Rho GTPase signaling complexes in cell migration and invasion.

Rho GTPase signaling complexes in cell migration and invasion.
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DOI:
10.1083/jcb.201612069
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发表时间:
2018-02-05
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Ridley AJ
Ridley AJ
中科院分区:
其他
文献类型:
--
作者:
Lawson CD;Ridley AJ

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Lawson和Ridley回顾了GEF和GAP在形成调节Rho GTP酶细胞迁移和入侵的复合体中的作用。细胞的迁移依赖于肌动蛋白细丝结构的动态形成和分解,包括片状脂胞、丝足、内足和膜泡,以及细胞与细胞和细胞与细胞外基质的粘连。这些过程都涉及Rho家族的小鸟苷三磷酸酶(GTP),它们受鸟嘌呤核苷酸交换因子(GEF)和GTP酶激活蛋白(GAP)的相反作用调节。Rho GTPase活性需要在不同的细胞位置进行精确的调节,以使细胞能够对不同的环境和刺激做出反应。在这篇综述中,我们重点介绍了RhoGEF和RhoGAP与不同结合伙伴形成复合体的能力,并描述了这如何影响它们在迁移和入侵背景下控制局部GTPase活性的能力。
Lawson and Ridley review the roles of GEFs and GAPs in forming complexes that regulate Rho GTPases for cell migration and invasion. Cell migration is dependent on the dynamic formation and disassembly of actin filament–based structures, including lamellipodia, filopodia, invadopodia, and membrane blebs, as well as on cell–cell and cell–extracellular matrix adhesions. These processes all involve Rho family small guanosine triphosphatases (GTPases), which are regulated by the opposing actions of guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Rho GTPase activity needs to be precisely tuned at distinct cellular locations to enable cells to move in response to different environments and stimuli. In this review, we focus on the ability of RhoGEFs and RhoGAPs to form complexes with diverse binding partners, and describe how this influences their ability to control localized GTPase activity in the context of migration and invasion.
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