A family of transmembrane glycoproteins (membrane glycoproteins) consisting of noncovalent heterodimers. They interact with a wide variety of ligands including extracellular matrix proteins; COMPLEMENT, and other cells, while their intracellular domains interact with the cytoskeleton. The integrins consist of at least three identified families: the cytoadhesin receptors(receptors, cytoadhesin), the leukocyte adhesion receptors (RECEPTORS, LEUKOCYTE ADHESION), and the VERY LATE ANTIGEN RECEPTORS. Each family contains a common beta-subunit (integrin beta chains) combined with one or more distinct alpha-subunits (integrin alpha chains). These receptors participate in cell-matrix and cell-cell adhesion in many physiologically important processes, including embryological development; hemostasis; thrombosis; wound healing; immune and nonimmune defense mechanisms; and oncogenic transformation.

Symptoms and diagnosis



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