Key result
CRP directly reduces endothelial eNOS expression and bioactivity in vitro.
Why the study?
C-reactive protein is an independent predictor of cardiovascular events, and endothelial nitric oxide synthase deficiency is pivotal in atherogenesis, but the direct effect of CRP on eNOS expression and bioactivity was unclear.
Does C-reactive protein decrease eNOS expression and bioactivity in cultured human aortic endothelial cells?
Does C-reactive protein decrease eNOS expression and bioactivity in cultured human aortic endothelial cells?
CRP directly reduces eNOS expression and bioactivity in human aortic endothelial cells, providing a mechanistic link for its role in atherogenesis.
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No change to clinical CRP use indicated; extends mechanistic support for CRP in atherogenesis but requires in vivo confirmation.
Venugopal et al. (2002) studied this question. C-reactive protein (CRP) was evaluated on eNOS expression and bioactivity. C-reactive protein directly reduced eNOS expression and bioactivity in cultured human aortic endothelial cells, supporting its role in atherogenesis.
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