
- Department of Liver and Gastrointestinal Diseases, Biodonostia Health Research Institute, 20014 San Sebastian, Spain;
- Department of Gastroenterology, University of the Basque Country (UPV/EHU), 20018 San Sebastian, Spain
- Consortium for Biomedical Research in Hepatic and Digestive Diseases, CIBEREHD, 28029 Madrid, Spain
| | - María José Sánchez
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain;
- Andalusian School of Public Health (EASP), 18011 Granada, Spain
- Department of Preventive Medicine and Public Health, University of Granada, 18071 Granada, Spain
| | - María Dolores Chirlaque
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, 30008 Murcia, Spain
- Departamento de Ciencias Sociosanitarias, Facultad de Medicina, Universidad de Murcia, 30100 Murcia, Spain
| | - Antonio Agudo
- Unit of Nutrition and Cancer, Catalan Institute of Oncology—ICO, and Nutrition and Cancer Group, Epidemiology, Public Health, Cancer Prevention and Palliative Care Program, Bellvitge Biomedical Research Institute-IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (C.B.); (A.A.)
| | - Eva Ardanaz
- Instituto de Salud Pública de Navarra, 31003 Pamplona, Spain; (E.M.); (E.A.); (J.C.)
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
| | - Jesús Castilla
- Instituto de Salud Pública de Navarra, 31003 Pamplona, Spain; (E.M.); (E.A.); (J.C.)
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain; (D.G.); (P.A.); (M.R.-B.); (J.M.H.); (M.J.S.); (M.D.C.)
- Navarra Institute for Health Research (IdiSNA), 31008 Pamplona, Spain
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AlAli M, Alqubaisy M, Aljaafari MN, AlAli AO, Baqais L, Molouki A, Abushelaibi A, Lai KS, Lim SHE. Nutraceuticals: Transformation of Conventional Foods into Health Promoters/Disease Preventers and Safety Considerations. Molecules 2021; 26:molecules26092540. [PMID: 33925346 PMCID: PMC8123587 DOI: 10.3390/molecules26092540] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/24/2021] [Accepted: 03/27/2021] [Indexed: 11/27/2022] Open
Abstract
Nutraceuticals are essential food constituents that provide nutritional benefits as well as medicinal effects. The benefits of these foods are due to the presence of active compounds such as carotenoids, collagen hydrolysate, and dietary fibers. Nutraceuticals have been found to positively affect cardiovascular and immune system health and have a role in infection and cancer prevention. Nutraceuticals can be categorized into different classes based on their nature and mode of action. In this review, different classifications of nutraceuticals and their potential therapeutic activity, such as anti-cancer, antioxidant, anti-inflammatory and anti-lipid activity in disease will be reviewed. Moreover, the different mechanisms of action of these products, applications, and safety upon consumers including current trends and future prospect of nutraceuticals will be included.
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Affiliation(s)
- Mudhi AlAli
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
| | - Maream Alqubaisy
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
| | - Mariam Nasser Aljaafari
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
| | - Asma Obaid AlAli
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
| | - Laila Baqais
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
| | - Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Karaj 31585-854, Iran;
| | - Aisha Abushelaibi
- Dubai Colleges, Higher Colleges of Technology, Dubai 16062, United Arab Emirates;
| | - Kok-Song Lai
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
| | - Swee-Hua Erin Lim
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates; (M.A.); (M.A.); (M.N.A.); (A.O.A.); (L.B.); (K.-S.L.)
- Correspondence: or ; Tel.: +971-56-389-3757
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Yao Q, Li H, Fan L, Zhang Y, Zhao S, Zheng N, Wang J. Dietary Regulation of the Crosstalk between Gut Microbiome and Immune Response in Inflammatory Bowel Disease. Foods 2021; 10:foods10020368. [PMID: 33567698 PMCID: PMC7915342 DOI: 10.3390/foods10020368] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease (IBD), a chronic, recurring inflammatory response, is a growing global public health issue. It results from the aberrant crosstalk among environmental factors, gut microbiota, the immune system, and host genetics, with microbiota serving as the core of communication for differently-sourced signals. In the susceptible host, dysbiosis, characterized by the bloom of facultative anaerobic bacteria and the decline of community diversity and balance, can trigger an aberrant immune response that leads to reduced tolerance against commensal microbiota. In IBD, such dysbiosis has been profoundly proven in animal models, as well as clinic data analysis; however, it has not yet been conclusively ascertained whether dysbiosis actually promotes the disease or is simply a consequence of the inflammatory disorder. Better insight into the complex network of interactions between food, the intestinal microbiome, and host immune response will, therefore, contribute significantly to the diagnosis, treatment, and management of IBD. In this article, we review the ways in which the mutualistic circle of dietary nutrients, gut microbiota, and the immune system becomes anomalous during the IBD process, and discuss the roles of bacterial factors in shaping the intestinal inflammatory barrier and adjusting immune capacity.
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Affiliation(s)
- Qianqian Yao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Huiying Li
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Linlin Fan
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yangdong Zhang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Shengguo Zhao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Nan Zheng
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jiaqi Wang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.Y.); (H.L.); (L.F.); (Y.Z.); (S.Z.); (N.Z.)
- Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Correspondence:
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El-Matary W. Advances in Nutritional Management of Pediatric Inflammatory Bowel Disease. Nutrients 2021; 13:nu13020324. [PMID: 33498599 PMCID: PMC7912014 DOI: 10.3390/nu13020324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/27/2022] Open
Affiliation(s)
- Wael El-Matary
- Section of Pediatric Gastroenterology, Max Rady College of Medicine, Rady Faculty of Health Sciences, Winnipeg, MB R3A1S1, Canada
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de Castro MM, Pascoal LB, Steigleder KM, Siqueira BP, Corona LP, Ayrizono MDLS, Milanski M, Leal RF. Role of diet and nutrition in inflammatory bowel disease. World J Exp Med 2021; 11:1-16. [PMID: 33585174 PMCID: PMC7852575 DOI: 10.5493/wjem.v11.i1.1] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 11/02/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel diseases (IBDs) are closely linked to nutrition. The latest research indicates that diet and nutrition are significantly involved in the etiopathogenesis of the disease, although their specific role throughout its clinical course still remains unclear. This study reviewed how diet and nutrition are associated with IBD development and management. Even though specific diets have been shown to bring about positive outcomes, there is currently no scientific consensus regarding an appropriate diet that would benefit all IBD patients. We suggest that individualized dietary recommendations are of the greatest importance and that diets should be planned to provide individual IBD patients with specific nutrient requirements while keeping all the clinical aspects of the patients in mind. Further research is clearly necessary to investigate nutritional factors involved in IBD development and, especially, to evaluate the applications of the diets during the course of the disease.
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Affiliation(s)
- Marina Moreira de Castro
- IBD Research Laboratory, Colorectal Surgery Unit, School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
- Laboratory of Metabolic Disorders, School of Applied Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
| | - Lívia Bitencourt Pascoal
- IBD Research Laboratory, Colorectal Surgery Unit, School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
| | - Karine Mariane Steigleder
- IBD Research Laboratory, Colorectal Surgery Unit, School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
| | - Beatriz Piatezzi Siqueira
- Laboratory of Metabolic Disorders, School of Applied Sciences, University of Campinas (UNICAMP), Limeira 13484-350, São Paulo, Brazil
| | - Ligiana Pires Corona
- Laboratory of Nutritional Epidemiology, School of Applied Sciences, University of Campinas (UNICAMP), Limeira 13484-350, São Paulo, Brazil
| | - Maria de Lourdes Setsuko Ayrizono
- IBD Research Laboratory, Colorectal Surgery Unit, School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
| | - Marciane Milanski
- IBD Research Laboratory, Colorectal Surgery Unit, School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
- Laboratory of Metabolic Disorders, School of Applied Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
| | - Raquel Franco Leal
- IBD Research Laboratory, Colorectal Surgery Unit, School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-878, São Paulo, Brazil
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Armstrong H, Mander I, Zhang Z, Armstrong D, Wine E. Not All Fibers Are Born Equal; Variable Response to Dietary Fiber Subtypes in IBD. Front Pediatr 2021; 8:620189. [PMID: 33520902 PMCID: PMC7844368 DOI: 10.3389/fped.2020.620189] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 12/10/2020] [Indexed: 12/12/2022] Open
Abstract
Diet provides a safe and attractive alternative to available treatment options in a variety of diseases; however, research has only just begun to elucidate the role of diet in chronic diseases, such as the inflammatory bowel diseases (IBD). The chronic and highly debilitating IBDs, Crohn disease and ulcerative colitis, are hallmarked by intestinal inflammation, immune dysregulation, and dysbiosis; and evidence supports a role for genetics, microbiota, and the environment, including diet, in disease pathogenesis. This is true especially in children with IBD, where diet-based treatments have shown excellent results. One interesting group of dietary factors that readily links microbiota to gut health is dietary fibers. Fibers are not digested by human cells, but rather fermented by the gut microbes within the bowel. Evidence has been mounting over the last decade in support of the importance of dietary fibers in the maintenance of gut health and in IBD; however, more recent studies highlight the complexity of this interaction and importance of understanding the role of each individual dietary fiber subtype, especially during disease. There are roughly ten subtypes of dietary fibers described to date, categorized as soluble or insoluble, with varying chemical structures, and large differences in their fermentation profiles. Many studies to date have described the benefits of the byproducts of fermentation in healthy individuals and the potential health benefits in select disease models. However, there remains a void in our understanding of how each of these individual fibers affect human health in dysbiotic settings where appropriate fermentation may not be achieved. This review highlights the possibilities for better defining the role of individual dietary fibers for use in regulating inflammation in IBD.
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Affiliation(s)
- Heather Armstrong
- Centre of Excellence for Gastrointestinal Inflammation and Immunity Research, University of Alberta, Edmonton, AB, Canada
- Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
| | - Inderdeep Mander
- Centre of Excellence for Gastrointestinal Inflammation and Immunity Research, University of Alberta, Edmonton, AB, Canada
| | - Zhengxiao Zhang
- Centre of Excellence for Gastrointestinal Inflammation and Immunity Research, University of Alberta, Edmonton, AB, Canada
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - David Armstrong
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Eytan Wine
- Centre of Excellence for Gastrointestinal Inflammation and Immunity Research, University of Alberta, Edmonton, AB, Canada
- Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
- Department of Physiology, University of Alberta, Edmonton, AB, Canada
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Dietary Fibers: Structural Aspects and Nutritional Implications. Food Hydrocoll 2021. [DOI: 10.1007/978-981-16-0320-4_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Vasseur P, Dugelay E, Benamouzig R, Savoye G, Lan A, Srour B, Hercberg S, Touvier M, Hugot JP, Julia C, Buscail C. Dietary Patterns, Ultra-processed Food, and the Risk of Inflammatory Bowel Diseases in the NutriNet-Santé Cohort. Inflamm Bowel Dis 2021; 27:65-73. [PMID: 32055825 DOI: 10.1093/ibd/izaa018] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND The incidence of inflammatory bowel diseases (IBDs) tended to increase for several decades. Diet is suspected to be a major determinant of the occurrence of these diseases. This prospective study aimed to assess the associations among occurrence of IBD, dietary patterns, and ultra-processed food in the French NutriNet-Santé cohort. METHODS Participants of the NutriNet-Santé cohort who completed at least three 24-hour dietary records were included. Incident IBD cases were identified from 3 questionnaires and confirmed by phone or email interview. Major dietary patterns (DPs) were computed using a principal component analysis (PCA) based on 29 food groups' consumption, whereas proportions of ultra-processed foods (UPFs) were obtained using the NOVA classification. Multivariable Poisson models were performed to evaluate associations among DP quintiles, UPF proportion (UPFp) in the diet, and incident IBD. RESULTS A total of 105,832 participants were included, contributing 238,924 person-years in a mean follow-up of 2.3 ± 2.2 years. Among them, 75 participants reported an incident IBD. Three major DPs were retained: "healthy," "traditional," and "western." No significant association was found for DPs and UPFp after adjustments for covariates. CONCLUSIONS In this study, neither DPs nor UPF proportion in the diet were significantly associated with the risk of incident IBD after adjustments for covariates. Further studies are needed to investigate the long-term association between diet and IBD.
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Affiliation(s)
- Pauline Vasseur
- Equipe de Recherche en Épidémiologie Nutritionnelle (EREN), Université Paris 13, Inserm U1153, Inra U1125, Cnam, CRESS, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (APHP), Bobigny, France
| | - Emmanuelle Dugelay
- Service de Gastroentérologie et Nutrition Pédiatrique, Hôpital Robert Debré (APHP), Paris, France
| | - Robert Benamouzig
- Service de Gastroentérologie, Hôpital Avicenne (APHP), Bobigny, France
| | - Guillaume Savoye
- Service de Gastroentérologie, Hôpital Charles Nicolle, Rouen, France
| | - Annaïg Lan
- UMR PNCA, AgroParisTech, INRA, Université Paris-Saclay, Paris, France
| | - Bernard Srour
- Equipe de Recherche en Épidémiologie Nutritionnelle (EREN), Université Paris 13, Inserm U1153, Inra U1125, Cnam, CRESS, Bobigny, France
| | - Serge Hercberg
- Equipe de Recherche en Épidémiologie Nutritionnelle (EREN), Université Paris 13, Inserm U1153, Inra U1125, Cnam, CRESS, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (APHP), Bobigny, France
| | - Mathilde Touvier
- Equipe de Recherche en Épidémiologie Nutritionnelle (EREN), Université Paris 13, Inserm U1153, Inra U1125, Cnam, CRESS, Bobigny, France
| | - Jean-Pierre Hugot
- Service de Gastroentérologie et Nutrition Pédiatrique, Hôpital Robert Debré (APHP), Paris, France.,Centre de Recherche sur l'Inflammation, UMR1149 INSERM et Université de Paris, Paris, France
| | - Chantal Julia
- Equipe de Recherche en Épidémiologie Nutritionnelle (EREN), Université Paris 13, Inserm U1153, Inra U1125, Cnam, CRESS, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (APHP), Bobigny, France
| | - Camille Buscail
- Equipe de Recherche en Épidémiologie Nutritionnelle (EREN), Université Paris 13, Inserm U1153, Inra U1125, Cnam, CRESS, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (APHP), Bobigny, France
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40
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Review on the potential application of non-phenolic compounds from native Latin American food byproducts in inflammatory bowel diseases. Food Res Int 2021; 139:109796. [DOI: 10.1016/j.foodres.2020.109796] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/01/2020] [Accepted: 10/04/2020] [Indexed: 12/16/2022]
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41
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Zhang XT, He JP. Meta-analysis of protein intake on the effect of Crohn's disease and ulcerative colitis. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2020; 113:164-169. [PMID: 33207889 DOI: 10.17235/reed.2020.6851/2019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND PURPOSE published studies have assessed the effect of protein intake on Crohn's disease (CD) and ulcerative colitis (UC). However, the results were inconsistent. To provide a more precise estimation, a meta-analysis was performed to evaluate the association of protein intake in Crohn's disease and ulcerative colitis. METHODS the PubMed, Chinese National Knowledge Infrastructure databases (CNKI), and Wanfang databases were searched to identify relevant studies. The summarized results of the relative risk (RR) with the corresponding 95 % confidence intervals (CI) were calculated using a random effects model. RESULTS the final analysis included a total of nine articles. Nine studies reported on protein intake for the risk of UC and five studies reported on protein intake for the risk of CD. Overall, based on current studies, no significant association was found between protein intake and the risk of UC (RR = 1.13, 95 % CI = 0.82-1.55) or CD (RR = 1.18, 95 % CI = 0.51-2.74). A significant change was not found in the stratified analysis by study design and geographic location. CONCLUSIONS in conclusion, the present meta-analysis suggested that dietary protein intake did not show a significant effect on the risk of UC or CD.
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Affiliation(s)
- Xi-Tao Zhang
- Anorectal, ZhuJiang Hospital of Southern Medical University, China
| | - Jian-Ping He
- Anorectal, ZhuJiang Hospital of Southern Medical University, China
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Milajerdi A, Ebrahimi-Daryani N, Dieleman LA, Larijani B, Esmaillzadeh A. Association of Dietary Fiber, Fruit, and Vegetable Consumption with Risk of Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis. Adv Nutr 2020; 12:735-743. [PMID: 33186988 PMCID: PMC8166559 DOI: 10.1093/advances/nmaa145] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/22/2020] [Accepted: 10/06/2020] [Indexed: 02/06/2023] Open
Abstract
No previous investigation has summarized findings from prospective cohort studies on the association between dietary intake of fiber, fruit, and vegetables and risk of inflammatory bowel disease (IBD). Dietary fiber and its major sources can influence the risk of IBD by modulation of the gut microbiota. This study summarizes findings from published cohort studies on the association between dietary fiber, fruit, and vegetable consumption and risk of IBD. Relevant articles published up to January 2019 were searched via PubMed, MEDLINE, Scopus, Embase, Cochrane Library, and Google Scholar. All prospective cohort studies investigating the association between dietary fiber, fruit, and vegetable intake and risk of IBD were included. Combining 7 effect sizes from 6 studies, no significant association was found between dietary intake of fiber and risk of ulcerative colitis (UC) (RR: 1.09; 95% CI: 0.88, 1.34). However, a significant inverse association was found between dietary fiber intake and risk of Crohn disease (CD) (RR: 0.59; 95% CI: 0.46, 0.74), based on 5 studies with 6 effect sizes. Pooling information from 4 studies, we found a significant protective association between dietary intake of fruit and risk of UC (RR: 0.69; 95% CI: 0.55, 0.86) and CD (RR: 0.47; 95% CI: 0.38, 0.58). We also found a significant inverse association between vegetable consumption and risk of UC (RR: 0.56; 95% CI: 0.48, 0.66) and CD (RR: 0.52; 95% CI: 0.46, 0.59). In conclusion, dietary intake of fruit and vegetables was inversely associated with risk of IBD and its subtypes. Dietary fiber intake was also inversely associated with incidence of IBD and CD, but not with UC. Further studies are warranted to examine the association of other fiber-rich foods with IBD.
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Affiliation(s)
- Alireza Milajerdi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran,Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Islamic Republic of Iran,Department of Health, Aja University of Medical Sciences, Tehran, Iran
| | - Nasser Ebrahimi-Daryani
- Department of Gastroenterology and Hepatology, Tehran University of Medical Sciences, Tehran, Iran
| | - Levinus A Dieleman
- Division of Gastroenterology, University of Alberta, Edmonton, Alberta, Canada
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Fiber and Prebiotic Interventions in Pediatric Inflammatory Bowel Disease: What Role Does the Gut Microbiome Play? Nutrients 2020; 12:nu12103204. [PMID: 33092150 PMCID: PMC7589214 DOI: 10.3390/nu12103204] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 12/17/2022] Open
Abstract
The etiology of inflammatory bowel disease (IBD) is complex but is thought to be linked to an intricate interaction between the host’s immune system, resident gut microbiome and environment, i.e., diet. One dietary component that has a major impact on IBD risk and disease management is fiber. Fiber intakes in pediatric IBD patients are suboptimal and often lower than in children without IBD. Fiber also has a significant impact on beneficially shaping gut microbiota composition and functional capacity. The impact is likely to be particularly important in IBD patients, where various studies have demonstrated that an imbalance in the gut microbiome, referred to as dysbiosis, occurs. Microbiome-targeted therapeutics, such as fiber and prebiotics, have the potential to restore the balance in the gut microbiome and enhance host gut health and clinical outcomes. Indeed, studies in adult IBD patients demonstrate that fiber and prebiotics positively alter the microbiome and improve disease course. To date, no studies have been conducted to evaluate the therapeutic potential of fiber and prebiotics in pediatric IBD patients. Consequently, pediatric IBD specific studies that focus on the benefits of fiber and prebiotics on gut microbiome composition and functional capacity and disease outcomes are required.
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McRae MP. Effectiveness of Fiber Supplementation for Constipation, Weight Loss, and Supporting Gastrointestinal Function: A Narrative Review of Meta-Analyses. J Chiropr Med 2020; 19:58-64. [PMID: 33192192 DOI: 10.1016/j.jcm.2019.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 08/07/2019] [Accepted: 10/10/2019] [Indexed: 12/18/2022] Open
Abstract
Objective The purpose of this narrative review is to determine whether published meta-analyses support the use of fiber supplementation in the treatment of constipation, weight loss, and dietary support for gastrointestinal disorders such as irritable bowel syndrome (IBS) and inflammatory bowel disease. Methods A PubMed search from January 1, 1980, to July 31, 2019, was conducted with the following search strategy: (fiber OR fibre) AND (meta-analysis OR systematic review) AND (constipation OR body weight OR obesity OR irritable bowel syndrome OR inflammatory bowel disease). Meta-analyses that provided quantitative statistical analysis with a measured effect size were retrieved and accepted into this review. The following was extracted and entered into an Excel spreadsheet: number of publications included in the meta-analysis, number of total participants, fiber type and daily dose, pooled treatment effects for clinical endpoints, or summary relative risks. Results Eighteen meta-analyses support dietary fiber supplementation for patients with constipation, weight loss, and IBS, but the significant heterogeneity and publication bias undermine the support for using dietary fiber supplementation in these conditions. Conclusion This narrative review of meta-analyses finds some benefits for recommending fiber supplementation to patients with constipation, obesity, and IBS, but significant heterogeneity and publication bias undermine this support.
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Affiliation(s)
- Marc P McRae
- Department of Basic Sciences, National University of Health Sciences
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Khorshidi M, Djafarian K, Aghayei E, Shab-Bidar S. A posteriori dietary patterns and risk of inflammatory bowel disease: a meta-analysis of observational studies. INT J VITAM NUTR RES 2020; 90:376-384. [DOI: 10.1024/0300-9831/a000508] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Abstract. Inflammatory bowel disease (IBD) is a chronic inflammatory disorder which affects the gastrointestinal tract. Many factors, such as genetics, stress, and dietary patterns have been related to the risk of this disease. Adherence to a prudent/healthy dietary pattern, due to its antioxidant and anti-inflammatory properties, help to reduce the risk of many chronic diseases such as IBD. The results from previous studies regarding the association between dietary patterns and risk of IBD, including Crohn’s disease (CD) and ulcerative colitis (UC), are inconsistent. This meta-analysis was performed to evaluate the potential relations between dietary patterns and risk of CD and UC. PubMed and Scopus were searched up to October 2017 for eligible studies. Random-effects or fixed-effects models were used to pool the estimated risks for the highest versus the lowest category of extracted dietary patterns. A total of six studies, including four case-control and two cohort studies with 1099 cases and 263112 controls/participants were included in the meta-analysis. A decreased risk of CD was seen for the highest compared with the lowest categories of healthy dietary pattern (OR/RR = 0.39, 95%CI = 0.16–0.62), while no significant association with western dietary pattern was observed (OR/RR = 0.78, 95% CI: 0.51–1.04). Furthermore, no significant relationship was found between healthy (OR/RR = 0.61, 95%CI = 0.04–1.18, random effects) and western/unhealthy (OR/RR = 0.97, 95% CI: 0.67–1.26) dietary patterns and risk of UC. The results of the current meta-analysis showed that a healthy dietary pattern is associated with a lower risk of CD. Further studies are warranted to confirm these findings.
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Affiliation(s)
- Masoud Khorshidi
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Kurosh Djafarian
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Elham Aghayei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Sakineh Shab-Bidar
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Jin ZQ, Lu HG, Wu QB, Ge HX, Zhou TT, Zhang XQ, Xu LX. A meta-analysis of dietary carbohydrate intake and inflammatory bowel disease risk: evidence from 15 epidemiology studies. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2020; 111:5-9. [PMID: 30569728 DOI: 10.17235/reed.2018.5490/2018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND PURPOSE epidemiological studies that assess the association of dietary total carbohydrate intake and inflammatory bowel disease risk (IBD) have yielded controversial results. Therefore, this study of various epidemiological studies was conducted in order to explore this relationship. METHODS a systematic literature search of the PubMed, Embase, Web of Science and Medline databases was performed up to September 2017. Cohort, case-control or cross-sectional design studies were included that reported the association of dietary carbohydrate intake and IBD risk. Summary odds ratio (OR) and the corresponding 95% CI were calculated using the random effects model. RESULTS a total of eight articles with 15 individual studies that included 1,361 cases were eligible according to the inclusion criteria. Dietary carbohydrate intake had a non-significant relationship with the risk of IBD (OR = 1.091, 95% CI = 0.817-1.455, I2 = 31.6%, pfor heterogeneity = 0.116). The pooled OR and 95% CI for ulcerative colitis (UC) and Crohn's disease (CD) with regard to dietary carbohydrate intake was 1.167 (0.777-1.752) and 1.010 (0.630-1.618), respectively. These associations were also non-significant in both European and Asia populations. CONCLUSIONS a higher dietary total carbohydrate intake had a non-significant relationship with IBD risk. Further studies with large populations are needed to verify this relationship.
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Affiliation(s)
| | | | | | - Hai-Xia Ge
- Children's Hospital of Soochow university
| | | | | | - Li-Xiao Xu
- Pediatric institute of Soochow university, Pediatric institute of Soochow university, china
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Maurer LH, Cazarin CBB, Quatrin A, Nichelle SM, Minuzzi NM, Teixeira CF, Manica da Cruz IB, Maróstica Júnior MR, Emanuelli T. Dietary fiber and fiber-bound polyphenols of grape peel powder promote GSH recycling and prevent apoptosis in the colon of rats with TNBS-induced colitis. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103644] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Obesity Does Not Modulate the Glycometabolic Benefit of Insoluble Cereal Fibre in Subjects with Prediabetes-A Stratified Post Hoc Analysis of the Optimal Fibre Trial (OptiFiT). Nutrients 2019; 11:nu11112726. [PMID: 31717901 PMCID: PMC6893443 DOI: 10.3390/nu11112726] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 10/18/2019] [Accepted: 10/22/2019] [Indexed: 02/06/2023] Open
Abstract
Obesity does not modulate the glycometabolic benefit of insoluble cereal fibre in subjects with prediabetes—a stratified post hoc analysis of the Optimal Fibre Trial (OptiFiT). Background: OptiFiT demonstrated the beneficial effect of insoluble oat fibres on dysglycemia in prediabetes. Recent analyses of OptiFiT and other randomised controlled trials (RCTs) indicated that this effect might be specific for the subgroup of patients with impaired fasting glucose (IFG). As subjects with IFG are more often obese, there is a need to clarify if the effect modulation is actually driven by glycemic state or body mass index (BMI). Aim: We conducted a stratified post hoc analysis of OptiFiT based on the presence or absence of obesity. Methods: 180 Caucasian participants with impaired glucose tolerance (IGT) were randomised in a double-blinded fashion to either twice-a-day fibre or placebo supplementation for 2 years (n = 89 and 91, respectively). Once a year, they underwent fasting blood sampling, an oral glucose tolerance test (oGTT) and full anthropometry. At baseline, out of 136 subjects who completed the first year of intervention, 87 (62%) were classified as OBESE (BMI >30) and 49 subjects were NONOBESE. We performed a stratified per-protocol analysis of the primary glycemic and secondary metabolic effects attributable to dietary fibre supplementation after 1 year of intervention. Results: Neither the NONOBESE nor the OBESE subgroup showed significant differences between the respective fibre and placebo groups in metabolic, anthropometric or inflammatory outcomes. None of the four subgroups showed a significant improvement in either fasting glucose or glycated haemoglobin (HbA1c) after 1 year of intervention and only OBESE fibre subjects improved 2 h glucose. Within the NONOBESE stratum, there were no significant differences in the change of primary or secondary metabolic parameters between the fibre and placebo arms. We found a significant interaction effect for leukocyte count (time × supplement × obesity status). Within the OBESE stratum, leukocyte count and gamma-glutamyl transferase (GGT) levels decreased more in the fibre group compared with placebo (adjusted for change in body weight). Comparison of both fibre groups revealed that OBESE subjects had a significantly stronger benefit with respect to leukocyte count and fasting C-peptide levels than NONOBESE participants. Only the effect on leukocyte count survived correction for multiple comparisons. In contrast, under placebo conditions, NONOBESE subjects managed to decrease their body fat content significantly more than OBESE ones. Intention-to-treat (ITT) analysis resulted in similar outcomes. Conclusions: The state of obesity does not relevantly modulate the beneficial effect of cereal fibre on major glycometabolic parameters by fibre supplementation, but leukocyte levels may be affected. Hence, BMI is not a suitable parameter to stratify this cohort with respect to diabetes risk or responsiveness to cereal fibre, but obesity needs to be accounted for when assessing anti-inflammatory effects of fibre treatments. Targeted diabetes prevention should focus on the actual metabolic state rather than on mere obesity.
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Piovani D, Danese S, Peyrin-Biroulet L, Nikolopoulos GK, Lytras T, Bonovas S. Environmental Risk Factors for Inflammatory Bowel Diseases: An Umbrella Review of Meta-analyses. Gastroenterology 2019; 157:647-659.e4. [PMID: 31014995 DOI: 10.1053/j.gastro.2019.04.016] [Citation(s) in RCA: 487] [Impact Index Per Article: 81.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 04/15/2019] [Accepted: 04/15/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Multiple environmental factors have been associated with the development of inflammatory bowel diseases (IBDs). We performed an umbrella review of meta-analyses to summarize available epidemiologic evidence and assess its credibility. METHODS We systematically identified and appraised meta-analyses of observational studies examining environmental factors and risk of IBD (Crohn's disease [CD] or ulcerative colitis [UC]). For each meta-analysis, we considered the random effects estimate, its 95% confidence interval, the estimates of heterogeneity, and small-study effects, and we graded the evidence according to prespecified criteria. Methodologic quality was assessed with AMSTAR (ie, A Measurement Tool to Assess Systematic Reviews) 2. RESULTS We examined 183 estimates in 53 meta-analyses of 71 environmental factors related to lifestyles and hygiene, surgeries, drug exposures, diet, microorganisms, and vaccinations. We identified 9 factors that increase risk of IBD: smoking (CD), urban living (CD and IBD), appendectomy (CD), tonsillectomy (CD), antibiotic exposure (IBD), oral contraceptive use (IBD), consumption of soft drinks (UC), vitamin D deficiency (IBD), and non-Helicobacter pylori-like enterohepatic Helicobacter species (IBD). We identified 7 factors that reduce risk of IBD: physical activity (CD), breastfeeding (IBD), bed sharing (CD), tea consumption (UC), high levels of folate (IBD), high levels of vitamin D (CD), and H pylori infection (CD, UC, and IBD). Epidemiologic evidence for all of these associations was of high to moderate strength; we identified another 11 factors associated with increased risk and 16 factors associated with reduced risk with weak credibility. Methodologic quality varied considerably among meta-analyses. Several associations were based on findings from retrospective studies, so it is not possible to determine if these are effects of IBD or the results of recall bias. CONCLUSIONS In an umbrella review of meta-analyses, we found varying levels of evidence for associations of different environmental factors with risk of IBD. High-quality prospective studies with analyses of samples from patients with recent diagnoses of IBD are needed to determine whether these factors cause or are results of IBD and their pathogenic mechanisms.
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Affiliation(s)
- Daniele Piovani
- Department of Biomedical Sciences, Humanitas University, Milan, Italy; Inflammatory Bowel Disease Center, Humanitas Clinical and Research Center-IRCCS, Milan, Italy
| | - Silvio Danese
- Department of Biomedical Sciences, Humanitas University, Milan, Italy; Inflammatory Bowel Disease Center, Humanitas Clinical and Research Center-IRCCS, Milan, Italy
| | - Laurent Peyrin-Biroulet
- Department of Hepato-Gastroenterology and INSERM U954, University Hospital of Nancy, University of Lorraine, Vandoeuvre-lès-Nancy, France
| | | | - Theodore Lytras
- Hellenic Center for Disease Control and Prevention, Athens, Greece
| | - Stefanos Bonovas
- Department of Biomedical Sciences, Humanitas University, Milan, Italy; Inflammatory Bowel Disease Center, Humanitas Clinical and Research Center-IRCCS, Milan, Italy.
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Dennis-Wall JC, Burns AM, Solch RJ, Ukhanova M, Dahl WJ, Christman MC, Boileau T, Brauchla M, Shin JE, Nieves C, Mai V, Langkamp-Henken B. A beverage containing orange pomace improves laxation and modulates the microbiome in healthy adults: A randomised, blinded, controlled trial. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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