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Arch Physiol Biochem. 2011 Jul;117(3):125-30. doi: 10.3109/13813455.2011.584693. Epub 2011 May 26.

G Protein-coupled receptor kinase 2 (GRK2): A novel modulator of insulin resistance.

Author information

1
Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC-UAM), 28049 Madrid, Spain. fmayor@cbm.uam.es

Abstract

G protein-coupled receptor kinase 2 (GRK2) is emerging as a key, integrative node in many signalling pathways. Besides its canonical role in the modulation of the signalling mediated by many G protein-coupled receptors (GPCR), this protein can display a very complex network of functional interactions with a variety of signal transduction partners, in a stimulus, cell type, or context-specific way. We review herein recent data showing that GRK2 can regulate insulin-triggered transduction cascades at different levels and that this protein plays a relevant role in insulin resistance and obesity in vivo, what uncovers GRK2 as a potential therapeutic target in the treatment of these disorders.

PMID:
21615207
DOI:
10.3109/13813455.2011.584693
[Indexed for MEDLINE]

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