Regulation of G protein-coupled receptor endocytosis by ARF6 GTP-binding proteins.

Regulation of G protein-coupled receptor endocytosis by ARF6 GTP-binding proteins.
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ARF6 GTP 结合蛋白对 G 蛋白偶联受体内吞作用的调节。

DOI:
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发表时间:
2004
期刊:
Biochemistry and cell biology = Biochimie et biologie cellulaire
影响因子:
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通讯作者:
A. Claing
A. Claing
中科院分区:
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作者:
A. Claing

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G蛋白偶联受体的功能受多种膜结合蛋白和细胞内蛋白的调节。它们协同作用,激活信号通路,导致激活的受体脱敏,对大多数类型的受体来说,它们被运输到细胞内的隔室。这篇综述主要集中在G蛋白偶联受体所使用的内吞途径,以及在内化过程中起重要作用的蛋白质,尤其是ADP核糖化因子。这一蛋白质家族已被证明对囊泡在不同细胞膜之间的运输非常重要。关于调节激动剂刺激的受体内化的分子机制的最新发现在这里提出。最后,对ARF6蛋白如何调控内化过程进行了展望。
The function of G protein-coupled receptors is regulated by a broad variety of membrane-bound and intracellular proteins. These act in concert to activate signaling pathways that will lead to the desensitization of activated receptors and, for most receptor types, their trafficking to intracellular compartments. This review focuses mainly on the endocytic pathways used by a G protein-coupled receptor and on the proteins that play an essential role in the regulation of the internalization process, most specifically the ADP-ribosylation factors. This family of proteins has been shown to be important for vesicle trafficking between different cellular membranes. The latest findings regarding the molecular mechanisms that regulate internalization of an agonist-stimulated receptor are presented here. Finally, a perspective on how ARF6 proteins might regulate the internalization process is also proposed.
DOI: --
发表时间: 2001-02
影响因子: 4
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