Journal
BRITISH JOURNAL OF PHARMACOLOGY
Volume 158, Issue 1, Pages 32-40Publisher
WILEY
DOI: 10.1111/j.1476-5381.2009.00180.x
Keywords
G proteins; G12 subfamily; oncogenic transformation; migration; invasion; metastasis
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The G12 subfamily of heterotrimeric guanine nucleotide-binding proteins consists of two a subunits, Ga12 and Ga13. These proteins mediate signalling via G protein-coupled receptors and have been implicated in various physiological and pathophysiological processes. A number of direct and indirect effectors of Ga12 and Ga13 have been identified that mediate, or have been proposed to mediate, the diverse cellular responses accompanying activation of G12 proteins. This review describes the signalling pathways and cellular events stimulated by G12 proteins, with a particular emphasis on processes that are important in regulating cell migration and invasion, and could potentially be involved in the pathophysiology of cancer metastasis. Experimental findings directly implicating G12 proteins in the spread of metastatic disease are also summarized, indicating the importance of targeted inhibition of G12 signalling as a potential therapeutic option for locally advanced and metastatic disease. British Journal of Pharmacology (2009) 158, 32-40; doi:10.1111/j.1476-5381.2009.00180.x; published online 30 April 2009
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