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Non-canonical functions of RGS proteins.

Abstract：

:Regulators of G protein signalling (RGS) proteins are united into a family by the presence of the RGS domain which serves as a GTPase-activating protein (GAP) for various Galpha subunits of heterotrimeric G proteins. Through this mechanism, RGS proteins regulate signalling of numerous G protein-coupled receptors. In addition to the RGS domains, RGS proteins contain diverse regions of various lengths that regulate intracellular localization, GAP activity or receptor selectivity of RGS proteins, often through interaction with other partners. However, it is becoming increasingly appreciated that through these non-RGS regions, RGS proteins can serve non-canonical functions distinct from inactivation of Galpha subunits. This review summarizes the data implicating RGS proteins in the (i) regulation of G protein signalling by non-canonical mechanisms, (ii) regulation of non-G protein signalling, (iii) signal transduction from receptors not coupled to G proteins, (iv) activation of mitogen-activated protein kinases, and (v) non-canonical functions in the nucleus.

journal_name

Cell Signal

journal_title

Cellular signalling

authors

Sethakorn N,Yau DM,Dulin NO

doi

10.1016/j.cellsig.2010.03.016

subject

Has Abstract

pub_date

2010-09-01 00:00:00

pages

1274-81

issue

9

eissn

0898-6568

issn

1873-3913

pii

S0898-6568(10)00090-2

journal_volume

22

pub_type

杂志文章,评审

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