This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Integrins include all the following Receptor except ? \nSelect and explain. \nA. Fibronectin, B. Glycoprotein on platelet surface, C. Leukocyte adhesion molecule, D. Platelet derived growth factor', 'role': 'user'}, {'content': "Answer: D \nExplanation: 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.", 'role': 'assistant'}]