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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Heterotrimeric G proteins in heart disease.
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Heterotrimeric G proteins in heart disease.

机译:心脏病中的异三聚体G蛋白。

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摘要

Guanine nucleotide binding proteins (G proteins) are largely grouped into three classes: heterotrimeric G proteins, ras-like or small molecular weight GTP binding proteins, and others like Gh. In the heart G proteins transduce signals from a variety of membrane receptors to generate diverse effects on contractility, heart rate, and myocyte growth. This central position of G proteins forming a switchboard between extracellular signals and intracellular effectors makes them candidates possibly involved in the pathogenesis of cardiac hypertrophy, heart failure, and arrhythmia. This review focuses primarily on discoveries of heterotrimeric G protein alterations in heart diseases that help us to understand the pathogenesis and pathophysiology. We also discuss the underlying molecular mechanisms of heterotrimeric G protein signalling.
机译:鸟嘌呤核苷酸结合蛋白(G蛋白)大致分为三类:异三聚体G蛋白,ras样或小分子量GTP结合蛋白,以及其他类似Gh。在心脏中,G蛋白转导来自各种膜受体的信号,从而对收缩力,心率和心肌细胞生长产生多种影响。 G蛋白的这种中心位置形成了细胞外信号和细胞内效应子之间的转换板,使其成为可能参与心脏肥大,心力衰竭和心律不齐的发病机制的候选基因。这篇综述主要侧重于心脏病中异三聚体G蛋白改变的发现,这些改变有助于我们了解发病机理和病理生理学。我们还讨论了异三聚体G蛋白信号传导的潜在分子机制。

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