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Related Experiment Videos

Asthma. Epithelial cells.

R J Davies1, J L Devalia

  • 1Department of Respiratory Medicine, Medical College of St. Bartholomew's Hospital, University of London, UK.

British Medical Bulletin
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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See all related articles

The airway epithelium defends against inhaled irritants and maintains homeostasis. Its dysfunction, involving inflammatory mediators and cell changes, contributes to asthma pathogenesis.

Area of Science:

  • Respiratory Medicine
  • Cell Biology
  • Immunology

Background:

  • The airway epithelium acts as a crucial defense barrier against environmental insults.
  • Epithelial cell dysfunction is implicated in the pathogenesis of asthma.
  • The precise mechanisms linking epithelial changes to asthma are not fully understood.

Purpose of the Study:

  • To elucidate the role of airway epithelial cell perturbation in asthma pathogenesis.
  • To review proposed mechanisms involving inflammatory mediators and cellular changes.
  • To understand the interplay between functional and structural changes in asthmatic airways.

Main Methods:

  • Literature review of proposed mechanisms in asthma pathogenesis.
  • Analysis of the role of inflammatory and protective mediators.

Related Experiment Videos

  • Examination of cell adhesion molecule modulation and immunoregulation.

    • Main Results:

    • Epithelial cell perturbation can lead to adverse tissue changes.
    • Proposed mechanisms include altered mediator synthesis and inflammatory cytokine production.
    • Modulation of cell adhesion molecules and immune cell regulation are key factors.

    Conclusions:

    • Multiple mechanisms likely interact to cause initial functional, then structural, changes in the airway epithelium.
    • These changes contribute significantly to the characteristic features of asthma.
    • Understanding these pathways is vital for developing asthma therapies.