Demonstration That C-Reactive Protein Decreases eNOS Expression and Bioactivity in Human Aortic Endothelial Cells

作者: Senthil Kumar Venugopal , Sridevi Devaraj , Ivan Yuhanna , Philip Shaul , Ishwarlal Jialal

DOI: 10.1161/01.CIR.0000033116.22237.F9

关键词:

摘要: Background— C-reactive protein (CRP), the prototypic marker of inflammation, has been shown to be an independent predictor cardiovascular events. Endothelial nitric oxide synthase (eNOS) deficiency is a pivotal event in atherogenesis. Methods and Results— We tested effect CRP on eNOS expression bioactivity cultured human aortic endothelial cells (HAECs). decreased mRNA, abundance, enzyme activity HAECs. Furthermore, assayed by cyclic GMP levels was significantly reduced CRP. Preincubation with also increased adhesion monocytes Conclusion— causes direct reduction HAECs, further supporting its role

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