AT2 receptors: functional relevance in cardiovascular disease.

AT2 receptors: functional relevance in cardiovascular disease.
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DOI:
10.1016/j.pharmthera.2008.08.009
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发表时间:
2008-12
影响因子:
13.5
通讯作者:
Widdop RE
Widdop RE
中科院分区:
医学1区
文献类型:
--
作者:
Jones ES;Vinh A;McCarthy CA;Gaspari TA;Widdop RE

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肾素血管紧张素系统(RAS)复杂地参与了正常的心血管内稳态。八肽血管紧张素II的过度刺激通过激活血管紧张素1型受体(AT1R)而导致一系列心血管病理和疾病。另一方面,埃尔塞维尔公司的血管紧张素2型受体(AT2R)被认为是对AT1R功能的反向调节。在这篇综述中,我们描述了AT2R在各种心血管疾病环境中的增强表达和功能。此外,我们还发现RAS是由一系列血管紧张素系统多肽组成的,这些血管紧张素系统发挥着与血管紧张素Ⅱ不同的心血管作用。在心血管疾病中,在血管紧张素Ⅱ的刺激下,AT2R的功能重要性可能会增加,甚至更短的血管紧张素肽片段,以限制AT1R介导的过度活动和心血管病理。
The renin angiotensin system (RAS) is intricately involved in normal cardiovascular homeostasis. Excessive stimulation by the octapeptide angiotensin II contributes to a range of cardiovascular pathologies and diseases via angiotensin type 1 receptor (AT1R) activation. On the other hand, tElsevier Inc.he angiotensin type 2 receptor (AT2R) is thought to counter-regulate AT1R function. In this review, we describe the enhanced expression and function of AT2R in various cardiovascular disease settings. In addition, we illustrate that the RAS consists of a family of angiotensin peptides that exert cardiovascular effects that are often distinct from those of Ang II. During cardiovascular disease, there is likely to be an increased functional importance of AT2R, stimulated by Ang II, or even shorter angiotensin peptide fragments, to limit AT1R-mediated overactivity and cardiovascular pathologies.
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