In 2018, the World Journal of Gastroenterology (WJG) has published the 13^th issue which containing 11 articles including 2 reviews, 8 original articles and 1 case reports contributed by scientists worldwide. Among these comprehensive articles are (1) “Dissecting the molecular pathophysiology of drug-induced liver injury”, a review by Francisco Javier Cubero, BSc, MSc, PhD, Assistant Professor, et al from Department of Immunology, Ophtalmology and ORL, Complutense University School of Medicine, Spain; (2) “Systems pharmacology approach reveals the antiinflammatory effects of Ampelopsis grossedentata on dextran sodium sulfate-induced colitis”, a basic study by hi-Peng Tang, MD, PhD, Professor, Director, et al from Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, China; and (3) “Helicobacter pylori infection in subjects negative for high titer serum antibody”, a retrospective cohort study by Osamu Toyoshima, MD, Director, et al from Department of Gastroenterology, Toyoshima Endoscopy Clinic, Japan, etc. We invite you to peruse all 11 articles in this issue, as they present the latest research progress/findings and provide insightful comments in gastroenterology and hepatology that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 24, Issue 13, April 7, 2018.

Figure 1 The cover of the issue. Editorial board member of World Journal of Gastroenterology, Feng Yang, MD, PhD, Associate Professor, Doctor, Surgeon, Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China

We encourage gastroenterologists and hepatologists worldwide to submit manuscripts to the WJG describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.