GRHL2 contributes to the maintenance of intestinal epithelial barrier integrity during LPS-induced injury
By
Youquan Wang
Yuting Li
Lingling Bao
Junying Lu
Xinyu Li
Yao Fu
Dong Zhang
Hongxiang Li
July 15, 2026
Clinical Report: The Role of GRHL2 in Preserving Intestinal Epithelial Barrier Function
Overview This study investigates the role of Grainyhead-like 2 (GRHL2) in maintaining intestinal epithelial barrier integrity following lipopolysaccharide (LPS)-induced injury.
Background Intestinal epithelial barrier dysfunction is a significant contributor to gastrointestinal injury during critical illness, particularly in sepsis. GRHL2 has been implicated in epithelial integrity.
Data Highlights Assessment Method Findings TEER Values Reduced following LPS exposure Serum Cytokines Increased TNF-α and IL-6 concentrations Epithelial Junction Molecules Decreased expression of E-cadherin, Claudin-3, Claudin-4, and Occludin
Key Findings LPS exposure impaired epithelial barrier integrity. GRHL2 expression was significantly reduced in LPS-treated intestinal tissues. GRHL2 knockdown aggravated intestinal injury and permeability. GRHL2 overexpression attenuated barrier dysfunction. Transcriptomic analysis revealed enrichment of inflammatory response-related biological processes.
Clinical Implications Further research is needed to explore the potential role of GRHL2 in intestinal barrier dysfunction.
Conclusion GRHL2 plays a role in maintaining intestinal epithelial barrier integrity during LPS-induced injury.
Related Resources & Content
Journal of Gastrointestinal Surgery, 2023 -- Disruption of Gut Barrier Integrity and the Role of Bacterial Lipopolysaccharides in Colorectal Cancer
Infection, 2024 -- Investigating Gut Barrier Dysfunction's Impact on Postoperative Outcomes Following Liver Transplantation: Insights into Pathophysiology and Treatment Options
Journal of Gastrointestinal Surgery, 2021 -- The Impact of Intestinal-Derived Lipopolysaccharides and Gut Barrier Function on Fatty Liver Disorders
Journal of Crohn's and Colitis, 2023 -- Disruption of Epithelial Barrier Integrity via Altered GILZ/c-Rel/RACK1 Signaling in Inflammatory Bowel Disease
Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2026 | SCCM
Frontiers, 2026 -- Gut barrier-microbiota crosstalk in sepsis: from pathogenesis to potential therapies
Frontiers, 2026 -- Intermittent versus continuous enteral nutrition in critically ill patients: an updated systematic review and meta-analysis of randomized controlled trials
Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2026 | SCCM
Frontiers | Gut barrier-microbiota crosstalk in sepsis: from pathogenesis to potential therapies
Frontiers | Intermittent versus continuous enteral nutrition in critically ill patients: an updated systematic review and meta-analysis of randomized controlled trials