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Chemokines and tissue injury

M B Furie1, G J Randolph

  • 1Department of Pathology, School of Medicine, State University of New York at Stony Brook, USA.

The American Journal of Pathology
|June 1, 1995
PubMed
Summary

Chemokines, or chemotactic cytokines, are key in inflammation by recruiting leukocytes. Targeting these signaling molecules may offer new treatments for inflammatory diseases.

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Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Medicine

Background:

  • Leukocyte accumulation at inflammation sites is vital for host defense.
  • Leukocyte secretory products can damage healthy tissues during inflammation.
  • Chemokines (chemotactic cytokines) are critical regulators of leukocyte recruitment and activation.

Purpose of the Study:

  • To elucidate the multifaceted role of chemokines in leukocyte recruitment and inflammatory processes.
  • To explore the mechanisms by which chemokines influence leukocyte behavior at inflammatory sites.
  • To assess the contribution of chemokines to inflammatory conditions and their therapeutic potential.

Main Methods:

  • In vitro studies analyzing chemokine-mediated leukocyte adhesion and migration.
  • In vitro experiments investigating chemokine-induced leukocyte effector functions.
  • In vivo animal studies using neutralizing antibodies against specific chemokines.

Main Results:

  • Chemokines promote leukocyte adhesion to endothelium by activating integrins.
  • Chemokines guide leukocytes through tissues to inflammatory foci via chemoattraction.
  • Chemokines activate leukocyte effector functions, including reactive oxygen intermediate production and enzyme release.
  • Neutralization of chemokines in animal models confirmed their role in acute and chronic inflammation.

Conclusions:

  • Chemokines orchestrate multiple phases of leukocyte recruitment and activation.
  • Chemokines are significant contributors to the pathogenesis of inflammatory diseases.
  • Targeting chemokines or enhancing their regulatory mechanisms presents a viable therapeutic strategy for inflammatory conditions.

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