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首页> 外文期刊>Frontiers in neuroendocrinology >Molecular diversity of cyclic AMP signalling.
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Molecular diversity of cyclic AMP signalling.

机译:环状AMP信号传导的分子多样性。

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摘要

Several neuroendocrine control systems are prominently controlled by G-protein coupled receptors that activate the cAMP signal transduction pathway. The discovery of multiple genes that encode the molecular machinery of cAMP metabolism has revolutionized our knowledge of cAMP mediated processes. This perhaps all too familiar second messenger can be generated by nine different membrane enzymes in the context of varied levels of activation of G proteins as well as Ca(2+)- and protein kinase C-dependent processes. The amplitude, length and subcellular distribution of the cAMP signal are further modulated by over twenty functionally distinct isotypes of cAMP-degrading phosphodiesterases in a cell- and stimulus-specific manner. The present review summarizes the key properties of the molecular machinery that generates the cAMP signal and highlights how it is deployed in neuroendocrine systems. Copyright 2000 Academic Press.
机译:几种神经内分泌控制系统受到激活cAMP信号转导途径的G蛋白偶联受体的显着控制。编码cAMP代谢分子机制的多个基因的发现彻底改变了我们对cAMP介导的过程的认识。在G蛋白活化的各种水平以及Ca(2 +)-和蛋白激酶C依赖性过程的背景下,可能由九种不同的膜酶产生了这种可能太熟悉的第二信使。 cAMP信号的幅度,长度和亚细胞分布进一步通过二十多种功能不同的同型降解cAMP的磷酸二酯酶以细胞和刺激特异性的方式进行调节。本综述总结了产生cAMP信号的分子机制的关键特性,并强调了它如何在神经内分泌系统中部署。版权所有2000学术出版社。

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