AT1 receptor signaling pathways in the cardiovascular system.

AT1 receptor signaling pathways in the cardiovascular system.
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DOI:
10.1016/j.phrs.2017.05.008
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发表时间:
2017-11
影响因子:
9.3
通讯作者:
Eguchi S
Eguchi S
中科院分区:
医学1区
文献类型:
--
作者:
Kawai T;Forrester SJ;O'Brien S;Baggett A;Rizzo V;Eguchi S

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肾素-血管紧张素-醛固酮系统在心血管生理学和病理生理学中的重要性已被充分描述,但详细的分子机制仍不清楚。血管紧张素II 1型受体(AT 1受体)是肾素血管紧张素醛固酮系统的关键参与者之一。AT 1受体促进多种细胞内信号传导途径,导致高血压、内皮功能障碍、血管重塑和终末器官损伤。越来越多的证据显示了AT 1受体介导的信号转导、AT 1受体介导的异源三聚体G蛋白依赖性信号转导、生长因子受体的反式激活、NADPH氧化酶和ROS信号转导、G蛋白非依赖性信号转导(包括β-arrestin信号)以及与几种AT 1受体相互作用蛋白的相互作用的复杂图景。此外,AT 1受体信号通路与其他信号通路之间存在功能性串扰。本文就心血管系统中重要的AT 1受体信号传导事件及其功能意义作一综述。
The importance of the renin angiotensin aldosterone system in cardiovascular physiology and pathophysiology has been well described whereas the detailed molecular mechanisms remain elusive. The angiotensin II type 1 receptor (AT1 receptor) is one of the key players in the renin angiotensin aldosterone system. The AT1 receptor promotes various intracellular signaling pathways resulting in hypertension, endothelial dysfunction, vascular remodeling and end organ damage. Accumulating evidence shows the complex picture of AT1 receptor-mediated signaling; AT1 receptor-mediated heterotrimeric G protein-dependent signaling, transactivation of growth factor receptors, NADPH oxidase and ROS signaling, G protein-independent signaling, including the β-arrestin signals and interaction with several AT1 receptor interacting proteins. In addition, there is functional cross-talk between the AT1 receptor signaling pathway and other signaling pathways. In this review, we will summarize an up to date overview of essential AT1 receptor signaling events and their functional significances in the cardiovascular system.
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