[Interest in variations in soluble ICAM-1 plasma levels. From physiology to clinical applications]

E Gomez-Scotto1, M Seigneur, M Renard

  • 1Laboratoire Universitaire d'Hématologie, Université Victor Ségalen, Bordeaux, France.

Insights

Intracellular adhesion molecule 1 (ICAM-1) is an immunoglobulin superfamily member on endothelial cells. Activated ICAM-1 mediates stable leukocyte adhesion by binding integrin receptors, influencing cell interactions.

Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Biology

Context:

  • Intracellular adhesion molecule 1 (ICAM-1) is an immunoglobulin superfamily member expressed on endothelial cells.
  • ICAM-1 plays a crucial role in leukocyte adhesion to the endothelium.
  • Both membrane-bound and soluble forms of ICAM-1 exist.

Purpose:

  • To describe the role of ICAM-1 in cell adhesion.
  • To elucidate the binding interactions of ICAM-1 with leukocyte integrins.

Summary:

  • ICAM-1, an adhesion molecule, is present on endothelial cell membranes.
  • Upon activation, ICAM-1 facilitates stable leukocyte adhesion to the endothelial surface.
  • ICAM-1 binds leukocyte integrin receptors like LFA-1 and Mac-1, modulating cell adhesion processes.

Impact:

  • Understanding ICAM-1 function is vital for studying inflammatory and immune responses.
  • This knowledge can inform therapeutic strategies targeting leukocyte-endothelial interactions.
  • ICAM-1's role in cell adhesion impacts various physiological and pathological conditions.