Fluid shear stress play an important role in many physiological and pathophysiological processes of cardiovascular system. Shear stress - induced signal transduction throughout the vascular endothelial cell includes ion channels,G- protein linked receptors, tyrosine kinase receptors and integrins. The one impossible pathway of shear stress - induced signal transduction was biochemical reaction through second messenger, activating protein kinases and cytosolic transcription factors, and then regulating gene transcription . The other pathway was cytoskeletal system. This article reviewed the cellular and molecular mechanism of potassium channel signal transduction resulting from shear stress.
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