Intercellular Adhesion Molecule 1 (ICAM1)

CD54; BB2; P3.58; Human Rhinovirus Receptor; Major group rhinovirus receptor

SPN	W262
HGNC	5344
MGI	96392
PubMed	15853902
RGD	2857
UniProt	P05362
Wiki	ICAM-1

ICAM-1 is a type of intercellular adhesion molecule continuously present in low concentrations in the membranes of leukocytes and endothelial cells. Upon cytokine stimulation, the concentrations greatly increase. ICAM-1 can be induced by interleukin-1 (IL-1) and tumor necrosis factor alpha (TNFα) and is expressed by the vascular endothelium, macrophages, and lymphocytes. ICAM-1 is a ligand for LFA-1 (integrin), a receptor found on leukocytes.

When activated, leukocytes bind to endothelial cells via ICAM-1/LFA-1 and then transmigrate into tissues.ICAM-1 has been implicated in subarachnoid hemorrhage (SAH). Levels of ICAM-1 are shown to be significantly elevated in patients with SAH over control subjects in many studies.

Reference

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