Integrins include all the following Receptor except ?: (A) Fibronectin, (B) Glycoprotein on platelet surface, (C) Leukocyte adhesion molecule, (D) Platelet derived growth factor
Answer is D. Ans. is 'd' i.e., Platelet derived growth factor o Integrin superfamily consists of proteins that promote cell to cell or cell to matrix adhesion (in contrast selectins promote only cell to cell adhesion). o The extracellular domain binds to : - Matrix glycoproteins Adhesions molecules on other cells Activated complement components Fibronectin and vitronectin molecules.