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Related Experiment Videos

Role for platelet-activating factor in asthma.

K F Chung1, P J Barnes

  • 1Department of Thoracic Medicine, National Heart & Lung Institute, London, United Kingdom.

Lipids
|December 1, 1991
PubMed
Summary
This summary is machine-generated.

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Platelet-activating factor (PAF) plays a key role in asthma by causing airway inflammation and hyperresponsiveness. New PAF receptor antagonists offer a way to study and potentially treat this condition.

Area of Science:

  • Immunology
  • Respiratory Medicine
  • Pharmacology

Background:

  • Platelet-activating factor (PAF) is a lipid mediator implicated in asthma.
  • PAF induces key features of asthma, including airway edema and eosinophil accumulation.

Purpose of the Study:

  • To explore the role of PAF in asthma pathogenesis.
  • To highlight the potential of PAF receptor antagonists in asthma research.

Main Methods:

  • Review of recent studies on PAF effects in human and animal airways.
  • Examination of PAF's chemotactic and activating properties on eosinophils.
  • Consideration of PAF receptor antagonist utility.

Main Results:

  • PAF mimics clinical and pathological aspects of asthma.

Related Experiment Videos

  • PAF is a potent activator and chemoattractant for eosinophils.
  • Eosinophil activation by PAF is critical for bronchial hyperresponsiveness.

    • Conclusions:

    • PAF is strongly implicated in the pathogenesis of asthma.
    • PAF receptor antagonists provide a viable tool for studying PAF's role in asthma.