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首页> 外文期刊>Cellular Signalling >The cardiac beta(2)-adrenergic signalling a new role for the cPLA(2)
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The cardiac beta(2)-adrenergic signalling a new role for the cPLA(2)

机译:心脏beta(2)-肾上腺素信号传导cPLA(2)的新作用

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摘要

The cardiac actions of catecholamines have long been attributed to the predominant beta(1)-AR subtype that couples to the classical Gs/AC/cAMP pathway. Recent research clearly indicates that cardiac beta(2)-ARs play a functional role in healthy heart and assume increasing importance in failing and aged heart. beta(2)-ARs are primarily coupled to an atypical compartmentalized cAMP pathway, regulated by phosphorylation and/or oligomerization of beta(2)-ARs, and under the control of additional beta(2)-AR/Gi-coupled lipidic pathways, the impact of which seems to vary depending on the animal species, the developmental and pathophysiological state. This review focuses, more especially, on one of the last identified beta(2)-AR/Gi pathway, namely the cPLA(2). (C) 2004 Elsevier Inc. All rights reserved.
机译:儿茶酚胺的心脏作用长期以来一直归因于与经典Gs / AC / cAMP途径偶联的主要beta(1)-AR亚型。最近的研究清楚地表明,心脏beta(2)-ARs在健康的心脏中起功能性作用,并且在衰竭和衰老的心脏中越来越重要。 beta(2)-ARs主要与非典型的间隔cAMP途径偶联,受β(2)-ARs的磷酸化和/或寡聚化作用调节,并在其他beta(2)-AR / Gi偶联脂质途径的控制下,其影响似乎取决于动物种类,发育和病理生理状态。这项审查,尤其是侧重于最后确定的beta(2)-AR / Gi途径之一,即cPLA(2)。 (C)2004 Elsevier Inc.保留所有权利。

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