GRHL2 contributes to the maintenance of intestinal epithelial barrier integrity during LPS-induced injury
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By
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Youquan Wang
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Yuting Li
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Lingling Bao
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Junying Lu
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Xinyu Li
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Yao Fu
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Dong Zhang
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Hongxiang Li
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July 15, 2026
Clinical Scorecard: The Role of GRHL2 in Preserving Intestinal Epithelial Barrier Function Following LPS-Induced Damage
At a Glance
| Category | Detail |
|---|
| Condition | Intestinal Epithelial Barrier Dysfunction |
| Key Mechanisms | GRHL2 involvement in maintaining barrier integrity and regulating epithelial junction-associated molecules. |
| Target Population | Patients experiencing sepsis and related gastrointestinal injuries. |
| Care Setting | Critical care and intensive care units. |
Key Highlights
- LPS exposure impairs epithelial barrier integrity.
- GRHL2 expression is significantly reduced in LPS-treated tissues.
- GRHL2 knockdown aggravates intestinal injury and permeability.
- GRHL2 overexpression attenuates barrier dysfunction.
- Transcriptomic analysis reveals alterations in inflammatory responses and cell adhesion.
Guideline-Based Recommendations
Diagnosis
- Assess intestinal barrier function using TEER and permeability assays.
Management
- Consider GRHL2 modulation as a potential therapeutic target in sepsis-related intestinal injury.
Monitoring & Follow-up
- Monitor serum cytokine levels (e.g., TNF-α, IL-6) as indicators of intestinal injury.
Risks
- Increased intestinal permeability may lead to systemic inflammatory responses and multiple-organ dysfunction.
Patient & Prescribing Data
Patients with sepsis and compromised intestinal barrier function.
Targeting GRHL2 may improve intestinal barrier integrity and reduce inflammation.
Clinical Best Practices
- Utilize TEER measurements for evaluating epithelial barrier integrity.
- Incorporate assessment of junction-associated molecules in research and clinical settings.
- Consider the role of inflammatory mediators in managing intestinal barrier dysfunction.
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