Roles of eNOS in atherosclerosis treatment
Atherosclerosis (AS) is the main pathogeny of coronary heart disease, cerebral infarction and peripheral vascular disease. Endothelial dysfunction is one of the important pathogenesis of AS. As an important endothelium-derived relaxation factor, nitric oxide (NO) plays a role in cardiovascular protection and anti-AS function; but in the pathological state, endothelial nitric oxide synthase (eNOS) disorder causes an abnormal production of NO, which may damage endothelial function and trigger AS. This review summarized the research progresses in the treatment strategies for AS based on correcting the disordered eNOS/ NO signaling pathway.
According to the topic, select the search terms ‘atherosclerosis,’ ‘nitric oxide,’ ‘eNOS,’ ‘treatment,’ ‘management,’ ‘medication,’ ‘maintenance,’ ‘remission’. Using these terms, a structured literature search via multiple electronic databases was performed for the most recent trial evidence in recent years. We read and analyze these literatures carefully, classified these literatures according to their content, and then summarized and outlined the common main points in these classified literatures. Finally, literature data were organized to discuss these main points logically. We found that both aberrant expression and dysfunction of eNOS are closely related to AS development, and some new treatment strategies aimed at eNOS have been proposed, including upregulation of eNOS expression and inhibition of eNOS uncoupling. The former one is mainly related to inflammatory inhibition and protection of the PKB-eNOS signaling pathway; whereas the latter one is associated with the addition of the L-arginine substrate of eNOS, arginase inhibition, and the supplement of tetrahydrobiopterin, which can elevate no level.
eNOS can be an important target for prevention and treatment of AS, and eNOS drugs may be another potent class of effective therapeutic treatment for AS following traditional lipid-lowering, anti-platelet, vasodilator drugs. But applying these experimental results to clinic treatment still requires further studies and development of biotechnology.
KeywordsAtherosclerosis Endothelial nitric oxide synthase Arginase Tetrahydrobiopterin Treatment
This work was supported by National Natural Science Foundation of China (nos. 81660751, 81660151 and 81260504); Key Research and Development Program of Jiangxi Province of China (no. 20161BBG70067) and Jiangxi Provincial Natural Science Foundation of China (no. 20171BAB205085).
XL and HK contributed to paper revision and writing promotion in grammars and languages; WeiL, SL and SH wrote the paper; FH and SY are responsible for the idea and fund.
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