Mechanisms and consequences of endothelial nitric oxide synthase dysfunction in hypertension : Journal of Hypertension

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Mechanisms and consequences of endothelial nitric oxide synthase dysfunction in hypertension

Li, Qiang; Youn, Ji-Youn; Cai, Hua

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Journal of Hypertension 33(6):p 1128-1136, June 2015. | DOI: 10.1097/HJH.0000000000000587

Abstract

Reduced nitric oxide bioavailability contributes to endothelial dysfunction and hypertension. The endothelial isoform of nitric oxide synthase (eNOS) is responsible for the production of nitric oxide within the endothelium. Loss of eNOS cofactor tetrahydrobiopterin to initial increase in oxidative stress leads to uncoupling of eNOS, in which the enzyme produces superoxide anion rather than nitric oxide, further substantiating oxidative stress to induce vascular pathogenesis. The current review focuses on recent advances on the molecular mechanisms and consequences of eNOS dysfunction in hypertension, and potential novel therapeutic strategies restoring eNOS function to treat hypertension.

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