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Fukunaga I, Takebe T. In vitro liver models for toxicological research. Drug Metab Pharmacokinet 2025; 62:101478. [PMID: 40203632 DOI: 10.1016/j.dmpk.2025.101478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2024] [Revised: 02/25/2025] [Accepted: 03/04/2025] [Indexed: 04/11/2025]
Abstract
Drug-induced liver injury (DILI) presents a major challenge not only in new drug development but also in post-marketing withdrawals and the safety of food, cosmetics, and chemicals. Experimental model organisms such as the rodents have been widely used for preclinical toxicological testing. However, the tension exists associated with the ethical and sustainable use of animals in part because animals do not necessarily inform the human-specific ADME (adsorption, dynamics, metabolism and elimination) profiling. To establish alternative models in humans, in vitro hepatic tissue models have been proposed, ranging from primary hepatocytes, immortal hepatocytes, to the development of new cell resources such as stem cell-derived hepatocytes. Given the evolving number of novel alternative methods, understanding possible combinations of cell sources and culture methods will be crucial to develop the context-of-use assays. This review primarily focuses on 3D liver organoid models for conducting. We will review the relevant cell sources, bioengineering methods, selection of training compounds, and biomarkers towards the rationale design of in vitro toxicology testing.
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Affiliation(s)
- Ichiro Fukunaga
- Center for Genomic and Regenerative Medicine, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan.
| | - Takanori Takebe
- Human Biology Research Unit, Institute of Integrated Research, Institute of Science Tokyo, 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan; Department of Genome Biology, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan; Divisions of Gastroenterology, Hepatology & Nutrition, Developmental Biology and Biomedical Informatics, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, 45229-3039, USA; Department of Pediatrics, University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, OH, 45229-3039, USA; Center for Stem Cell and Organoid Medicine (CuSTOM), Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, 45229-3039, USA; Premium Research Institute for Human Metaverse Medicine (WPI-PRIMe), Osaka University, Suita, Osaka, 565-0871, Japan
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Perry SS, Brice DC, Sakr AA, Kandeil A, DeBeauchamp J, Ghonim M, Jones J, Miller L, Vegesana K, Crawford JC, Langfitt DM, Kercher L, Abdelsamed HA, Webster RG, Thomas PG, Webby RJ, Okda FA. Modulation of cytokeratin and cytokine/chemokine expression following influenza virus infection of differentiated human tonsillar epithelial cells. J Virol 2025; 99:e0146024. [PMID: 39791909 PMCID: PMC11852761 DOI: 10.1128/jvi.01460-24] [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: 08/20/2024] [Accepted: 12/08/2024] [Indexed: 01/12/2025] Open
Abstract
The tonsils have been identified as a site of replication for Epstein-Barr virus, adenovirus, human papillomavirus, and other respiratory viruses. Human tonsil epithelial cells (HTECs) are a heterogeneous group of actively differentiating cells. Here, we investigated the cellular features and susceptibility of differentiated HTECs to specific influenza viruses, including expression of avian-type and mammalian-type sialic acid (SA) receptors, viral replication dynamics, and the associated cytokine secretion profiles. We found that differentiated HTECs possess more abundant α2,3-linked SA (preferentially bound by avian influenza viruses) than α2,6-linked SA (preferentially bound by mammalian strains). This dual receptor expression suggests a role in influenza virus adaptation and tropism within the tonsils by facilitating the binding and entry of multiple influenza virus strains. Our results indicated the susceptibility of differentiated HTECs to a wide range of influenza viruses from human, swine, and avian hosts. Virus production for most strains was detected as early as 1 day post-infection (dpi), and typically peaked by 3 dpi. However, pandemic H1N1 virus showed remarkably delayed replication kinetics that did not peak until at least 7 dpi. Notably, influenza virus infection impacted the expression of cytokeratins in HTEC cultures, which correlated with altered cytokine secretion patterns. These patterns varied within the strains but were most distinct in swine H3N2 infection. In conclusion, differentiated HTECs exhibited a strain-specific pattern of influenza virus replication and innate immune responses that included changes in cytokeratin and cytokine expression. These studies shed light on the complex interplay between influenza viruses and host cells in the tonsils. IMPORTANCE To develop effective interventions against influenza, it is important to identify host factors affecting pathogenesis and immune responses. Tonsils are lymphoepithelial organs characterized by infiltration of B and T lymphocytes into the squamous epithelium of tonsillar crypts, beneath which germinal centers play key roles in antigen processing and the immune response. Influenza virus tropism in the human upper respiratory tract is a key determinant of host-range, pathogenesis, and transmission. Accordingly, experimental models using primary cells from the human respiratory tract are relevant for assessing virus tropism and replication competence. Our study addresses the dynamics of influenza virus replication in HTECs, including cellular tropism, infectivity, and cytokeratin and cytokine expression. The results of this study highlight the complex interplay between structural proteins and immune signaling pathways, all of which provide valuable insights into host-virus interactions.
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Affiliation(s)
- S. Scott Perry
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - David C. Brice
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Ahmed Atef Sakr
- Cornell Veterinary Biobank, Cornell University College of Veterinary Medicine, Ithaca, New York, USA
| | - Ahmed Kandeil
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
- National Research Center, Giza, Egypt
| | - Jennifer DeBeauchamp
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Mohamed Ghonim
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Jeremy Jones
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Lance Miller
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Kasi Vegesana
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Jeremy Chase Crawford
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Deanna M. Langfitt
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children’s Research Hospital, Memphis, Tennessee, USA
| | - Lisa Kercher
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Hossam A. Abdelsamed
- Immunology Center of Georgia (IMMCG), Department of Physiology, Medical College of Georgia (MCG), Augusta University, Augusta, Georgia, USA
| | - Robert G. Webster
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Paul G. Thomas
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Richard J. Webby
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Faten A. Okda
- Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA
- National Research Center, Giza, Egypt
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3
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Song Q, Li Q, Yang Y, Gao H, Han F. Antimicrobial Functions of Galectins from Fish, Mollusks, and Crustaceans: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:24895-24907. [PMID: 39471068 DOI: 10.1021/acs.jafc.4c05412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2024]
Abstract
Galectins are a member of the β-galactoside binding protein family, which play a pivotal role in the immune defense of vertebrates as a pattern recognition receptor and occupy an important position in the innate immune system of invertebrates. The study of galectins in aquatic organisms has only recently emerged. Galectins in aquatic animals exhibit agglutination activity toward bacteria, inhibit bacterial growth, and enhance phagocytosis of immune cells. Additionally, some galectins contribute to the antiviral immune defenses of aquatic animals. This review aims to review recent advancements in the antimicrobial mechanisms, molecular structures, and evolution of galectins from fish, mollusks, and crustaceans. The antimicrobial galectins, as crucial components in the innate immune defense, pave new avenues for developing innovative disease control strategies in aquaculture.
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Affiliation(s)
- Qing Song
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, Fujian, China
| | - Qiaoying Li
- State Key Laboratory of Mariculture Breeding, Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Xiamen, Fujian 361021, China
| | - Yao Yang
- State Key Laboratory of Mariculture Breeding, Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Xiamen, Fujian 361021, China
| | - Haijun Gao
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, Fujian, China
| | - Fang Han
- State Key Laboratory of Mariculture Breeding, Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Xiamen, Fujian 361021, China
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Binicier OB, Sarı SO, Pakoz ZB, Basok BI. Can serum M30 levels be utilized as an activation marker in patients with ulcerative colitis? REVISTA DA ASSOCIACAO MEDICA BRASILEIRA (1992) 2024; 70:e20240704. [PMID: 39292076 PMCID: PMC11404990 DOI: 10.1590/1806-9282.20240704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Accepted: 06/17/2024] [Indexed: 09/19/2024]
Abstract
OBJECTIVE Ascertainment of disease activation is an important component of therapeutic decisions in ulcerative colitis patients and may present certain clinical challenges. The objective of this study was to determine serum levels of the M30 fragment of cytokeratin 18 and its utility as an activation marker in patients with ulcerative colitis, who are known to have increased apoptosis. METHODS A total of 60 ulcerative colitis (30 active and 30 remission) patients aged over 18 years and 29 healthy individuals as controls were included in the study. M30, C-reactive protein, and mean platelet volume were evaluated in all participants and compared between ulcerative colitis patients and controls, as well as between those with active disease or remission. RESULTS Although ulcerative colitis patients with active disease had higher M30 levels than those in remission, the difference was not statistically significant (p=0.085). The mean M30 levels tended to increase with increasing extent of involvement, although the differences were not significant (p=0.065). The comparison of C-reactive protein and mean platelet volume according to the site of involvement, however, showed significant differences (p=0.02 and 0.004, respectively). M30 did not show significant correlations with C-reactive protein, mean platelet volume, and Mayo Score (p=0.0834, 0.768, and 0.401, respectively). CONCLUSIONS Our results suggest that, in contrast to C-reactive protein and mean platelet volume, M30 levels do not have a significant role as an activation marker in ulcerative colitis patients. Thus, we believe that M30 may not represent an appropriate marker to be used for this purpose.
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Affiliation(s)
- Omer Burcak Binicier
- University of Health Sciences Turkey, Izmir Faculty of Medicine, Department of Gastroenterology - İzmir, Turkey
| | - Sevil Ozer Sarı
- University of Health Sciences Turkey, Izmir Faculty of Medicine, Department of Gastroenterology - İzmir, Turkey
| | - Zehra Betul Pakoz
- Katip Celebi University, Ataturk Training and Research Hospital, Department of Gastroenterology - İzmir, Turkey
| | - Banu Isbilen Basok
- University of Health Sciences Turkey, Izmir Faculty of Medicine, Department of Medical Biochemistry - İzmir, Turkey
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Moldovan C, Onaciu A, Toma V, Munteanu RA, Gulei D, Moldovan AI, Stiufiuc GF, Feder RI, Cenariu D, Iuga CA, Stiufiuc RI. Current trends in luminescence-based assessment of apoptosis. RSC Adv 2023; 13:31641-31658. [PMID: 37908656 PMCID: PMC10613953 DOI: 10.1039/d3ra05809c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/18/2023] [Indexed: 11/02/2023] Open
Abstract
Apoptosis, the most extensively studied type of cell death, is known to play a crucial role in numerous processes such as elimination of unwanted cells or cellular debris, growth, control of the immune system, and prevention of malignancies. Defective regulation of apoptosis can trigger various diseases and disorders including cancer, neurological conditions, autoimmune diseases and developmental disorders. Knowing the nuances of the cell death type induced by a compound can help decipher which therapy is more effective for specific diseases. The detection of apoptotic cells using classic methods has brought significant contribution over the years, but innovative methods are quickly emerging and allow more in-depth understanding of the mechanisms, aside from a simple quantification. Due to increased sensitivity, time efficiency, pathway specificity and negligible cytotoxicity, these innovative approaches have great potential for both in vitro and in vivo studies. This review aims to shed light on the importance of developing and using novel nanoscale methods as an alternative to the classic apoptosis detection techniques.
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Affiliation(s)
- Cristian Moldovan
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
- Department of Pharmaceutical Physics & Biophysics, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy Louis Pasteur Street No. 4-6 400349 Cluj-Napoca Romania
| | - Anca Onaciu
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Valentin Toma
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Raluca A Munteanu
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Diana Gulei
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Alin I Moldovan
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Gabriela F Stiufiuc
- Faculty of Physics, "Babes Bolyai" University Mihail Kogalniceanu Street No. 1 400084 Cluj-Napoca Romania
| | - Richard I Feder
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Diana Cenariu
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Cristina A Iuga
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
- Pharmaceutical Analysis, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy Louis Pasteur Street 6 Cluj-Napoca 400349 Romania
| | - Rares I Stiufiuc
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
- Department of Pharmaceutical Physics & Biophysics, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy Louis Pasteur Street No. 4-6 400349 Cluj-Napoca Romania
- TRANSCEND Research Center, Regional Institute of Oncology 700483 Iasi Romania
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Dialog beyond the Grave: Necrosis in the Tumor Microenvironment and Its Contribution to Tumor Growth. Int J Mol Sci 2023; 24:ijms24065278. [PMID: 36982351 PMCID: PMC10049335 DOI: 10.3390/ijms24065278] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/27/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous molecules released from the necrotic cells dying after exposure to various stressors. After binding to their receptors, they can stimulate various signaling pathways in target cells. DAMPs are especially abundant in the microenvironment of malignant tumors and are suspected to influence the behavior of malignant and stromal cells in multiple ways often resulting in promotion of cell proliferation, migration, invasion, and metastasis, as well as increased immune evasion. This review will start with a reminder of the main features of cell necrosis, which will be compared to other forms of cell death. Then we will summarize the various methods used to assess tumor necrosis in clinical practice including medical imaging, histopathological examination, and/or biological assays. We will also consider the importance of necrosis as a prognostic factor. Then the focus will be on the DAMPs and their role in the tumor microenvironment (TME). We will address not only their interactions with the malignant cells, frequently leading to cancer progression, but also with the immune cells and their contribution to immunosuppression. Finally, we will emphasize the role of DAMPs released by necrotic cells in the activation of Toll-like receptors (TLRs) and the possible contributions of TLRs to tumor development. This last point is very important for the future of cancer therapeutics since there are attempts to use TLR artificial ligands for cancer therapeutics.
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Im GY. Emerging Biomarkers in Alcohol-associated Hepatitis. J Clin Exp Hepatol 2023; 13:103-115. [PMID: 36647419 PMCID: PMC9840081 DOI: 10.1016/j.jceh.2022.07.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/14/2022] [Accepted: 07/17/2022] [Indexed: 01/19/2023] Open
Abstract
Alcohol-associated hepatitis (AH) is a clinical syndrome of jaundice, abdominal pain, and anorexia due to prolonged heavy alcohol intake. AH is associated with changes in gene expression, cytokines, immune response, and the gut microbiome. There are limited biomarkers to diagnose and prognosticate in AH, but several non-invasive biomarkers are emerging. In this review, clinical risk-stratifying algorithms, promising AH biomarkers like cytokeratin-18 fragments, genetic polymorphisms, and microRNAs will be reviewed.
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Key Words
- AH, Alcohol-associated hepatitis
- ALD, alcohol-associated liver disease
- ASCA, anti–Saccharomyces cerevisiae antibodies
- AUC, area under the curve
- FGF, fibroblast growth factor
- GAHS, Glasgow alcohol-associated hepatitis score
- HCC, hepatocellular carcinoma
- MELD, model for end-stage liver disease
- NASH, non-alcohol-associated steatohepatitis
- PPV, positive predictive value
- PT, prothrombin time
- VCTE, vibration-controlled transient elastography
- alcohol-associated hepatitis
- biomarkers
- cytokines
- miRNAs, MicroRNAs
- microRNA
- microbiome
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Affiliation(s)
- Gene Y. Im
- Icahn School of Medicine at Mount Sinai, Division of Liver Diseases, Recanati/Miller Transplantation Institute, New York, NY, USA
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Fujihara J, Takinami Y, Kimura-Kataoka K, Kawai Y, Takeshita H. Cell-free DNA Release in the Plasma of Patients with Cardiac Disease is Associated with Cell Death Processes. Indian J Clin Biochem 2023; 38:67-72. [PMID: 36684502 PMCID: PMC9852365 DOI: 10.1007/s12291-022-01034-y] [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: 01/17/2022] [Accepted: 03/04/2022] [Indexed: 01/25/2023]
Abstract
Cell-free DNA (cfDNA) is released into the plasma of patients with cardiac disease. Here, the source and mechanism of plasma cfDNA release in patients with myocardial infarction (MI) and other cardiac diseases (n = 59) were investigated. Plasma levels of various markers including M30 (apoptosis), M65 (apoptosis and necrosis), cyclophilin A (CyPA) (necrosis), and myeloperoxidase (MPO) (neutrophil activation) were assayed. The plasma cfDNA concentrations in MI and other cardiac diseases were significantly higher than that in the healthy control subjects. Significant differences were not observed among the cardiac disease patients (MI and other cardiac diseases) and healthy control subjects in M30, M65, and CyPA levels. In contrast,the MPO levels were significantly elevated in cardiac disease patients when compared to control groups, and MPO levels in MI patients were significantly higher than other cardiac diseases patients. These results suggest that cfDNA is mainly released by neutrophils via NETosis in addition to apoptosis except for epithelial apoptosis in patients with cardiac disease and the degree is greater in MI patients. The results from this study provide basic information for diagnosis marker of MI.
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Affiliation(s)
- Junko Fujihara
- Department of Legal Medicine, Shimane University Faculty of Medicine, 89-1 Enya, 693-8501 Izumo, Shimane, Japan
| | - Yoshikazu Takinami
- Department of Emergency Medicine, Fukui Kosei Hospital, 201 Shimorokujyo, 918-8537 Fukui, Fukui Japan
| | - Kaori Kimura-Kataoka
- Department of Legal Medicine, Shimane University Faculty of Medicine, 89-1 Enya, 693-8501 Izumo, Shimane, Japan
| | - Yasuyuki Kawai
- Department of Cardiology, Kanazawa Medical University, 1-1 Daigaku, 920-0293 Uchinada, Kanazawa, Ishikawa Japan
| | - Haruo Takeshita
- Department of Legal Medicine, Shimane University Faculty of Medicine, 89-1 Enya, 693-8501 Izumo, Shimane, Japan
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Tojo K, Yamamoto N, Tamada N, Mihara T, Abe M, Nishii M, Takeuchi I, Goto T. Early alveolar epithelial cell necrosis is a potential driver of COVID-19-induced acute respiratory distress syndrome. iScience 2022; 26:105748. [PMID: 36507222 PMCID: PMC9722615 DOI: 10.1016/j.isci.2022.105748] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 10/30/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) with COVID-19 is aggravated by hyperinflammatory responses even after the peak of the viral load has passed; however, its underlying mechanisms remain unclear. In the present study, analysis of the alveolar tissue injury markers and epithelial cell death markers in patients with COVID-19 revealed that COVID-19-induced ARDS was characterized by alveolar epithelial necrosis at an early disease stage. Serum levels of HMGB-1, one of the DAMPs released from necrotic cells, were also significantly elevated in these patients. Further analysis using a mouse model mimicking COVID-19-induced ARDS showed that the alveolar epithelial cell necrosis involved two forms of programmed necrosis, namely necroptosis, and pyroptosis. Finally, the neutralization of HMGB-1 attenuated alveolar tissue injury in the mouse model. Collectively, necrosis, including necroptosis and pyroptosis, is the predominant form of alveolar epithelial cell death at an early disease stage and subsequent release of DAMPs is a potential driver of COVID-19-induced ARDS.
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Affiliation(s)
- Kentaro Tojo
- Department of Anesthesiology and Critical Care Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan,Corresponding author
| | - Natsuhiro Yamamoto
- Department of Anesthesiology and Critical Care Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Nao Tamada
- Department of Anesthesiology and Critical Care Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan,Department of Paramedic, Kyorin University Faculty of Health Sciences, Mitaka, Tokyo, Japan
| | - Takahiro Mihara
- Department of Health Data Science, Yokohama City University Graduate School of Data Science, Yokohama, Kanagawa, Japan
| | - Miyo Abe
- Department of Anesthesiology and Critical Care Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Mototsugu Nishii
- Department of Emergency Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Ichiro Takeuchi
- Department of Emergency Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Takahisa Goto
- Department of Anesthesiology and Critical Care Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
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10
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Suppression Effects of Excessively Expressed Gene BCL-2 in Cell Lines of Prostate Cancer. MACEDONIAN VETERINARY REVIEW 2022. [DOI: 10.2478/macvetrev-2022-0028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Abstract
The aim of this study was to construct two plasmid-specific shRNA transcripts of the bcl-2 gene in order to prepare for reverse of cell apoptosis. The plasmid was designed according to a previously published sequence of interfering RNA following an appropriate reference, using appropriate software. By annulling complementary oligonucleotides, double-stranded inserts were formed. Recombinant shRNA-encoding plasmids were constructed by digestion of psiRNA-x7SKGFPzeo plasmid (psiRNA-x7SKGFPzeo, with restrictive endonuclease BbsI electrophoresis in ultra-pure agarose with low melting point (LMP-Agarose). For each of the constructs, a suitable double-stranded insert downstream of x7SK (strong RNA III promoter) with T4 DNA ligase was cloned. The control plasmid psiRNAScr was used directly for transformation. The PC-3 cell lines were transfected with 2 plasmids, psiRNA-Bcl-2 and psiRNAScr to suppress the bcl-2 gene construct. The results have shown that the lowest level of bcl-2 genes was 48 h, and even lower 72 h after the transfer, and the mRNA levels returned to normal in 120 h. An increase in the percentage of cells with spontaneous apoptosis has been observed with successful inhibition of the bcl-2 gene. The induction of apoptosis in transfected cells increased the percentage of necrotic cells proportionally. The percentage of apoptotic cells transfected with psiRNA-bcl-2 plasmid increased proportionally to the increase of hydrogen peroxide concentration. The transfection of the PC-3 cell line from prostate cancer with constructed shRNA plasmid has induced suppression of bcl-2 gene expression versus control Scr plasmid. Suppression of bcl-2 gene expression significantly increased cell sensitivity to apoptosis induction.
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11
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Eguchi A, Iwasa M, Tamai Y, Yamada M, Okuno K, Shigefuku R, Yoshikawa K, Tempaku M, Sakaguchi K, Tanaka H, Sugimoto K, Kobayashi Y, Yamaguchi T, Nakagawa H. The prognostic potential of fragmented CK18 serum levels in HCC patients reflecting disease progression and overall hepatocyte damage. Front Oncol 2022; 12:993705. [PMID: 36081568 PMCID: PMC9446083 DOI: 10.3389/fonc.2022.993705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/03/2022] [Indexed: 11/20/2022] Open
Abstract
Background Fragmented cytokeratin 18 (fCK18) is released from damaged hepatocytes undergoing apoptosis and is recognized as a liver condition biomarker. We have developed a highly sensitive serum fCK18 CLEIA and reported that serum levels of this caspase-derived protein were significantly associated with hepatocyte ballooning, thus assisting in the accurate diagnosis of nonalcoholic steatohepatitis (NASH). We aim to investigate serum fCK18 levels in a variety of chronic liver diseases and to explore its potential as a prognostic marker of survival in hepatocellular carcinoma (HCC) patients. Methods Serum fCK18 levels were measured using a highly sensitive CLEIA in 497 chronic liver disease patients (297 outpatients and 200 hospitalized with HCC). Results In 497 chronic liver disease patients, serum fCK18 levels were significantly correlated with overall liver condition, including ALT, FIB-4 index and albumin-bilirubin (ALBI) score and were significantly increased in patients with HCC. In 200 HCC patients, serum fCK18 levels were significantly correlated with alpha-fetoprotein (AFP) and des-gamma-carboxy prothrombin (DCP), and were significantly associated with HCC stage, whereas FIB-4 index and ALBI score were not changed based on HCC stage. The Survival group had significantly lower levels of serum fCK18, AFP, DCP, FIB-4 index and ALBI score. A ROC analysis yield area under the curve (AUC) value of 0.728 for serum fCK18 is a significantly high value when compared to AUC measurements for other factors. Notably, AUROC values for serum fCK18 levels were constant in the short- and long-term by time-dependent ROC analysis for the prediction of HCC patient survival. HCC patients with serum fCK18 measured at < 1.15 ng/mL, AFP < 7.7 ng/mL, DCP < 133 mAU/mL, ALBI score < -2.97 or FIB-4 index < 6.4 had significantly longer rates of survival when compared to patients with values exceeding these thresholds. Serum fCK18 (HR, 3.5; P < 0.0001), DCP (HR, 3.2; P < 0.0001) and Barcelona Clinic Liver Cancer (BCLC) (HR, 2.4; P = 0.001) values were independent predictors of patient survival. [Conclusion] Serum fCK18 levels reflect overall liver function, the level of liver fibrosis and the progression of HCC, and are a potential predictor of survival in HCC patients.
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Affiliation(s)
- Akiko Eguchi
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
- *Correspondence: Akiko Eguchi,
| | - Motoh Iwasa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Yasuyuki Tamai
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Minori Yamada
- Bio-Reagent Material Development, Bio-Diagnostic Reagent Technology Center, Sysmex Corporation, Kobe, Japan
| | - Koji Okuno
- Scientific Affairs, Sysmex Corporation, Kobe, Japan
| | - Ryuta Shigefuku
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Kyoko Yoshikawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Mina Tempaku
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Koji Sakaguchi
- Bio-Reagent Material Development, Bio-Diagnostic Reagent Technology Center, Sysmex Corporation, Kobe, Japan
| | - Hideaki Tanaka
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Kazushi Sugimoto
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Yoshinao Kobayashi
- Center for Physical and Mental Health, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Tetsuji Yamaguchi
- Manufacturing Technology Development 1, Reagent Production, Sysmex Corporation, Kobe, Japan
| | - Hayato Nakagawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
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12
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Eguchi A, Iwasa M, Yamada M, Tamai Y, Shigefuku R, Hasegawa H, Hirokawa Y, Hayashi A, Okuno K, Matsushita Y, Nakatsuka T, Enooku K, Sakaguchi K, Kobayashi Y, Yamaguchi T, Watanabe M, Takei Y, Nakagawa H. A new detection system for serum fragmented cytokeratin 18 as a biomarker reflecting histologic activities of human nonalcoholic steatohepatitis. Hepatol Commun 2022; 6:1987-1999. [PMID: 35485207 PMCID: PMC9315117 DOI: 10.1002/hep4.1971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 04/02/2022] [Accepted: 04/10/2022] [Indexed: 12/13/2022] Open
Abstract
Caspase-generated fragmented cytokeratin 18 (fCK18) is recognized as a useful noninvasive biomarker in the diagnosis of nonalcoholic fatty liver disease (NAFLD), particularly nonalcoholic steatohepatitis (NASH). However, fCK18 measurement is not applied clinically due to widely variable cut-off values under the current enzyme-linked immunosorbent assay platform. Therefore, we developed a highly sensitive chemiluminescent enzyme immunoassay using newly developed monoclonal antibodies against fCK18 and investigated its relevance in NASH diagnosis. Serum fCK18 levels were measured in the derivation and validation cohort. The correlation between serum fCK18 levels and NAFLD activity score (NAS), fibrosis stage, and liver function was examined. Serum fCK18 levels were significantly correlated with alanine aminotransferase (ALT), aspartate aminotransferase (AST), and gamma-glutamyl transpeptidase. Serum fCK18 levels were significantly associated with NAS, Brunt's grade/stage, Matteoni's classification, portal inflammation, and fat accumulation in the liver. Notably, hepatocyte ballooning was the only independent variable significantly associated with serum fCK18 in the multivariate linear regression analysis. Serum fCK18 levels were significantly elevated in patients with NAFLD and nonalcoholic fatty liver (NAFL) compared to healthy individuals. They were also significantly elevated in patients with NAFL compared to NASH defined by NAS or Matteoni's classification, with area under the curve values being 0.961 (NAFLD vs. healthy), 0.913 (NAFL vs. healthy), 0.763 (NASH vs. NAFL), and 0.796 (NASH type 3-4 vs. NAFL type 1-2). These results were confirmed by a validation cohort. Notably, changes over time in serum fCK18 levels were significantly correlated with changes in ALT, AST, and the fibrosis-4 index in 25 patients who underwent lifestyle modification. Serum fCK18 levels were significantly correlated with liver damage associated with NASH pathology. Serum fCK18 levels are accurate in distinguishing patients with NAFL or NASH from healthy individuals and may be useful to monitor NASH over time.
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Affiliation(s)
- Akiko Eguchi
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan.,JST, PRESTOKawaguchiJapan
| | - Motoh Iwasa
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan
| | - Minori Yamada
- Bio-Reagent Material DevelopmentBio-Diagnostic Reagent Technology CenterSysmex CorporationKobeJapan
| | - Yasuyuki Tamai
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan
| | - Ryuta Shigefuku
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan
| | - Hiroshi Hasegawa
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan
| | - Yoshifumi Hirokawa
- Department of Oncologic PathologyGraduate School of MedicineMie UniversityTsuJapan
| | - Akinobu Hayashi
- Department of Oncologic PathologyGraduate School of MedicineMie UniversityTsuJapan
| | - Koji Okuno
- Scientific AffairsSysmex CorporationKobeJapan
| | | | | | | | - Koji Sakaguchi
- Bio-Reagent Material DevelopmentBio-Diagnostic Reagent Technology CenterSysmex CorporationKobeJapan
| | - Yoshinao Kobayashi
- Center for Physical and Mental HealthGraduate School of MedicineMie UniversityTsuJapan
| | - Tetsuji Yamaguchi
- Manufacturing Technology Development 2, Reagent ProductionSysmex CorporationKobeJapan
| | - Masatoshi Watanabe
- Department of Oncologic PathologyGraduate School of MedicineMie UniversityTsuJapan
| | - Yoshiyuki Takei
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan
| | - Hayato Nakagawa
- Department of Gastroenterology and HepatologyGraduate School of MedicineMie UniversityTsuJapan
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13
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Raigani S, Santiago J, Ohman A, Heaney M, Baptista S, Coe TM, de Vries RJ, Rosales I, Shih A, Markmann JF, Gruppuso P, Uygun K, Sanders J, Yeh H. Pan-caspase inhibition during normothermic machine perfusion of discarded livers mitigates ex situ innate immune responses. Front Immunol 2022; 13:940094. [PMID: 35958587 PMCID: PMC9360556 DOI: 10.3389/fimmu.2022.940094] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/04/2022] [Indexed: 12/04/2022] Open
Abstract
Access to liver transplantation is limited by a significant organ shortage. The recent introduction of machine perfusion technology allows surgeons to monitor and assess ex situ liver function prior to transplantation. However, many donated organs are of inadequate quality for transplant, though opportunities exist to rehabilitate organ function with adjunct therapeutics during normothermic machine perfusion. In this preclinical study, we targeted the apoptosis pathway as a potential method of improving hepatocellular function. Treatment of discarded human livers during normothermic perfusion with an irreversible pan-caspase inhibitor, emricasan, resulted in significant mitigation of innate immune and pro-inflammatory responses at both the transcriptional and protein level. This was evidenced by significantly decreased circulating levels of the pro-inflammatory cytokines, interleukin-6, interleukin-8, and interferon-gamma, compared to control livers. Compared to emricasan-treated livers, untreated livers demonstrated transcriptional changes notable for enrichment in pathways involved in innate immunity, leukocyte migration, and cytokine-mediated signaling. Targeting of unregulated apoptosis may represent a viable therapeutic intervention for immunomodulation during machine perfusion.
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Affiliation(s)
- Siavash Raigani
- Division of Transplant Surgery, Massachusetts General Hospital, Boston, MA, United States
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - John Santiago
- Department of Pediatrics, Rhode Island Hospital and Brown University, Providence, RI, United States
| | - Anders Ohman
- Department of Pediatrics, Rhode Island Hospital and Brown University, Providence, RI, United States
| | - Megan Heaney
- Department of Pediatrics, Rhode Island Hospital and Brown University, Providence, RI, United States
| | - Sofia Baptista
- Division of Transplant Surgery, Massachusetts General Hospital, Boston, MA, United States
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Taylor M. Coe
- Division of Transplant Surgery, Massachusetts General Hospital, Boston, MA, United States
| | - Reinier J. de Vries
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Ivy Rosales
- Department of Pathology, Massachusetts General Hospital, Boston, MA, United States
| | - Angela Shih
- Department of Pathology, Massachusetts General Hospital, Boston, MA, United States
| | - James F. Markmann
- Division of Transplant Surgery, Massachusetts General Hospital, Boston, MA, United States
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Philip Gruppuso
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Korkut Uygun
- Division of Transplant Surgery, Massachusetts General Hospital, Boston, MA, United States
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Jennifer Sanders
- Department of Pediatrics, Rhode Island Hospital and Brown University, Providence, RI, United States
- *Correspondence: Heidi Yeh, ; Jennifer Sanders,
| | - Heidi Yeh
- Division of Transplant Surgery, Massachusetts General Hospital, Boston, MA, United States
- *Correspondence: Heidi Yeh, ; Jennifer Sanders,
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14
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Cell Death and Ischemia-Reperfusion Injury in Lung Transplantation. J Heart Lung Transplant 2022; 41:1003-1013. [DOI: 10.1016/j.healun.2022.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/06/2022] [Accepted: 05/20/2022] [Indexed: 11/17/2022] Open
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15
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Xia T, Zhang Z, Zhang X, Li Q. Hsa-miR-186-3p suppresses colon cancer progression by inhibiting KRT18/MAPK signaling pathway. Cell Cycle 2022; 21:741-753. [PMID: 35258413 PMCID: PMC8973355 DOI: 10.1080/15384101.2021.2023305] [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: 07/09/2021] [Accepted: 12/09/2021] [Indexed: 11/03/2022] Open
Abstract
This study aimed to determine the effect of miR-186-3p and KRT18 interaction on the biological behavior of colon cancer cells. A biotin-microRNA pull-down assay was performed to identify potential miRNAs. qRT-PCR was used to verify the KRT18 and miR-186-3p levels. In addition, Western blotting was used to detect the KRT18 protein levels. The functional connection between KRT18 and miR-186-3p was confirmed using a dual luciferase reporter assay. BrdU incorporation, MTT assay, and flow cytometry were performed to verify the biological function coupled with in vivo assays. A significant decrease in miR-186-3p expression was observed in colon carcinoma tissues and cells. Functionally, overexpression of miR-186-3p displayed an obvious suppressive action on cell proliferation and viability, and a stimulatory action on the apoptotic ability of SW620 and SW480 cells. Conversely, reduced miR-186-3p had a marked stimulatory effect on proliferation and viability, and a suppressive apoptotic effect. Inhibition of tumorigenesis was observed in mice treated with the miR-186-3p agomir. Furthermore, we identified that miR-186-3p regulated KRT18 levels in colon carcinoma, where silenced KRT18 suppressed proliferation and viability and promoted apoptosis. However, the addition of a miR-186-3p inhibitor weakened the effects of si-KRT18. Additionally, the activation of MAPK signaling pathway upon miR-186-3p silencing was antagonized by the combined transfection of si-KRT18 and miR-186-3p inhibitor. miR-186-3p suppresses proliferation and viability, but facilitates apoptosis in colon cancer cells by targeting KRT18 and negatively regulating the MAPK signaling pathway, indicating that the miR-186-3p/KRT18 axis may be a promising therapeutic target for colon carcinoma.Abbreviations: KRT18: keratin 18; NC: negative control; si‑: small interfering RNA; inhibitor: miR-186-3p inhibitor; OD: optical density; PI: propidium iodide; FITC: fluorescein isothiocyanate; 3'UTR: 3'untranslated region; WT: wild-type; MUT: mutant-type; miR: microRNA.
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Affiliation(s)
- Tian Xia
- Department of Anorectal Surgery, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan 430000, Hubei, China
| | - Zhiyong Zhang
- Department of Colorectal Anal Surgery, Zhengzhou University First Affiliated Hospital, Zhengzhou 450000, Henan, China
| | - Xin Zhang
- Department of Colorectal Anal Surgery, Zhengzhou University First Affiliated Hospital, Zhengzhou 450000, Henan, China
| | - Quanfu Li
- Department of General Surgery, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan 430000, Hubei, China
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16
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Ortmayr G, Brunnthaler L, Pereyra D, Huber H, Santol J, Rumpf B, Najarnia S, Smoot R, Ammon D, Sorz T, Fritsch F, Schodl M, Voill-Glaninger A, Weitmayr B, Födinger M, Klimpfinger M, Gruenberger T, Assinger A, Mikulits W, Starlinger P. Immunological Aspects of AXL/GAS-6 in the Context of Human Liver Regeneration. Hepatol Commun 2022; 6:576-592. [PMID: 34951136 PMCID: PMC8870037 DOI: 10.1002/hep4.1832] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 08/03/2021] [Accepted: 08/22/2021] [Indexed: 12/13/2022] Open
Abstract
AXL and its corresponding ligand growth arrest-specific 6 (GAS-6) are critically involved in hepatic immunomodulation and regenerative processes. Pleiotropic inhibitory effects on innate inflammatory responses might essentially involve the shift of macrophage phenotype from a pro-inflammatory M1 to an anti-inflammatory M2. We aimed to assess the relevance of the AXL/GAS-6-pathway in human liver regeneration and, consequently, its association with clinical outcome after hepatic resection. Soluble AXL (sAXL) and GAS-6 levels were analyzed at preoperative and postoperative stages in 154 patients undergoing partial hepatectomy and correlated with clinical outcome. Perioperative dynamics of interleukin (IL)-6, soluble tyrosine-protein kinase MER (sMerTK), soluble CD163 (sCD163), and cytokeratin (CK) 18 were assessed to reflect pathophysiological processes. Preoperatively elevated sAXL and GAS-6 levels predicted postoperative liver dysfunction (area under the curve = 0.721 and 0.722; P < 0.005) and worse clinical outcome. These patients failed to respond with an immediate increase of sAXL and GAS-6 upon induction of liver regeneration. Abolished AXL pathway response resulted in a restricted increase of sCD163, suggesting a disrupted phenotypical switch to regeneratory M2 macrophages. No association with sMerTK was observed. Concomitantly, a distinct association of IL-6 levels with an absent increase of AXL/GAS-6 signaling indicated pronounced postoperative inflammation. This was further supported by increased intrahepatic secondary necrosis as reflected by CK18M65. sAXL and GAS-6 represent not only potent and easily accessible preoperative biomarkers for the postoperative outcome but also AXL/GAS-6 signaling might be of critical relevance in human liver regeneration. Refractory AXL/GAS-6 signaling, due to chronic overactivation/stimulation in the context of underlying liver disease, appears to abolish their immediate release following induction of liver regeneration, causing overwhelming immune activation, presumably via intrahepatic immune regulation.
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Affiliation(s)
- Gregor Ortmayr
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Laura Brunnthaler
- Center of Physiology and PharmacologyInstitute of Vascular Biology and Thrombosis ResearchMedical University of ViennaViennaAustria
| | - David Pereyra
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria.,Center of Physiology and PharmacologyInstitute of Vascular Biology and Thrombosis ResearchMedical University of ViennaViennaAustria
| | - Heidemarie Huber
- Department of Medicine IInstitute of Cancer ResearchComprehensive Cancer CenterMedical University of ViennaViennaAustria
| | - Jonas Santol
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Benedikt Rumpf
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Sina Najarnia
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Rory Smoot
- Department of SurgeryMayo ClinicRochesterMNUSA
| | - Daphni Ammon
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Thomas Sorz
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Fabian Fritsch
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Michael Schodl
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria
| | - Astrid Voill-Glaninger
- Department of Laboratory MedicineViennese Health Network, Clinic LandstraßeViennaAustria
| | - Barbara Weitmayr
- Department of PathologyViennese Health Network, Clinic LandstraßeViennaAustria
| | - Manuela Födinger
- Department of Laboratory MedicineViennese Health NetworkClinic FavoritenViennaAustria
| | - Martin Klimpfinger
- Department of PathologyViennese Health NetworkClinic FavoritenViennaAustria
| | - Thomas Gruenberger
- Department of SurgeryHPB Center, Viennese Health Network, Clinic Favoriten and Sigmund Freud Private UniversityViennaAustria
| | - Alice Assinger
- Center of Physiology and PharmacologyInstitute of Vascular Biology and Thrombosis ResearchMedical University of ViennaViennaAustria
| | - Wolfgang Mikulits
- Department of Medicine IInstitute of Cancer ResearchComprehensive Cancer CenterMedical University of ViennaViennaAustria
| | - Patrick Starlinger
- Department of SurgeryMedical University of ViennaGeneral HospitalViennaAustria.,Department of SurgeryMayo ClinicRochesterMNUSA
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17
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Urano-Takaoka M, Sumida H, Miyagawa T, Awaji K, Nagai K, Omatsu J, Miyake T, Sato S. Serum Cytokeratin 18 as a Metastatic and Therapeutic Marker for Extramammary Paget's Disease. Acta Derm Venereol 2021; 102:adv00636. [PMID: 34904690 DOI: 10.2340/actadv.v101.866] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Extramammary Paget's disease (EMPD) is a rare cutaneous adenocarcinoma with unfavorable prognosis once it becomes invasive. A tumor marker that reflects disease progression is required for adequate management of this disease. Cytokeratin 18 is highly expressed in many types of cancer and its soluble forms are detected by M30 (for caspase-cleaved form) and M65 (for both caspase-cleaved and intact forms) assays. Here, we report that tumor cells of EMPD in both lesional skin and lymph node metastasis are positive for CK18 immunohistochemically and the baseline serum M30 and M65 levels in metastatic EMPD patients are significantly higher than those in non-metastatic patients. In addition, serial serum M30 and M65 levels might reflect recurrence of EMPD and response to chemotherapy. These results suggest that serum CK18 levels may be a useful tumor marker for advanced EMPD.
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Affiliation(s)
| | - Hayakazu Sumida
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, 113-8655 Tokyo, Japan.
| | - Takuya Miyagawa
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, , Japan.
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18
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Anselm V, Sommersdorf C, Carrasco-Triguero M, Katavolos P, Planatscher H, Steinhilber A, Joos T, Poetz O. Matrix and Sampling Effects on Quantification of Protein Biomarkers of Drug-Induced Liver Injury. J Proteome Res 2021; 20:4985-4994. [PMID: 34554759 DOI: 10.1021/acs.jproteome.1c00478] [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: 11/30/2022]
Abstract
Macrophage colony stimulating factor 1 receptor (MCSF1R), osteopontin (OPN), high-mobility group protein B1 (HMGB1), glutamate dehydrogenase (GLDH), keratin 18 (K18), and caspase-cleaved keratin 18 (ccK18) are considered promising mechanistic biomarkers for the diagnosis of drug-induced liver injury. Here, we aim to elucidate the impact of the sample matrix and handling on the quantification of these emerging protein biomarkers. We investigated effects such as time from collection to centrifugation during serum (± gel) or EDTA plasma preparation on two assay platforms: immunoaffinity liquid chromatography mass spectrometric assays and sandwich immunoassays. Furthermore, we measured GLDH activity with an enzymatic activity assay. Matrix effects were observed particularly for HMGB1 and MCSF1R. HMGB1 levels were higher in serum than in plasma, whereas higher concentrations of MCSF1R were observed in plasma than in serum. A comparison of sample collection to centrifugation time ranging from 15 to 60 min demonstrated increasing levels of HMGB1 in serum, while MCSF1R, OPN, GLDH, and ccK18 concentrations remained stable. Additionally, there was a poor correlation in HMGB1 and ccK18 levels between serum and plasma. Considering the observed matrix effects, we recommend plasma as a matrix of choice and cross-study comparison studies to be limited to those using the same matrix.
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Affiliation(s)
| | | | | | - Paula Katavolos
- Genentech, San Francisco, California 94080, United States.,Bristol-Myers Squibb, New Brunswick, New Jersey 08901, United States (at Genentech during the conduct of this study)
| | | | | | - Thomas Joos
- SIGNATOPE GmbH, Reutlingen 72770, Germany.,NMI Natural and Medical Sciences Institute at the University of Tuebingen, Reutlingen 72770, Germany
| | - Oliver Poetz
- SIGNATOPE GmbH, Reutlingen 72770, Germany.,NMI Natural and Medical Sciences Institute at the University of Tuebingen, Reutlingen 72770, Germany
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19
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Korver S, Bowen J, Pearson K, Gonzalez RJ, French N, Park K, Jenkins R, Goldring C. The application of cytokeratin-18 as a biomarker for drug-induced liver injury. Arch Toxicol 2021; 95:3435-3448. [PMID: 34322741 PMCID: PMC8492595 DOI: 10.1007/s00204-021-03121-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/15/2021] [Indexed: 01/13/2023]
Abstract
Drug-induced liver injury (DILI) is a frequent and dangerous adverse effect faced during preclinical and clinical drug therapy. DILI is a leading cause of candidate drug attrition, withdrawal and in clinic, is the primary cause of acute liver failure. Traditional diagnostic markers for DILI include alanine aminotransferase (ALT), aspartate aminotransferase (AST) and alkaline phosphatase (ALP). Yet, these routinely used diagnostic markers have several noteworthy limitations, restricting their sensitivity, specificity and accuracy in diagnosing DILI. Consequently, new biomarkers for DILI need to be identified.A potential biomarker for DILI is cytokeratin-18 (CK18), an intermediate filament protein highly abundant in hepatocytes and cholangiocytes. Extensively researched in a variety of clinical settings, both full length and cleaved forms of CK18 can diagnose early-stage DILI and provide insight into the mechanism of hepatocellular injury compared to traditionally used diagnostic markers. However, relatively little research has been conducted on CK18 in preclinical models of DILI. In particular, CK18 and its relationship with DILI is yet to be characterised in an in vivo rat model. Such characterization of CK18 and ccCK18 responses may enable their use as translational biomarkers for hepatotoxicity and facilitate management of clinical DILI risk in drug development. The aim of this review is to discuss the application of CK18 as a biomarker for DILI. Specifically, this review will highlight the properties of CK18, summarise clinical research that utilised CK18 to diagnose DILI and examine the current challenges preventing the characterisation of CK18 in an in vivo rat model of DILI.
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Affiliation(s)
- Samantha Korver
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, UK.
- Adelaide Medical School, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, Australia.
| | - Joanne Bowen
- Adelaide Medical School, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, Australia
| | | | | | - Neil French
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, UK
| | - Kevin Park
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, UK
| | - Rosalind Jenkins
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, UK
| | - Christopher Goldring
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, UK
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20
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Spyridopoulou K, Aindelis G, Pappa A, Chlichlia K. Anticancer Activity of Biogenic Selenium Nanoparticles: Apoptotic and Immunogenic Cell Death Markers in Colon Cancer Cells. Cancers (Basel) 2021; 13:5335. [PMID: 34771499 PMCID: PMC8582357 DOI: 10.3390/cancers13215335] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/14/2021] [Accepted: 10/21/2021] [Indexed: 12/18/2022] Open
Abstract
Colorectal cancer is a health problem with high mortality rates and prevalence. Thus, innovative treatment approaches need to be developed. Biogenic nanoparticles are nanomaterials that can be synthesised in biological systems and, compared to chemically synthesised nanoparticles, have better bioavailability while being more cost-effective, eco-friendlier, and less toxic. In our previous studies, the probiotic strain Lactobacillus casei ATCC 393 was used to synthesise selenium nanoparticles (SeNps), which were shown to inhibit colon cancer cell growth in vitro and in vivo. Herein, we have further investigated SeNps' pro-apoptotic activity and their ability to induce immunogenic cell death (ICD) in colon cancer cells. The SeNps' effect on Caco-2 cells growth was examined along with their potential to induce caspase activation. Moreover, the expression of typical pro-apoptotic and ICD markers were examined in SeNps-treated HT29 and CT26 cells by flow cytometry, Western blot, ELISA and fluorescence microscopy. Elevated caspase-3 activation and surface phosphatyldoserine, that subsided upon co-incubation with a pan-caspase inhibitor, were detected in SeNps-treated cells. Furthermore, nanoparticles induced modulation of the expression of various apoptosis-related proteins. We also report the detection of biomarkers involved in ICD, namely the translocation of calreticulin and ERp57, the release of HMGB1 and ATP, and the secretion of pro-inflammatory cytokines from SeNps-treated cells. Moreover, RAW246.7 macrophages exhibited a higher rate of phagocytosis against treated CT26 when compared to control cells. Taken together, our findings indicate that treatment with SeNps might be an efficient strategy to destroy tumour cells by inducing apoptotic cell death and triggering immune responses.
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Affiliation(s)
| | | | | | - Katerina Chlichlia
- Department of Molecular Biology and Genetics, Democritus University of Thrace, University Campus Dragana, 68100 Alexandroupolis, Greece; (K.S.); (G.A.); (A.P.)
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21
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Development of a highly sensitive chemiluminescent enzyme immunoassay for fragmented cytokeratin 18 using new antibodies. Sci Rep 2021; 11:18187. [PMID: 34521905 PMCID: PMC8440549 DOI: 10.1038/s41598-021-97439-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 08/23/2021] [Indexed: 12/18/2022] Open
Abstract
Fragmented cytokeratin 18 (fCK18) released from epithelial cells undergoing apoptosis is widely studied in various diseases. However, fCK18 measurement is not utilized in clinical practice due to imprecise disease-state cutoff values. Therefore, we set out to generate new monoclonal antibodies (mAbs) and a recombinant fCK18 (rfCK18) calibrator in an effort to develop a highly sensitive chemiluminescent enzyme immunoassay (CLEIA). New capture mAb (K18-624) had a high binding ability compared to the current commercial antibody. New detection mAb (K18-328) recognized 323S-340G of CK18. A rfCK18 was expressed in the soluble fraction of E. coli when the N-terminal region (260 amino acid residues) of CK18 was truncated. Analysis of performance and measurement of human fCK18 were evaluated using K18-624 and K18-328 in a highly sensitive CLEIA. The coefficients of variation (CV) for within-run and between-day repeatability were below 10% and the recoveries were in the range of 15%. The detection sensitivity was 0.056 ng/mL. Serum fCK18 levels were significantly increased in non-alcoholic steatohepatitis (NASH) patients when compared to healthy individuals. Our new fCK18 mAbs showed high affinity and sensitivity. CLEIA using our new antibodies will be useful in measuring fCK18 in human blood thereby generating accurate clinical diagnoses of human liver diseases.
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22
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Abstract
Alcoholic hepatitis (AH) is a clinical syndrome of jaundice, abdominal pain, and anorexia due to prolonged heavy alcohol intake, and is associated with alterations in gene expression, cytokines, immune response, and the gut microbiome. Currently, we have limited biomarkers to diagnose and prognosticate in AH, but there are many novel noninvasive biomarkers under development. We evaluate the currently used algorithms to risk-stratify in AH (such as the Maddrey modified discriminant function), and discuss novel biomarkers in development, such as breath biomarkers, microRNAs, cytokeratin-18 fragments, and the AshTest. We also review the characteristics of an ideal biomarker in AH.
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Affiliation(s)
- Stephanie M Rutledge
- Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, 1468 Madison Avenue, Annenberg Building Room 5-12, New York, NY 10029, USA.
| | - Gene Y Im
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, Recanati/Miller Transplantation Institute, 5 East 98th Street, New York, NY 10029, USA
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23
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Intke C, Korpelainen S, Lappalainen M, Vänskä M, Hämäläinen S, Pulkki K, Jantunen E, Juutilainen A, Purhonen AK. Serum caspase-cleaved cytokeratin-18 fragment as a prognostic biomarker in hematological patients with febrile neutropenia. Clin Exp Med 2021; 22:83-93. [PMID: 34255216 PMCID: PMC8863728 DOI: 10.1007/s10238-021-00734-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/21/2021] [Indexed: 11/24/2022]
Abstract
The study aim was to determine the benefit of the measurement of serum caspase-cleaved cytokeratin-18 (CK-18) fragment as a prognostic marker of febrile neutropenia (FN) in hematological patients. The study population consisted of 86 consecutive patients with FN who received intensive chemotherapy for hematological malignancy at the adult hematology ward of Kuopio University Hospital. Twenty-three patients (27%) had acute myeloid leukemia, and 63 patients (73%) were autologous stem cell transplant recipients. Serum caspase-cleaved CK-18 fragment M30, C-reactive protein (CRP) and procalcitonin (PCT) were measured at the onset of FN (d0), on day 1 (d1), and on day 2 (d2). Eight patients (9%) developed severe sepsis, including three patients with septic shock. Eighteen patients (21%) had a blood culture-positive infection. Serum CK-18 fragment peaked on the first day after fever onset in patients with severe sepsis. Higher CK-18 level was associated with severe sepsis, intensive care unit treatment, and fatal outcome, but not with blood culture positivity. In ROC curve analysis, d1 serum CK-18 fragment predicted severe sepsis with an area under the curve (AUC) of 0.767, CRP with an AUC of 0.764, and PCT with an AUC of 0.731. On d2, the best predictive capacity was observed for CRP with an AUC of 0.832. The optimal cutoff of caspase-cleaved CK-18 fragment M30 for predicting severe sepsis was 205 U/L on d1. In hematological patients, serum CK-18 fragment was found to be a potential prognostic marker of severe sepsis at early stages of FN.
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Affiliation(s)
- Carina Intke
- Department of Medicine, Institute of Clinical Medicine/Internal Medicine, Kuopio University Hospital, P.O.B. 100, 70029 KYS, Kuopio, Finland.
| | - Sini Korpelainen
- Siun Sote - Hospital District of North Carelia, Joensuu, Finland
| | - Marika Lappalainen
- Department of Medicine, Institute of Clinical Medicine/Internal Medicine, Kuopio University Hospital, P.O.B. 100, 70029 KYS, Kuopio, Finland
| | - Matti Vänskä
- Department of Internal Medicine, Tampere University Hospital, Tampere, Finland.,Department of Internal Medicine, Seinäjoki Central Hospital, Seinäjoki, Finland
| | - Sari Hämäläinen
- Department of Medicine, Institute of Clinical Medicine/Internal Medicine, Kuopio University Hospital, P.O.B. 100, 70029 KYS, Kuopio, Finland
| | - Kari Pulkki
- Diagnostic Center, Helsinki University Hospital, Helsinki, Finland.,Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland
| | - Esa Jantunen
- Department of Medicine, Institute of Clinical Medicine/Internal Medicine, Kuopio University Hospital, P.O.B. 100, 70029 KYS, Kuopio, Finland.,Siun Sote - Hospital District of North Carelia, Joensuu, Finland.,Institute of Clinical Medicine/Internal Medicine, University of Eastern Finland, Kuopio, Finland
| | - Auni Juutilainen
- Institute of Clinical Medicine/Internal Medicine, University of Eastern Finland, Kuopio, Finland
| | - Anna-Kaisa Purhonen
- Department of Internal Medicine, South Carelia Central Hospital, South Carelia Social and Health Care District (Eksote), Lappeenranta, Finland
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24
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Chen B, Xu X, Lin DD, Chen X, Xu YT, Liu X, Dong WG. KRT18 Modulates Alternative Splicing of Genes Involved in Proliferation and Apoptosis Processes in Both Gastric Cancer Cells and Clinical Samples. Front Genet 2021; 12:635429. [PMID: 34290732 PMCID: PMC8287183 DOI: 10.3389/fgene.2021.635429] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/26/2021] [Indexed: 12/13/2022] Open
Abstract
Keratin 18 (KRT18), one of the most abundant keratins in epithelial and endothelial cells, has been reported to be aberrantly expressed in many malignancies and extensively regarded as a biomarker and important regulator in multiple cancers, including gastric cancer (GC). But the molecular regulatory mechanisms of KRT18 in GC patients and cells are largely unknown. In the present study, we analyzed the expression level of KRT18 in 450 stomach adenocarcinoma tissue samples from TCGA database and found a significantly higher expression level in tumor tissues. We then explored the potential functions of KRT18 in AGS cells (human gastric adenocarcinoma cell line) by KRT18 knockdown using siRNA and whole transcriptome RNA-seq analysis. Notably, KRT18 selectively regulates expression of cell proliferation and apoptotic genes. Beyond this, KRT18 affects the alternative splicing of genes enriched in apoptosis, cell cycle, and other cancer-related pathways, which were then validated by reverse transcription-quantitative polymerase chain reaction approach. We validated KRT18-KD promoted apoptosis and inhibited proliferation in AGS cells. We then used RNA-seq data of GC samples to further demonstrate the modulation of KRT18 on alternative splicing regulation. These results together support the conclusion that KRT18 extensively modulates diverse alternative splicing events of genes enriched in proliferation and apoptosis processes. And the dysregulated splicing factors at transcriptional or posttranscriptional level by KRT18 may contribute to the alternative splicing change of many genes, which expands the functional importance of keratins in apoptotic and cell cycle pathways at the posttranscriptional level in GC.
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Affiliation(s)
- Biao Chen
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ximing Xu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Dan-dan Lin
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xin Chen
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yang-tao Xu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xin Liu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei-guo Dong
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
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25
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Zdanowicz K, Olanski W, Kowalczuk-Kryston M, Bobrus-Chociej A, Werpachowska I, Lebensztejn DM. Total Keratin-18 (M65) as a Potential, Early, Non-Invasive Biomarker of Hepatocyte Injury in Alcohol Intoxicated Adolescents-A Preliminary Study. Biomolecules 2021; 11:biom11060911. [PMID: 34207346 PMCID: PMC8235074 DOI: 10.3390/biom11060911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Underage drinking is associated with health risk behaviors. Serum keratin-18 (CK18) levels are increased in liver diseases and may be biomarkers of outcome. The purpose of this study was to determine if the total CK18 (M65) or caspase-cleaved CK18 (M30) levels were different in adolescents admitted to hospital because of alcohol intoxication and controls with excluded liver diseases. METHODS A prospective study included 57 adolescents after alcohol use and 23 control subjects. The concentrations of M30 and M65 in the serum samples were evaluated using an enzyme-linked immunosorbent assay. RESULTS The median age was 15 (14-17) years and 49% were male. There were significant differences in M65 levels between the study and control groups (p = 0.03). The concentrations of M30 and M65 were insignificant in adolescents divided into subgroups according to blood alcohol concentrations (BAC). Significant positive correlations were found between BAC and M65 levels (p = 0.038; r = 0.3). In receiver operating characteristic (ROC) analysis M65 (cut-off = 125.966 IU/l, Se = 70.2%, Sp = 43.5%) allowed to differentiate between patients with and without alcohol intoxication (AUC = 0.66, p = 0.03). CONCLUSION M65 appears to be a promising non-invasive biomarker of hepatocyte injury during alcohol intoxication in adolescents. Moreover, a higher concentration of M65 may indicate early organ injury before the increase in the activity of liver enzymes, alanine aminotransferase (ALT) and aspartate aminotransferase (AST).
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Affiliation(s)
- Katarzyna Zdanowicz
- Department of Pediatrics, Gastroenterology, Hepatology, Nutrition and Allergology, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland; (M.K.-K.); (A.B.-C.); (I.W.); (D.M.L.)
- Correspondence: or ; Tel.: +48-857450710
| | - Witold Olanski
- Department of Pediatric Emergency Medicine, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland;
| | - Monika Kowalczuk-Kryston
- Department of Pediatrics, Gastroenterology, Hepatology, Nutrition and Allergology, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland; (M.K.-K.); (A.B.-C.); (I.W.); (D.M.L.)
| | - Anna Bobrus-Chociej
- Department of Pediatrics, Gastroenterology, Hepatology, Nutrition and Allergology, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland; (M.K.-K.); (A.B.-C.); (I.W.); (D.M.L.)
| | - Irena Werpachowska
- Department of Pediatrics, Gastroenterology, Hepatology, Nutrition and Allergology, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland; (M.K.-K.); (A.B.-C.); (I.W.); (D.M.L.)
| | - Dariusz Marek Lebensztejn
- Department of Pediatrics, Gastroenterology, Hepatology, Nutrition and Allergology, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland; (M.K.-K.); (A.B.-C.); (I.W.); (D.M.L.)
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26
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Necrosis Rather Than Apoptosis is the Dominant form of Alveolar Epithelial Cell Death in Lipopolysaccharide-Induced Experimental Acute Respiratory Distress Syndrome Model. Shock 2021; 54:128-139. [PMID: 31365488 DOI: 10.1097/shk.0000000000001425] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Alveolar epithelial cell (AEC) death, which is classified as apoptosis or necrosis, plays a critical role in the pathogenesis of acute respiratory distress syndrome (ARDS). In addition to apoptosis, some types of necrosis are known to be molecularly regulated, and both apoptosis and necrosis can be therapeutic targets for diseases. However, the relative contribution of apoptosis and necrosis to AEC death during ARDS has not been elucidated. Here, we evaluated which type of AEC death is dominant and whether regulated necrosis is involved in lipopolysaccharide (LPS)-induced lung injury, an experimental ARDS model. In the bronchoalveolar lavage fluid from the LPS-induced lung injury mice, both the levels of cytokeratin 18-M65 antigen (a marker of total epithelial cell death) and cytokeratin 18-M30 antigen (an epithelial apoptosis marker) were increased. The M30/M65 ratio, which is an indicator of the proportion of apoptosis to total epithelial cell death, was significantly lower than that in healthy controls. In addition, the number of propidium iodide-positive, membrane-disrupted cells was significantly higher than the number of TUNEL-positive apoptotic cells in the lung sections of lung injury mice. Activated neutrophils seemed to mediate AEC death. Finally, we demonstrated that necroptosis, a regulated necrosis pathway, is involved in AEC death during LPS-induced lung injury. These results indicate that necrosis including necroptosis, rather than apoptosis, is the dominant type of AEC death in LPS-induced lung injury. Although further studies investigating human ARDS subjects are necessary, targeting necrosis including its regulated forms might represent a more efficient approach to protecting the alveolar epithelial barrier during ARDS.
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27
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Morishita A, Nomura K, Tani J, Fujita K, Iwama H, Takuma K, Nakahara M, Tadokoro T, Oura K, Chiyo T, Fujihara S, Niki T, Hirashima M, Nishiyama A, Himoto T, Masaki T. Galectin‑9 suppresses the tumor growth of colon cancer in vitro and in vivo. Oncol Rep 2021; 45:105. [PMID: 33907832 PMCID: PMC8072828 DOI: 10.3892/or.2021.8056] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 02/11/2021] [Indexed: 12/15/2022] Open
Abstract
Colon cancer is the second leading cause of cancer-related mortality worldwide, and the prognosis of advanced colon cancer has remained poor in recent years. Galectin-9 (Gal-9) is a tandem-repeat type galectin that has recently been shown to exert antiproliferative effects on various types of cancer cells. The present study aimed to assess the effects of Gal-9 on human colon and colorectal cancer cells in vitro and in vivo, as well as to evaluate the microRNAs (miRNAs/miRs) associated with the antitumor effects of Gal-9. We examined the ability of Gal-9 to inhibit cell proliferation via apoptosis, and the effects of Gal-9 on cell cycle-related molecules in various human colon and colorectal cancer cell lines. In addition, Gal-9-mediated changes in activated tyrosine kinase receptors and angiogenic molecules were assessed using protein array chips in colon and colorectal cancer cells. Moreover, miRNA array analysis was performed to examine Gal-9-induced miRNA expression profiles. We also elucidated if Gal-9 inhibited tumor growth in a murine in vivo model. We found that Gal-9 suppressed the cell proliferation of colon cancer cell lines in vitro and in vivo. Our data further revealed that Gal-9 increased caspase-cleaved keratin 18 levels in Gal-9-treated colon cancer cells. In addition, Gal-9 enhanced the phosphorylation of ALK, DDR1, and EphA10 proteins. Furthermore, the miRNA expression levels, such as miR-1246, miR-15b-5p, and miR-1237, were markedly altered by Gal-9 treatment in vitro and in vivo. In conclusion, Gal-9 suppresses the cell proliferation of human colon cancer by inducing apoptosis, and these findings suggest that Gal-9 can be a potential therapeutic target in the treatment of colon cancer.
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Affiliation(s)
- Asahiro Morishita
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Kei Nomura
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Joji Tani
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Koji Fujita
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Hisakazu Iwama
- Life Science Research Center, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Kei Takuma
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Mai Nakahara
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Tomoko Tadokoro
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Kyoko Oura
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Taiga Chiyo
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Shintaro Fujihara
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Toshiro Niki
- Department of Immunology and Immunopathology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Mitsuomi Hirashima
- Department of Immunology and Immunopathology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Akira Nishiyama
- Department of Pharmacology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
| | - Takashi Himoto
- Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Mure‑cho, Takamatsu, Kagawa 761‑0123, Japan
| | - Tsutomu Masaki
- Department of Gastroenterology and Neurology, Kagawa University, Faculty of Medicine, Miki‑cho, Kita‑gun, Kagawa 761‑0793, Japan
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28
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Rajendran G, Taylor JA, Woolbright BL. Natural products as a means of overcoming cisplatin chemoresistance in bladder cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2021; 4:69-84. [PMID: 35582013 PMCID: PMC9019192 DOI: 10.20517/cdr.2020.69] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/05/2020] [Accepted: 11/12/2020] [Indexed: 12/17/2022]
Abstract
Cisplatin remains an integral part of the treatment for muscle invasive bladder cancer. A large number of patients do not respond to cisplatin-based chemotherapy and efficacious salvage regimens are limited. Immunotherapy has offered a second line of treatment; however, only approximately 20% of patients respond, and molecular subtyping of tumors indicates there may be significant overlap in those patients that respond to cisplatin and those patients that respond to immunotherapy. As such, restoring sensitivity to cisplatin remains a major hurdle to improving patient care. One potential source of compounds for enhancing cisplatin is naturally derived bioactive products such as phytochemicals, flavonoids and others. These compounds can activate a diverse array of different pathways, many of which can directly promote or inhibit cisplatin sensitivity. The purpose of this review is to understand current drug development in the area of natural products and to assess how these compounds may enhance cisplatin treatment in bladder cancer patients.
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Affiliation(s)
- Ganeshkumar Rajendran
- Department of Urology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - John A Taylor
- Department of Urology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Benjamin L Woolbright
- Department of Urology, University of Kansas Medical Center, Kansas City, KS 66160, USA
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29
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Hu XM, Li ZX, Lin RH, Shan JQ, Yu QW, Wang RX, Liao LS, Yan WT, Wang Z, Shang L, Huang Y, Zhang Q, Xiong K. Guidelines for Regulated Cell Death Assays: A Systematic Summary, A Categorical Comparison, A Prospective. Front Cell Dev Biol 2021; 9:634690. [PMID: 33748119 PMCID: PMC7970050 DOI: 10.3389/fcell.2021.634690] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 02/08/2021] [Indexed: 12/11/2022] Open
Abstract
Over the past few years, the field of regulated cell death continues to expand and novel mechanisms that orchestrate multiple regulated cell death pathways are being unveiled. Meanwhile, researchers are focused on targeting these regulated pathways which are closely associated with various diseases for diagnosis, treatment, and prognosis. However, the complexity of the mechanisms and the difficulties of distinguishing among various regulated types of cell death make it harder to carry out the work and delay its progression. Here, we provide a systematic guideline for the fundamental detection and distinction of the major regulated cell death pathways following morphological, biochemical, and functional perspectives. Moreover, a comprehensive evaluation of different assay methods is critically reviewed, helping researchers to make a reliable selection from among the cell death assays. Also, we highlight the recent events that have demonstrated some novel regulated cell death processes, including newly reported biomarkers (e.g., non-coding RNA, exosomes, and proteins) and detection techniques.
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Affiliation(s)
- Xi-min Hu
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Zhi-xin Li
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Rui-han Lin
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Jia-qi Shan
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Qing-wei Yu
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Rui-xuan Wang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Lv-shuang Liao
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Wei-tao Yan
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Zhen Wang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Lei Shang
- Jiangxi Research Institute of Ophthalmology and Visual Sciences, Affiliated Eye Hospital of Nanchang University, Nanchang, China
| | - Yanxia Huang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Qi Zhang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, China
- Hunan Key Laboratory of Ophthalmology, Changsha, China
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30
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Mu LY, Li SQ, Tang LX, Li R. Efficacy and Safety of Emricasan in Liver Cirrhosis and/or Fibrosis. Clinics (Sao Paulo) 2021; 76:e2409. [PMID: 34133478 PMCID: PMC8183342 DOI: 10.6061/clinics/2021/e2409] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 01/04/2021] [Indexed: 11/18/2022] Open
Abstract
This study aimed to perform a meta-analysis to determine the efficacy and safety of emricasan. Nine databases were searched for clinical trials investigating the efficacy of emricasan treatment in patients with liver cirrhosis or fibrosis. A manual search was conducted to identify the missing trials. The quality of the included studies was assessed using the revised Cochrane risk of bias tool. Efficacy of emricasan treatment was defined as a positive change in apoptosis-related parameters from baseline to the last follow-up visit. Overall, emricasan treatment is more effective in patients with liver cirrhosis or fibrosis than placebo (standardized mean difference [SMD] [95% confidence intervals (CI)]=0.28 [0.14; 0.41]). No significant change in model for end-stage liver disease (MELD) score between the emricasan and placebo groups was noted (SMD [95% CI]=0.18 [-0.01; 0.36]; p=0.058). A 50 mg dose of emricasan had the highest efficacy rate compared to placebo (SMD [95% CI]=0.28 [0.06; 0.50]; p=0.012), followed by the 5 mg dosing regimen (SMD [95% CI]=0.28 [0.06; 0.50]; p=0.012). Treatment with emricasan resulted in significant reductions in ALT (mean difference (MD) [95% CI]=-5.89 [-10.59; -1.20]; p=0.014) and caspase3/7 levels (MD [95%CI]=-1215.93 [-1238.53; -1193.33]; p<0.001), respectively. No significant increase in the rate of overall adverse events was noted (OR [95% CI]=1.52 [0.97; 2.37]; p=0.069). Treatment with emricasan is more effective in improving liver function and apoptosis parameters compared to placebo, with a well-tolerated safety profile. However, due to the poor quality of the analyzed studies, the small number of trials and patients, and the short follow-up periods, more robust trials are still warranted.
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Affiliation(s)
- Li-ya Mu
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
| | - Shu-qin Li
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
| | - Li-xin Tang
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
| | - Rui Li
- Department of Gastroenterology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150030, China
- Corresponding author. E-mail:
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Time-Course Changes of Serum Keratin Concentrations after Liver Transplantation: Contrasting Results of Keratin-18 and Keratin-19 Fragments. Case Reports Hepatol 2020; 2020:8895435. [PMID: 33335785 PMCID: PMC7723486 DOI: 10.1155/2020/8895435] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 11/08/2020] [Accepted: 11/16/2020] [Indexed: 11/18/2022] Open
Abstract
Objective Under normal conditions, adult hepatocytes express only keratin-8 (K8) and keratin-18 (K18), whereas cholangiocytes also express K19. In this study, we delineate the pattern of normal time-course changes in serum K19 and K18 levels after liver transplantation. Patients and Methods. Serum levels of the K19 fragment CYFRA 21-1 and the K18 fragments tissue polypeptide specific antigen (TPS) and M30 (a neoepitope that is generated after caspase cleavage during apoptosis) were measured at baseline and at regular intervals (up to 6 months) after liver transplantation in 11 adult patients. Results There was a gradual decrease in serum K19 concentrations from baseline values after transplantation, following a time-course pattern similar to that of serum bilirubin. In contrast, serum concentrations of K18 fragments increased markedly shortly after transplantation and gradually decreased thereafter, following a time-course pattern similar to that of serum transaminases. The increase in TPS tended to occur earlier than that in M30, suggesting an initial predominance of hepatocyte necrosis followed by a predominance of apoptosis in the first days after transplantation. Five patients presented posttransplant complications (acute rejection in three cases and HCV recurrence in two cases). An early increase in serum K19 concentrations was observed in all cases. An increase in serum concentrations of K18 fragments (M30 and TPS) was observed in the two cases with HCV recurrence and was more variable in the three cases with acute rejection. Conclusions Serum concentrations of K19 and K18 fragments follow a dissimilar pattern of time-course changes after liver transplantation. The diagnostic value of variations in these normal patterns should be addressed in future studies.
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Soeta K, Iuchi K, Hisatomi H, Yokoyama C. Generation of Rat Monoclonal Antibody for Cytokeratin 18 by Immunization of Three-Dimensional-Cultured Cancer Cells. Monoclon Antib Immunodiagn Immunother 2020; 39:199-203. [PMID: 33064594 DOI: 10.1089/mab.2020.0030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Cytokeratin (CK) 18 is an intermediate filament protein that plays a major functional role in the integrity and mechanical stability of cells. Since both CK8 and CK18 are major components of simple epithelia, in the context of tumors, they are expressed in most carcinomas, and have been studied as diagnostic and prognostic markers in tumor pathology. CK18 is also cleaved by some caspases during apoptosis. Three-dimensional (3D)-cultured cancer cells are useful for cancer research as an intermediate model between in vitro cancer cell line cultures and in vivo tumors. In this study, we produced rat monoclonal antibodies (mAbs) through immunization of the lysate from 3D-cultured DLD-1 cells to elucidate a characteristic feature of a tumor, and our results showed that mAb 2H7 recognized human CK18. Furthermore, we indicated that mAb 2H7 was useful for immunoblotting, immunoprecipitation, and immunofluorescence staining. Therefore, it may be useful as a diagnostic tool for evaluating malignancy.
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Affiliation(s)
- Kenta Soeta
- Department of Biochemical Engineering, Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
| | - Katsuya Iuchi
- Department of Materials and Life Science, Seikei University, Tokyo, Japan
| | - Hisashi Hisatomi
- Department of Materials and Life Science, Seikei University, Tokyo, Japan
| | - Chikako Yokoyama
- Department of Biochemical Engineering, Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
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Hernandez Roman J, Siddiqui MS. The role of noninvasive biomarkers in diagnosis and risk stratification in nonalcoholic fatty liver disease. Endocrinol Diabetes Metab 2020; 3:e00127. [PMID: 33102796 PMCID: PMC7576290 DOI: 10.1002/edm2.127] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronically elevated liver enzymes. Diagnosis and risk stratification of NAFLD remains clinically challenge as patients with NAFLD are either asymptomatic or have nonspecific presenting complaints and may have normal liver enzymes. Nonalcoholic steatohepatitis (NASH), the clinically aggressive variant of NAFLD, is also difficult to differentiate noninvasively, and a liver biopsy is required to definitively diagnose NASH. Thus, the definitive diagnosis and risk stratification of NAFLD is embedded in histological assessment of the liver. Several clinical aides been investigated in an attempt to risk stratify and identify patients noninvasively as doing a liver biopsy in all patients with NAFLD are not feasible. Since these biomarkers are unable to differentiate NASH from non-NASH, they have leveraged biochemical changes within the liver as patients progress to varying degree of hepatic fibrosis to identify patients with moderate fibrosis (fibrosis stage 2 or greater) and advanced fibrosis (fibrosis stage 3 or greater) to help guide the need for additional and more definitive workup. These clinical aides span from by-products of apoptosis to statistical modelling of clinically available data to identify 'at-risk' patients with NAFLD. The current review will focus the diagnostic performance of these noninvasive serum-based biomarkers in NAFLD.
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Affiliation(s)
| | - Mohammad S. Siddiqui
- Division of Gastroenterology, Hepatology and NutritionDepartment of Internal MedicineVirginia Commonwealth University (VCU)RichmondVirginia
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RAB25 confers resistance to chemotherapy by altering mitochondrial apoptosis signaling in ovarian cancer cells. Apoptosis 2020; 25:799-816. [PMID: 32901335 DOI: 10.1007/s10495-020-01635-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2020] [Indexed: 01/28/2023]
Abstract
Ovarian cancer remains one of the most frequent causes of cancer-related death in women. Many patients with ovarian cancer suffer from de novo or acquired resistance to chemotherapy. Here, we report that RAB25 suppresses chemotherapy-induced mitochondrial apoptosis signaling in ovarian cancer cell lines and primary ovarian cancer cells. RAB25 blocks chemotherapy-induced apoptosis upstream of mitochondrial outer membrane permeabilization by either increasing antiapoptotic BCL-2 proteins or decreasing proapoptotic BCL-2 proteins. In particular, BAX expression negatively correlates with RAB25 expression in ovarian cancer cells. BH3 profiling assays corroborated that RAB25 decreases mitochondrial cell death priming. Suppressing RAB25 by means of RNAi or RFP14 inhibitory hydrocarbon-stapled peptide sensitizes ovarian cancer cells to chemotherapy as well as RAB25-mediated proliferation, invasion and migration. Our data suggest that RAB25 is a potential therapeutic target for ovarian cancer.
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Haghighat N, Mohammadshahi M, Shayanpour S, Haghighizadeh MH. Effect of Synbiotic and Probiotic Supplementation on Serum Levels of Endothelial Cell Adhesion Molecules in Hemodialysis Patients: a Randomized Control Study. Probiotics Antimicrob Proteins 2020; 11:1210-1218. [PMID: 30293208 DOI: 10.1007/s12602-018-9477-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The aim of this study was to investigate the effect of synbiotic and probiotic supplementation on serum vascular dysfunction and necrosis markers in hemodialysis (HD) patients. In this randomized, double-blind, placebo-controlled trial, 75 HD patients were randomly assigned to either the synbiotic or probiotic or placebo group. The patients in the synbiotic group received 15 g of prebiotics and 5 g probiotic powder containing Lactobacillus acidophilus strain T16 (IBRC-M10785), Bifidobacterium bifidum strain BIA-6, Bifidobacterium lactis strain BIA-6, Bifidobacterium longum strain LAF-5 (2.7 × 107 CFU/g each) in sachets (n = 25), whereas the probiotic group received 5 g probiotics same to the first group with 15 g of maltodextrin powder in sachets (n = 25) and the placebo group received 20 g of maltodextrin powder in sachets (n = 25) for 12 weeks. At baseline and the end of the study, serum concentrations of soluble intercellular adhesion molecule type 1 (sICAM-1), soluble vascular cell adhesion molecule type 1 (sVCAM-1), cytokeratin 18 (CK-18) as the necrosis marker, uric acid, and phosphate levels were measured. Feces also were collected for microbiota colony counting. Serum ICAM-1 level reduced significantly in the synbiotic group after the intervention period (P = 0.02), and this reduction was significantly different in the synbiotic group in comparison to the placebo group (P = 0.03). Serum levels of VCAM-1 and CK-18 were not significantly different between the groups. However, the reduction in serum levels of VCAM-1 in the synbiotic group was significantly higher in comparison to the placebo group (P = 0.01). Multivariate linear regression analysis revealed that ∆ phosphate was the sole independent determinant of ∆ICAM-1 (P = 0 < 001). The study indicated that synbiotic supplementation reduced serum ICAM-1 level, which is a risk factor for cardiovascular diseases in HD patients, but has no effect on the necrosis marker. Trial registration: www.irct.ir (IRCT2017041233393N1).
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Affiliation(s)
- Neda Haghighat
- Department of Nutrition, Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Majid Mohammadshahi
- Department of Nutrition, Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. .,Department of Nutrition, Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Shokouh Shayanpour
- Department of Nephrology, Golestan Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Hossein Haghighizadeh
- Department of Biostatistics and Epidemiology, Faculty of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Sirniö P, Väyrynen JP, Mutt SJ, Herzig KH, Walkowiak J, Klintrup K, Mäkelä J, Karttunen TJ, Mäkinen MJ, Tuomisto A. Systemic inflammation is associated with circulating cell death released keratin 18 fragments in colorectal cancer. Oncoimmunology 2020; 9:1783046. [PMID: 32923147 PMCID: PMC7458668 DOI: 10.1080/2162402x.2020.1783046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Systemic inflammation is a stage-independent marker of poor prognosis in colorectal cancer (CRC), activated in a complex, multifactorial process. It has been proposed that one of the main factors driving systemic inflammation may be tumor necrosis. Keratin 18 (KRT18) fragments are released from dead cells and their serum levels are markers for apoptotic and necrotic cell death. In CRC, high KRT18 levels associate with advanced disease, but their relationship with tumor necrosis and systemic inflammation is unknown. In this study, serum total soluble KRT18 (tKRT18) and apoptosis-related, caspase-cleaved fragment (aKRT18) levels were measured preoperatively from 328 CRC patients, and their difference was calculated to assess necrosis related KRT18 (nKRT18) levels. The relationships of these markers with tumor necrosis, clinicopathologic features, systemic inflammation markers (C-reactive protein, albumin, and 13 cytokines), and survival were analyzed. High serum tKRT18, aKRT18, and nKRT18 levels showed association with a higher extent of tumor necrosis, distant metastasis, and increased levels of several markers of systemic inflammation, including CXCL8. High serum tKRT18 (multivariable HR 1.94, 95% CI 1.28-2.95, p = .002) and nKRT18 (multivariable HR 1.87, 95% CI 1.24-2.82, p = .003) levels were associated with poor overall survival independent of potential confounding factors. Our results show that tumor necrosis in CRC contributes to serum levels of KRT18 fragments, and both necrosis and KRT18 levels associate with systemic inflammation. Moreover, we show that serum tKRT18 and nKRT18 levels have independent prognostic value in CRC. Our observations confirm the link between cell death and systemic inflammation.
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Affiliation(s)
- Päivi Sirniö
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu 90014, Finland.,Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland
| | - Juha P Väyrynen
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu 90014, Finland.,Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland.,Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA.,Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Shivaprakash J Mutt
- Research Unit of Biomedicine and Biocenter Oulu, Department of Physiology, University of Oulu, Oulu 90014, Finland
| | - Karl-Heinz Herzig
- Research Unit of Biomedicine and Biocenter Oulu, Department of Physiology, University of Oulu, Oulu 90014, Finland.,Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
| | - Jaroslaw Walkowiak
- Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
| | - Kai Klintrup
- Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland.,Research Unit of Surgery, Anesthesia and Intensive Care, University of Oulu, POB 5000, Oulu, Finland
| | - Jyrki Mäkelä
- Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland.,Research Unit of Surgery, Anesthesia and Intensive Care, University of Oulu, POB 5000, Oulu, Finland
| | - Tuomo J Karttunen
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu 90014, Finland.,Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland
| | - Markus J Mäkinen
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu 90014, Finland.,Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland
| | - Anne Tuomisto
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu 90014, Finland.,Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland
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Harrison SA, Goodman Z, Jabbar A, Vemulapalli R, Younes ZH, Freilich B, Sheikh MY, Schattenberg JM, Kayali Z, Zivony A, Sheikh A, Garcia-Samaniego J, Satapathy SK, Therapondos G, Mena E, Schuppan D, Robinson J, Chan JL, Hagerty DT, Sanyal AJ. A randomized, placebo-controlled trial of emricasan in patients with NASH and F1-F3 fibrosis. J Hepatol 2020; 72:816-827. [PMID: 31887369 DOI: 10.1016/j.jhep.2019.11.024] [Citation(s) in RCA: 181] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/12/2019] [Accepted: 11/27/2019] [Indexed: 12/23/2022]
Abstract
BACKGROUND & AIMS Non-alcoholic steatohepatitis (NASH) is characterized by hepatocyte steatosis, ballooning, and lobular inflammation which may lead to fibrosis. Lipotoxicity activates caspases, which cause apoptosis and inflammatory cytokine (IL-1β and IL-18) production. Emricasan is a pan-caspase inhibitor that decreases serum aminotransferases and caspase activation in patients with NASH. This study postulated that 72 weeks of emricasan treatment would improve liver fibrosis without worsening of NASH. METHODS In this double-blind, placebo-controlled study 318 patients were randomized 1:1:1 to twice-daily treatment with emricasan (5 mg or 50 mg) or matching placebo for 72 weeks. Patients had definite NASH and NASH CRN fibrosis stage F1-F3, as determined by a central reader, on a liver biopsy obtained within 6 months of randomization. RESULTS Emricasan treatment did not achieve the primary objective of fibrosis improvement without worsening of NASH (emricasan 5 mg: 11.2%; emricasan 50 mg: 12.3%; placebo: 19.0%; odds ratios vs. placebo 0.530 and 0.588, with p = 0.972 and 0.972, respectively) or the secondary objective of NASH resolution without worsening of fibrosis (emricasan 5 mg: 3.7%; emricasan 50 mg: 6.6%; placebo: 10.5%; odds ratios vs. placebo 0.334 and 0.613, with p = 0.070 and 0.335, respectively). In the small subset of patients with consistent normalization of serum alanine aminotransferase over 72 weeks, emricasan may have improved histologic outcomes. CONCLUSIONS Emricasan treatment did not improve liver histology in patients with NASH fibrosis despite target engagement and may have worsened fibrosis and ballooning. Caspase inhibition lowered serum alanine aminotransferase in the short-term but may have directed cells to alternative mechanisms of cell death, resulting in more liver fibrosis and hepatocyte ballooning. CLINICAL TRIAL NUMBER Clinical Trials.gov #NCT02686762. LAY SUMMARY Non-alcoholic steatohepatitis (NASH) is characterized by fat accumulation in liver cells, which leads to inflammation and fibrosis. Emricasan was previously shown to inhibit some of the liver enzymes which lead to liver inflammation and fibrosis. In this study, emricasan did not improve liver inflammation or fibrosis in patients with NASH and pre-existing liver fibrosis.
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Affiliation(s)
| | | | - Abdul Jabbar
- Gastroenterology of Southern Indiana, New Albany, IN, United States
| | | | | | | | | | | | - Zeid Kayali
- Inland Empire Liver Foundation, Rialto, CA, United States
| | - Adam Zivony
- Asheville Gastroenterology Associates, Asheville, NC, United States
| | - Aasim Sheikh
- Gastrointestinal Specialists of Georgia, Marietta, GA, United States
| | | | - Sanjaya K Satapathy
- Methodist University Hospital, University of Tennessee Health Sciences Center, Memphis, TN, United States
| | | | - Edward Mena
- California Liver Research Institute, Pasadena, CA, United States
| | - Detlef Schuppan
- Department of Medicine, University Medical Center, Mainz, Germany; Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - James Robinson
- Conatus Pharmaceuticals, Inc., San Diego, CA, United States
| | - Jean L Chan
- Conatus Pharmaceuticals, Inc., San Diego, CA, United States
| | - David T Hagerty
- Conatus Pharmaceuticals, Inc., San Diego, CA, United States.
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Novel Liquid Biomarker Panels for A Very Early Response Capturing of NSCLC Therapies in Advanced Stages. Cancers (Basel) 2020; 12:cancers12040954. [PMID: 32290637 PMCID: PMC7226444 DOI: 10.3390/cancers12040954] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 12/28/2022] Open
Abstract
Computed tomography (CT) scans are the gold standard to measure treatment success of non-small cell lung cancer (NSCLC) therapies. Here, we investigated the very early tumor response of patients receiving chemotherapy or targeted therapies using a panel of already established and explorative liquid biomarkers. Blood samples from 50 patients were taken at baseline and at three early time points after therapy initiation. DNA mutations, a panel of 17 microRNAs, glycodelin, glutathione disulfide, glutathione, soluble caspase-cleaved cytokeratin 18 (M30 antigen), and soluble cytokeratin 18 (M65 antigen) were measured in serum and plasma samples. Baseline and first follow-up CT scans were evaluated and correlated with biomarker data. The detection rate of the individual biomarkers was between 56% and 100%. While only keratin 18 correlated with the tumor load at baseline, we found several individual markers correlating with the tumor response to treatment for each of the three time points of blood draws. A combination of the five best markers at each time point resulted in highly significant marker panels indicating therapeutic response (R2 = 0.78, R2 = 0.71, and R2 = 0.71). Our study demonstrates that an early measurement of biomarkers immediately after therapy start can assess tumor response to treatment and might support an adaptation of treatment to improve patients’ outcome.
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The roles of M30 and M65 in the assessment of treatment response and prognosis in patients with non-small cell lung cancer, who receive neoadjuvant treatment. Contemp Oncol (Pozn) 2020; 23:208-213. [PMID: 31992952 PMCID: PMC6978762 DOI: 10.5114/wo.2019.91539] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 11/27/2019] [Indexed: 01/01/2023] Open
Abstract
Aim of the study To investigate the efficacy of evaluating prognosis and response to lung cancer treatment using M30 and M65 antigens, which are indicators of necrosis. Material and methods Forty-eightpatients with lung cancer, who were planned to receive neoadjuvant chemotherapy, and 38 healthy volunteers were enrolled in the study. Using M30 and M65 levels, cytokeratin 18 levels were measured twice: before and 48 hours after the first chemotherapy treatment. Apoptotic and total necrosis levels were determined by measuring the M65 and M30 levels. Results The M30 and M65 antigen levels in the patient group were significantly higher than in the control group (p< 0.001). The M30 and M65 antigen levels were significantly higher 48 hours after the chemotherapy compared with before the chemotherapy (p< 0.001). There were no significant differences in M65 levels between patients who responded to treatment and patients who progressed. The M30 levels increased significantly in patients with disease progression (p= 0.694 and p = 0.024, respectively). No significant differences in serum M30 and M65 antigen levels were found when compared between the surviving and deceased patients (p = 0.126 and p = 0.340, respectively). Conclusions A significant increase was detected in serum M30 and M65 levels in patients with lung cancer. There was a greater increase in serum M30 levels in patients who did not respond to the chemotherapy. This result gives rise to the thought that evaluating apoptosis and total necrosis through M30 and M65 measurements alone only in patients receiving neoadjuvant chemotherapy would be insufficient for specifying the effectiveness of the treatment.
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Wimmer K, Sachet M, Oehler R. Circulating biomarkers of cell death. Clin Chim Acta 2019; 500:87-97. [PMID: 31655053 DOI: 10.1016/j.cca.2019.10.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 10/02/2019] [Accepted: 10/03/2019] [Indexed: 12/15/2022]
Abstract
Numerous disease states are associated with cell death. For many decades, apoptosis and accidental necrosis have been assumed to be the two ways how a cell can die. The recent discovery of additional cell death processes such as necroptosis, ferroptosis or pyroptosis revealed a complex interplay between cell death mechanisms and diseases. Depending on the particular cell death pathway, cells secrete distinct molecular patterns, which differ between cell death types. This review focusses on released molecules, detectable in the blood flow, and their potential role as circulating biomarkers of cell death. We elucidate the molecular background of different biomarkers and give an overview on their correlation with disease stage, therapy response and prognosis in patients.
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Affiliation(s)
- Kerstin Wimmer
- Department of Surgery and Comprehensive Cancer Center, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Monika Sachet
- Department of Surgery and Comprehensive Cancer Center, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Rudolf Oehler
- Department of Surgery and Comprehensive Cancer Center, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria.
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Huang Y, Yang L, Lin Y, Chang X, Wu H, Chen Y. Prognostic value of non-invasive serum Cytokeratin 18 detection in gastrointestinal cancer: a meta-analysis. J Cancer 2019; 10:4814-4823. [PMID: 31598152 PMCID: PMC6775513 DOI: 10.7150/jca.31408] [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: 11/11/2018] [Accepted: 06/26/2019] [Indexed: 12/24/2022] Open
Abstract
Background: Gastrointestinal cancer is one of the most common neoplasms. Cytokeratin 18(CK18) is widely expressed in many different organs and cancers. Emerging data suggested conflicting results about the role of CK18 during carcinogenesis. The aim of this study is to systematically review the prognostic value of circulating CK18 (M65) and caspase-Cleaved CK18 (M30) in digestive cancers. Materials and Methods: We searched major database for manuscripts reporting the effect of pretreatment CK18 on survival of digestive cancer patients. Revman5.3 and R were the software used for analysis. Pooled multivariable-adjusted hazard ratios (HR) for overall survival (OS) were calculated in all patients and many different subgroup analyses by stratifying on tumor type, metastasis stage, and ethnicity. Results: 11 original studies were included for analysis. A low level of M30 and M65 were shown to be a protective factor for all cancer patients (HR 0.49, 95%CI 0.33-0.73, P=0.0003; HR 0.48, 95% CI 0.32-0.70, P =0.0001, respectively). The low M30 remained to be a protective factor for metastasized cancer patients while M65 had no statistically significant correlation with prognosis. Conclusions: Non-invasive total and cleaved CK18 level detection by ELISA could be potentially a useful predictor of prognosis of digestive cancer patients. Further studies are warranted to investigate the molecular mechanisms of CK18.
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Affiliation(s)
- Yuejuan Huang
- Department of Chemotherapy, the People's Hospital of Baise City, No 8 Chengxiang Road, Baise, Guangxi 533000, People's Republic of China
| | - Ling Yang
- Affiliated Tumor Hospital of Guangxi Medical University, No 71 Hedi Road, Nanning, Guangxi 530021, People's Republic of China
| | - Yan Lin
- Affiliated Tumor Hospital of Guangxi Medical University, No 71 Hedi Road, Nanning, Guangxi 530021, People's Republic of China
| | - Xin Chang
- Affiliated Tumor Hospital of Guangxi Medical University, No 71 Hedi Road, Nanning, Guangxi 530021, People's Republic of China
| | - Huini Wu
- Department of Cell and Molecular Physiology, Loyola University Chicago, 2160 S. 1St Ave, Maywood, IL 60153, USA
| | - Ying Chen
- Affiliated Tumor Hospital of Guangxi Medical University, No 71 Hedi Road, Nanning, Guangxi 530021, People's Republic of China
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Schlossberger V, Worni M, Kihm C, Montani M, Datz C, Hampe J, Stickel F. Plasma Levels of K18 Fragments Do Not Correlate with Alcoholic Liver Fibrosis. Gut Liver 2019; 13:77-82. [PMID: 29976035 PMCID: PMC6346996 DOI: 10.5009/gnl18037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 04/07/2018] [Accepted: 04/09/2018] [Indexed: 12/13/2022] Open
Abstract
Background/Aims Noninvasive markers of liver fibrosis in alcoholic liver disease (ALD) are crucial to establish early intervention. Previous studies have suggested that plasma levels of cleaved keratin-18 (K18; M30) fragments can predict the severity of liver disease. The aim of this study was to correlate plasma M30 levels with stages of liver fibrosis in ALD. Methods Patients with ALD (n=139, 79.1% males) and liver histology were included, and plasma samples were collected to quantify plasma M30 levels. Patients were stratified into five groups by fibrosis stage (F0=14; F1=15; F2=35; F3=17; and F4=58) according to the Kleiner score. Differences between groups were evaluated using the chi-square test or analysis of variance. Trends by fibrosis stage were calculated by logistic regression analysis, and sensitivity, specificity and positive and negative predictive values were determined. Results There were no significant differences in M30 levels among fibrosis stages. The correlation between plasma M30 levels and fibrosis was poor (Pearson’s correlation coefficient=0.13, Spearman rho=0.20 [p=0.02]), and M30 levels did not correlate with alcohol-specific histological features. However, significant correlations of M30 levels with aspartate aminotransferase (Spearman rho=0.653, p<0.001) and alanine aminotransferase (Spearman rho=0.432, p<0.001) were found. M30 levels of >200 U/L reveal a sensitivity for predicting cirrhosis of 84.5% with a negative predictive value of 73.5%. Conclusions Plasma M30 levels are often elevated in ALD and correlate with serum transaminases but do not reflect fibrosis. The usefulness as a prognostic marker awaits evaluation in prospective studies.
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Affiliation(s)
| | - Mathias Worni
- Department of Visceral Surgery and Medicine, Inselspital, University Clinic of Bern, Bern, Switzerland
| | - Christina Kihm
- Department of Gastroenterology, Spital Interlaken, Unterseen, Switzerland
| | - Matteo Montani
- Department of Pathology, University of Bern, Bern, Switzerland
| | - Christian Datz
- Department of Internal Medicine, Hospital Oberndorf, Teaching Hospital of the Paracelsus Private University of Salzburg, Oberndorf, Austria
| | - Jochen Hampe
- Medical Department 1, University Hospital Dresden, Technische Universität Dresden, Dresden, Germany
| | - Felix Stickel
- Hepatology Unit, Clinic Beau-Site Hirslanden, Bern, Switzerland.,Department of Gastroenterology and Hepatology, University Hospital of Zürich, Zurich, Switzerland
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Pharmacodynamic Therapeutic Drug Monitoring for Cancer: Challenges, Advances, and Future Opportunities. Ther Drug Monit 2019; 41:142-159. [DOI: 10.1097/ftd.0000000000000606] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Weaver JL, Schucht JE, Matheson PJ, Matheson AJ, Ghazi CA, Downard CD, Garrison RN, Smith JW. Direct Peritoneal Resuscitation Reduces Lung Injury and Caspase 8 Activity in Brain Death. J INVEST SURG 2019; 33:803-812. [PMID: 30907191 DOI: 10.1080/08941939.2019.1579274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Background: Acute brain death (ABD) is associated with inflammation and lung injury. Direct peritoneal resuscitation (DPR) improves blood flow to the vital organs after ABD. DPR reduces lung injury, but the mechanism for this is unknown. Methods: Male Sprague-Dawley rats were randomized to five groups (n = 8/group): (1) Sham (no ABD); (2) Targeted intravenous fluid (TIVF) (ABD plus enough IVF to maintain a MAP of 80 mmHg) at 2 hours post-resuscitation (RES); (3) ABD + TIVF + DPR (TIVF and 30 cc intraperitoneal 2.5% Delflex) at 2 hours post-RES; (4) ABD + TIVF at 4 hours post-RES; and (5) ABD + TIVF + DPR at 4 hours post-RES. Messenger RNA (mRNA) levels were measured using Qiagen qRT PCR. Protein levels were assessed using quantitative ELISAs and the Luminex MagPix system. Results: Use of DPR caused 5.8-fold downregulation of mRNA expression for TNF-α and 2.7-fold decrease for the TNF receptor compared to TIVF alone. Caspase 8 mRNA was also downregulated. Protein levels for TNF-α, TNF receptor, caspase 8, NFκB, and NFκB inhibitor kinase, which promotes dissociation of NFκB inhibitor, were reduced by DPR. Cell death markers M30 and M65 were also decreased with DPR. Conclusions: Use of DPR caused changes in the expression of multiple mRNAs and proteins in the caspase 8 apoptotic pathway. These data represent a mechanism through which DPR exerts its beneficial effects within the lung tissue.
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Affiliation(s)
- Jessica L Weaver
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Jessica E Schucht
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Paul J Matheson
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Amy J Matheson
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Cameron A Ghazi
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Cynthia D Downard
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Richard Neal Garrison
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
| | - Jason W Smith
- Department of Surgery, University of Louisville, Louisville, KY, USA.,Robley Rex Veterans Affairs Medical Center, Louisville, KY, USA
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Kirpich IA, McClain CJ. Introduction to the Virtual Issue "Translational Studies in AUD: Liver Disease". Alcohol Clin Exp Res 2019; 43:593-596. [PMID: 30694554 DOI: 10.1111/acer.13967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/23/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Irina A Kirpich
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville School of Medicine, Louisville, Kentucky.,Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, Kentucky.,Hepatobiology and Toxicology Program, University of Louisville, Louisville, Kentucky.,University of Louisville Alcohol Research Center, University of Louisville, Louisville, Kentucky
| | - Craig J McClain
- Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville School of Medicine, Louisville, Kentucky.,Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, Kentucky.,Hepatobiology and Toxicology Program, University of Louisville, Louisville, Kentucky.,University of Louisville Alcohol Research Center, University of Louisville, Louisville, Kentucky.,Robley Rex Veterans Medical Center, Louisville, Kentucky
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Differential Involvement of Autophagy and Apoptosis in Response to Chemoendocrine and Endocrine Therapy in Breast Cancer: JBCRG-07TR. Int J Mol Sci 2019; 20:ijms20040984. [PMID: 30813476 PMCID: PMC6412499 DOI: 10.3390/ijms20040984] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 02/21/2019] [Indexed: 12/15/2022] Open
Abstract
Endocrine therapy is an essential component in the curative treatment of hormone receptor (HR)-positive breast cancer. To improve treatment efficacy, the addition of metronomic chemotherapy has been tested and shown to improve therapeutic effects. To better understand cellular reactions to metronomic chemoendocrine therapy, we studied autophagy-related markers, beclin 1 and LC3, and apoptosis-related markers, TUNEL and M30, in pre- and post-treatment cancer tissues from a multicenter neoadjuvant trial, JBCRG-07, in which oral cyclophosphamide plus letrozole were administered to postmenopausal patients with HR-positive breast cancer. Changes in the levels of markers were compared with those following neoadjuvant endocrine therapy according to clinical response. Apoptosis, in addition to autophagy-related markers, increased following metronomic chemoendocrine therapy and such increases were associated with clinical response. By contrast, following endocrine therapy, the levels of apoptosis-related markers did not increase regardless of clinical response, whereas the levels of autophagy-related markers increased. Furthermore, levels of the apoptosis-related marker, M30, decreased in responders of endocrine therapy, suggesting that the induction of apoptosis by metronomic chemoendocrine therapy was involved in the improved clinical outcome compared with endocrine therapy. In conclusion, metronomic chemoendocrine therapy induced a different cellular reaction from that of endocrine therapy, including the induction of apoptosis, which is likely to contribute to improved efficacy compared with endocrine therapy alone.
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Xue L, Lu X, He J, Zhang T, Wu X, Zhang Y, Wang N, An Z, Xu J, Geng Y. Serum CK 18-M30 reflect liver pathological severity during NAFLD progression in a rat model. Pathol Res Pract 2018; 214:1778-1786. [PMID: 30149902 DOI: 10.1016/j.prp.2018.08.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 08/04/2018] [Accepted: 08/18/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND CK 18-M30 was increased in patients with NAFLD. However, little is known about the relationship between CK 18-M30 and NAFLD progression. We aimed to analyze the variety of CK 18-M30 and other metabolism indices during NAFLD progression. Meanwhile, we aimed to investigate the correlation between CK 18-M30 and liver pathology during NAFLD progression. MATERIALS AND METHODS Rats were fed with high sucrose and high fat diet for building NAFLD models. We detected liver pathology by hematoxylin-eosin (HE) staining. We also detected serum CK 18-M30 and metabolism indices including liver enzymes, serum lipids and glycometabolism indices. RESULTS The aggravating degree of liver pathology appeared with prolonged feeding period. The relevance of CK 18-M30 to the severity of liver pathology were higher relative to other indices. CONCLUSION Our results suggested the significance of CK 18-M30 in the progression of NAFLD and provided new evidence for the early diagnosis and prognostic estimation of NAFLD.
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Affiliation(s)
- Li Xue
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Xiaolan Lu
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Juntao He
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Ting Zhang
- Department of Laboratory, Wuxi Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu 214002, PR China.
| | - Xiaokang Wu
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Yanping Zhang
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Ningning Wang
- Department of Infection Control, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China.
| | - Zhe An
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Jiru Xu
- Department of Immunology and Pathogenic Biology, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China.
| | - Yan Geng
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China.
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García-Cortés M, Ortega-Alonso A, Lucena MI, Andrade RJ. Drug-induced liver injury: a safety review. Expert Opin Drug Saf 2018; 17:795-804. [PMID: 30059261 DOI: 10.1080/14740338.2018.1505861] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Idiosyncratic drug-induced liver injury (DILI) remains one of the most important causes of drug attrition both in the early phases of clinical drug development and in the postmarketing scenario. This is because, in spite of emerging data on genetic susceptibility variants associated to the risk of hepatotoxicity, the precise identification of the individual who will develop DILI when exposed to a given drug remains elusive. AREAS COVERED In this review, we have addressed recent progress made and initiatives taken in the field of DILI from a safety perspective through a comprehensive search of the literature. EXPERT OPINION Despite the substantial progress made over this century, new approaches using big data analysis to characterize the true incidence of DILI are needed and to categorize the drugs' hepatotoxic potential. Genetic studies have highlighted the role of the adaptive immune system yet the mechanisms leading adaptation versus progression remain to be elucidated. There is a compelling need for development and qualification of sensitive, specific, and affordable biomarkers in DILI to foster drug development, patient treatment stratification and, improvement of causality assessment methods. Gaining mechanistic insights in DILI is essential to uncover therapeutic targets and design prospective clinical trials with appropriate endpoints.
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Affiliation(s)
- Miren García-Cortés
- a Instituto de Investigación Biomédica-IBIMA , Hospital Universitario Virgen de la Victoria, Universidad de Málaga , Málaga , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd , Málaga , Spain
| | - Aida Ortega-Alonso
- a Instituto de Investigación Biomédica-IBIMA , Hospital Universitario Virgen de la Victoria, Universidad de Málaga , Málaga , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd , Málaga , Spain
| | - M Isabel Lucena
- b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd , Málaga , Spain.,c Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria , Universidad de Málaga , Málaga , Spain
| | - Raúl J Andrade
- a Instituto de Investigación Biomédica-IBIMA , Hospital Universitario Virgen de la Victoria, Universidad de Málaga , Málaga , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd , Málaga , Spain
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Yilmaz VT, Icsel C, Turgut OR, Aygun M, Erkisa M, Turkdemir MH, Ulukaya E. Synthesis, structures and anticancer potentials of platinum(II) saccharinate complexes of tertiary phosphines with phenyl and cyclohexyl groups targeting mitochondria and DNA. Eur J Med Chem 2018; 155:609-622. [DOI: 10.1016/j.ejmech.2018.06.035] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/12/2018] [Accepted: 06/13/2018] [Indexed: 12/17/2022]
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50
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Woolbright BL, Choudhary D, Mikhalyuk A, Trammel C, Shanmugam S, Abbott E, Pilbeam CC, Taylor JA. The Role of Pyruvate Dehydrogenase Kinase-4 (PDK4) in Bladder Cancer and Chemoresistance. Mol Cancer Ther 2018; 17:2004-2012. [PMID: 29907593 DOI: 10.1158/1535-7163.mct-18-0063] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 04/18/2018] [Accepted: 06/11/2018] [Indexed: 12/12/2022]
Abstract
Advanced bladder cancer remains a major source of mortality, with poor treatment options. Cisplatin-based chemotherapy is the standard treatment, however many patients are or become resistant. One potential cause of chemoresistance is the Warburg effect, a metabolic switch to aerobic glycolysis that occurs in many cancers. Upregulation of the pyruvate dehydrogenase kinase family (PDK1-PDK4) is associated with aerobic glycolysis and chemoresistance through inhibition of the pyruvate dehydrogenase complex (PDH). We have previously observed upregulation of PDK4 in high-grade compared with low-grade bladder cancers. We initiated this study to determine if inhibition of PDK4 could reduce tumor growth rates or sensitize bladder cancer cells to cisplatin. Upregulation of PDK4 in malignant bladder cancer cell lines as compared with benign transformed urothelial cells was confirmed using qPCR. Inhibition of PDK4 with dichloroacetate (DCA) resulted in increased PDH activity, reduced cell growth, and G0-G1 phase arrest in bladder cancer cells. Similarly, siRNA knockdown of PDK4 inhibited bladder cancer cell proliferation. Cotreatment of bladder cancer cells with cisplatin and DCA did not increase caspase-3 activity but did enhance overall cell death in vitro Although daily treatment with 200 mg/kg DCA alone did not reduce tumor volumes in a xenograft model, combination treatment with cisplatin resulted in dramatically reduced tumor volumes as compared with either DCA or cisplatin alone. This was attributed to substantial intratumoral necrosis. These findings indicate inhibition of PDK4 may potentiate cisplatin-induced cell death and warrant further studies investigating the mechanism through which this occurs. Mol Cancer Ther; 17(9); 2004-12. ©2018 AACR.
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Affiliation(s)
| | | | - Andrew Mikhalyuk
- University of Connecticut School of Medicine, Farmington, Connecticut
| | - Cassandra Trammel
- University of Connecticut School of Medicine, Farmington, Connecticut
| | | | - Erika Abbott
- Department of Urology, University of Kansas Medical Center, Kansas City, Kansas
| | - Carol C Pilbeam
- Department of Medicine, University of Connecticut Health Center, Farmington, Connecticut
| | - John A Taylor
- Department of Urology, University of Kansas Medical Center, Kansas City, Kansas.
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