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|Title:||Effects of shear stress on protein C activation, EPCR expression and TM expression in endothelial cells.|
|Authors:||Jun, P. |
|Citation:||Jun, P.,Huangqing, C.,Xiaoheng, L.,Ruheng, L.,Xiaohong, Z. (2009-04). Effects of shear stress on protein C activation, EPCR expression and TM expression in endothelial cells.. Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi 26 (2) : 303-309. ScholarBank@NUS Repository.|
|Abstract:||The protein C anticoagulant pathway plays a fundamental role in the control of coagulation system and inflammatory response. It has been well established that physiological levels of shear stress induce endothelial structural change and modulate gene and protein expression. However, the role of shear stress in protein C pathway remains unknown. In the present study, we evaluated the effect of shear stress on the activation of protein C as well as on the expression of endothelial protein C receptor (EPCR) and thrombomodulin (TM) in human umbilical vein endothelial cells (HUVECs) which were exposed to TNF-alpha alone, shear stress alone, and TNF-alpha under shear stress. We found: (1) Either TNF-alpha or shear stress alone significantly reduced EPCR expression and protein C activation in HUVECs; and simultaneous exposure of HUVECs to TNF-alpha and shear stress resulted in a further decrease of EPCR expression and protein C activation (P|
|Source Title:||Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi|
|Appears in Collections:||Staff Publications|
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