GRHL2 contributes to the maintenance of intestinal epithelial barrier integrity during LPS-induced injury - Report - MDSpire

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

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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 MethodFindings
TEER ValuesReduced following LPS exposure
Serum CytokinesIncreased TNF-α and IL-6 concentrations
Epithelial Junction MoleculesDecreased 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

  1. Journal of Gastrointestinal Surgery, 2023 -- Disruption of Gut Barrier Integrity and the Role of Bacterial Lipopolysaccharides in Colorectal Cancer
  2. Infection, 2024 -- Investigating Gut Barrier Dysfunction's Impact on Postoperative Outcomes Following Liver Transplantation: Insights into Pathophysiology and Treatment Options
  3. Journal of Gastrointestinal Surgery, 2021 -- The Impact of Intestinal-Derived Lipopolysaccharides and Gut Barrier Function on Fatty Liver Disorders
  4. Journal of Crohn's and Colitis, 2023 -- Disruption of Epithelial Barrier Integrity via Altered GILZ/c-Rel/RACK1 Signaling in Inflammatory Bowel Disease
  5. Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2026 | SCCM
  6. Frontiers, 2026 -- Gut barrier-microbiota crosstalk in sepsis: from pathogenesis to potential therapies
  7. Frontiers, 2026 -- Intermittent versus continuous enteral nutrition in critically ill patients: an updated systematic review and meta-analysis of randomized controlled trials
  8. Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2026 | SCCM
  9. Frontiers | Gut barrier-microbiota crosstalk in sepsis: from pathogenesis to potential therapies
  10. Frontiers | Intermittent versus continuous enteral nutrition in critically ill patients: an updated systematic review and meta-analysis of randomized controlled trials

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