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An Intravital Microscopy-Based Approach to Assess Intestinal Permeability and Epithelial Cell Shedding Performance
Published on: December 3, 2020
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Intestinal permeability regulation by tight junction: implication on inflammatory bowel diseases
1Institute of Pharmaceutical Research and Development, Wonkwang University College of Pharmacy; BK21plus program & Department of Smart Life-Care Convergence, Wonkwang University Graduate School, Iksan, Korea.
Intestinal Research
|February 19, 2015
Summary
Epithelial tight junctions (TJs) maintain intestinal barrier integrity. Disrupted TJs in inflammatory bowel disease (IBD) increase permeability, suggesting TJ repair as a potential therapy for IBD.
Area of Science:
- Gastroenterology
- Cell Biology
- Immunology
Background:
- Epithelial tight junctions (TJs) form a seal between cells, controlling paracellular transport.
- Disruption of the intestinal TJ barrier allows harmful molecules to enter, triggering inflammation and disease.
- Increased intestinal permeability is a hallmark of inflammatory bowel disease (IBD).
Purpose of the Study:
- To review the molecular structure and regulation of intestinal TJs.
- To discuss the role of intestinal TJs in the pathogenesis of IBD.
- To highlight TJs as potential therapeutic targets for IBD.
Main Methods:
- Literature review of studies on TJ structure, function, and regulation.
- Analysis of research linking TJ disruption to IBD pathogenesis.
- Synthesis of information on therapeutic strategies targeting TJ integrity.
Main Results:
- TJs are complex multi-protein structures essential for epithelial barrier function.
- Intestinal TJ disruption is observed in IBD patients, contributing to disease progression.
- Restoring TJ barrier integrity shows promise for IBD treatment and prevention.
Conclusions:
- Dysregulation of TJ integrity is implicated in IBD pathogenesis.
- Targeting TJs offers a potential therapeutic avenue for managing IBD.
- Further research into TJ modulation could lead to novel IBD therapies.
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