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Related Experiment Videos

Intestinal epithelial pathobiology: past, present and future.

Andrew T Gewirtz1, Yuan Liu, Shanthi V Sitaraman

  • 1Epithelial Pathobiology Division, Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Georgia, USA.

Best Practice & Research. Clinical Gastroenterology
|December 11, 2002
PubMed
Summary

The intestinal epithelium, crucial for health, is more than a barrier; it actively participates in inflammation and immune responses. Research highlights its role in inflammatory bowel disease development.

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Area of Science:

  • Gastroenterology
  • Immunology
  • Cell Biology

Background:

  • The intestinal epithelium is a vital interface for human health.
  • Dysfunction can lead to diarrhea, constipation, malnutrition, and inflammatory bowel disease (IBD).
  • Neutrophil migration across the epithelium forms crypt abscesses during inflammation.

Purpose of the Study:

  • To summarize research on the intestinal epithelium's role in crypt abscess formation.
  • To elucidate the epithelium's contribution to IBD's clinical manifestations.
  • To explore the concept of epithelial dysfunction as a primary driver of immune dysregulation in IBD.

Main Methods:

  • Review of basic research over the past 15 years.
  • Analysis of epithelial participation in inflammatory processes.

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  • Investigation of the link between epithelial function and immune responses.

    • Main Results:

    • The intestinal epithelium is an interactive barrier, not just a passive shield.
    • Epithelial involvement is key in crypt abscess formation and IBD pathology.
    • Epithelial dysfunction may precede and drive immune dysregulation in IBD.

    Conclusions:

    • Epithelial research has advanced understanding of IBD pathogenesis.
    • Epithelial malfunction is increasingly recognized as a potential primary defect in IBD.
    • This perspective reframes the understanding of inflammatory bowel disease.