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Related Experiment Videos

Intercellular adhesion molecule-1

A van de Stolpe1, P T van der Saag

  • 1Department of Hematology, University Hospital Nijmegen, Netherlands.

Journal of Molecular Medicine (Berlin, Germany)
|January 1, 1996
PubMed
Summary

Intercellular Adhesion Molecule 1 (ICAM-1) is crucial for immune responses and leukocyte migration. Dysregulation of ICAM-1 contributes to various diseases, offering potential therapeutic targets.

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Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Biology

Background:

  • Intercellular Adhesion Molecule 1 (ICAM-1) is an Ig-like molecule on leukocytes and endothelial cells.
  • ICAM-1 expression is regulated by cytokines and inhibited by glucocorticoids.
  • Its ligands include integrins, fibrinogen, hyaluronan, viruses, and malaria-infected erythrocytes.

Purpose of the Study:

  • To explore the regulation and function of ICAM-1.
  • To investigate the role of ICAM-1 in inflammatory and immune processes.
  • To examine the pathophysiological significance of ICAM-1 in various diseases.

Main Methods:

  • Analysis of ICAM-1 promoter elements, including a novel kappa B element.
  • Investigation of cell-specific expression regulation.
  • Examination of ICAM-1's role in T-cell activation and leukocyte migration.
  • Detection of soluble ICAM-1 (sICAM-1) in plasma.

Main Results:

  • ICAM-1 expression is primarily transcriptionally regulated via enhancer elements.
  • ICAM-1 acts as a costimulatory molecule in T-cell activation.
  • ICAM-1 facilitates leukocyte migration to inflammatory sites.
  • Elevated sICAM-1 levels are observed in numerous pathological conditions.

Conclusions:

  • ICAM-1 plays a significant role in immune function and host defense.
  • Deranged ICAM-1 expression contributes to diseases like malignancies, inflammatory disorders, and neurological conditions.
  • Targeting ICAM-1 interactions presents potential therapeutic strategies for various diseases.

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