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Review
. 2018 Jan:97:423-428.
doi: 10.1016/j.biopha.2017.10.122. Epub 2017 Nov 6.

Nitric oxide bioavailability dysfunction involves in atherosclerosis

Jing-Yi Chen  1 , Zi-Xin Ye  1 , Xiu-Fen Wang  1 , Jian Chang  1 , Mei-Wen Yang  1 , Hua-Hua Zhong  2 , Fen-Fang Hong  3 , Shu-Long Yang  4
Affiliations
Review

Nitric oxide bioavailability dysfunction involves in atherosclerosis

Jing-Yi Chen et al. Biomed Pharmacother. 2018 Jan.

Abstract

The pathological characteristics of atherosclerosis (AS) include lipid accumulation, fibrosis formation and atherosclerotic plaque produced in artery intima, which leads to vascular sclerosis, lumen stenosis and irritates the ischemic changes of corresponding organs. Endothelial dysfunction was closely associated with AS. Nitric oxide (NO) is a multifunctional signaling molecule involved in the maintenance of metabolic and cardiovascular homeostasis. NO is also a potent endogenous vasodilator and enters for the key processes that suppresses the formation vascular lesion even AS. NO bioavailability indicates the production and utilization of endothelial NO in organisms, its decrease is related to oxidative stress, lipid infiltration, the expressions of some inflammatory factors and the alteration of vascular tone, which plays an important role in endothelial dysfunction. The enhancement of arginase activity and the increase in asymmetric dimethylarginine and hyperhomocysteinemia levels all contribute to AS by intervening NO bioavailability in human beings. Diabetes mellitus, obesity, chronic kidney disease and smoking, etc., also participate in AS by influencing NO bioavailability and NO level. Here, we reviewed the relationship between NO bioavailability and AS according the newest literatures.

Keywords: Atherosclerosis; Endothelial dysfunction; NO bioavailability; Nitric oxide; Nitric oxide synthase.

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