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20-羟基二十碳四烯酸与高血压

20-HETE and Hypertension.

作者信息

Roman Richard J

机构信息

Department of Pharmacology, University of Mississippi Medical Center, Jackson, MS.

出版信息

Hypertension. 2024 Oct;81(10):2012-2015. doi: 10.1161/HYPERTENSIONAHA.124.21718. Epub 2024 Aug 28.

Abstract

Previous studies established that arachidonic acid is metabolized by the cytochrome P450 (CYP) enzymes of the 4A and 4F families to 20-hydroxyeicosatetraenoic (20-HETE) that regulates renal function and vascular tone. Elevations in the 20-HETE have been reported to increase blood pressure by promoting endothelial dysfunction, vascular inflammation, oxidative stress and endothelial expression of angiotensin-converting enzyme, which increase circulating angiotensin II levels. However, mutations in and that inhibit the formation of 20-HETE have been linked to hypertension in human genetic studies, and a deficiency in 20-HETE promotes sodium retention and hypertension in Dahl salt-sensitive rats. This Perspective focuses on knowledge gaps concerning the pro- versus anti-hypertensive actions of 20-HETE and the GPR75/20-HETE receptor in mediating these effects.

摘要

先前的研究表明,花生四烯酸被4A和4F家族的细胞色素P450(CYP)酶代谢为20-羟基二十碳四烯酸(20-HETE),后者调节肾功能和血管张力。据报道,20-HETE水平升高会通过促进内皮功能障碍、血管炎症、氧化应激和血管紧张素转换酶的内皮表达来升高血压,进而增加循环中的血管紧张素II水平。然而,在人类遗传学研究中,抑制20-HETE形成的[具体基因名称缺失]和[具体基因名称缺失]突变与高血压有关,并且在 Dahl 盐敏感大鼠中,20-HETE缺乏会促进钠潴留和高血压。本观点聚焦于关于20-HETE的降压与升压作用以及GPR75/20-HETE受体在介导这些效应方面的知识空白。

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