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Cell-cell interactions: leukocyte-endothelial interactions.

Thomas M McIntyre1, Stephen M Prescott, Andrew S Weyrich

  • 1Huntsman Cancer Institute, Program in Human Molecular Biology and Genetics and Departments of Internal Medicine and Pathology, University of Utah School of Medicine, Salt Lake City, Utah 84112, USA.

Current Opinion in Hematology
|February 13, 2003
PubMed
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Leukocyte-endothelial interactions are crucial for host defense but can cause inflammatory diseases when dysregulated. Understanding these cell-cell interactions is key to developing treatments for various pathologies.

Area of Science:

  • Cellular biology
  • Immunology
  • Pathophysiology

Background:

  • Leukocyte-endothelial interactions are fundamental to inflammation, immune surveillance, and tissue repair.
  • Dysregulated interactions contribute to inflammatory tissue injury, thrombosis, neoplasia, and sickle cell vasculopathy.

Purpose of the Study:

  • To review the multifaceted roles of leukocyte-endothelial interactions in both health and disease.
  • To highlight the molecular mechanisms governing these interactions and their regulatory checkpoints.

Main Methods:

  • Review of existing literature on leukocyte-endothelial cell interactions.
  • Analysis of molecular mediators including selectins, signaling molecules, integrins, and junctional molecules.
  • Examination of neutrophil-endothelial cell interactions as a model system.

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Main Results:

  • Leukocyte-endothelial interactions involve a multistep process with multiple regulatory checkpoints.
  • Key mediators include selectins, lipids, chemokines, integrins, and junctional molecules.
  • Dysregulation of these interactions underlies various pathological conditions.

Conclusions:

  • Leukocyte-endothelial interactions are critical at multiple checkpoints in physiological and pathological processes.
  • Understanding these interactions is vital for addressing inflammatory diseases, thrombosis, and other related conditions.