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: Microbiology
[{'content': 'Integrins are associated with all of the following except: September 2009 \nSelect and explain. \nA. Adhesion, B. Arrest, C. Rolling, D. Transmigration of cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Rolling The integrins are a superfamily of cell adhesion receptors that bind to extracellular matrix ligands, cell-surface ligands, and soluble ligands. Immunologically impoant integrin ligands are the intercellular adhesion molecules (ICAMs), immunoglobulin superfamily members present on inflamed endothelium and antigen-presenting cells. On ligand binding, integrins transduce signals into the cell interior; they can also receive intracellular signals that regulate their ligand-binding affinity', 'role': 'assistant'}]