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Related Experiment Videos

Adhesion-promoting receptors on phagocytes.

S D Wright1

  • 1Laboratory of Cellular Physiology and Immunology, Rockefeller University, New York, NY 10021.

Agents and Actions. Supplements
|January 1, 1991
PubMed
Summary

Leukocyte migration during inflammation requires transient adhesion to the vascular endothelium, facilitated by the CD18 integrin family. Understanding CD18

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Area of Science:

  • Immunology
  • Cell Biology
  • Vascular Biology

Background:

  • Leukocyte migration to inflammatory sites is crucial for immune response.
  • Initial adhesion to vascular endothelium must be transient to allow diapedesis.
  • The CD18 family of leukocyte integrins is implicated in these transient adhesions.

Purpose of the Study:

  • To discuss the mechanisms by which CD18 molecules mediate transient leukocyte adhesion.
  • To explore the roles of CD18 and other adhesion molecules in inflammation.

Main Methods:

  • Review of recent studies on leukocyte adhesion and diapedesis.
  • Analysis of the function of CD18 integrins in transient adhesion.
  • Discussion of the interplay between CD18 and other adhesion molecules.

Main Results:

  • CD18 integrins are pivotal for the transient adhesions required for leukocyte diapedesis.
  • CD18 mediates the necessary rapid breaking of leukocyte-endothelial adhesion.
  • The specific roles of CD18 and other adhesion molecules in inflammation are elucidated.

Conclusions:

  • CD18 integrins are essential for regulating leukocyte migration dynamics during inflammation.
  • Understanding CD18 function provides insights into inflammatory processes and potential therapeutic targets.

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