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Activation of the small GTP-binding protein Ras in the heart by hypertrophic agonists.

Sugden, P. H. and Clerk, A. (2000) Activation of the small GTP-binding protein Ras in the heart by hypertrophic agonists. Trends in cardiovascular medicine, 10 (1). pp. 1-8. ISSN 1050-1738

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Abstract/Summary

The small (21-kDa) guanine nucleotide-binding protein Ras plays a central role in the regulation of cell growth and division. In the cardiac myocyte, it has been implicated in the hypertrophic adaptation. We have recently examined the ability of hypertrophic agonists such as endothelin-1, phenylephrine and phorbol esters to increase the "activity" (GTP loading) of Ras. We have also studied the signaling events that lead to activation of Ras and the processes that respond to Ras activation. In this brief review, we describe these studies and set them within the context of the hypertrophic response.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Biomedical Sciences
ID Code:50930

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