Expression of RGS3, RGS4 and Gi alpha 2 in acutely failing donor hearts and end-stage heart failure

Abstract excerpt

BACKGROUND: Regulators of G-protein Signalling (RGS) proteins have been shown to limit in vitro signalling of G proteins. In common with end-stage heart failure, we have recently shown that upregulation of the inhibitory G-protein, Gialpha, occurs in acutely failing donor hearts unused for transplantation due to severe myocardial dysfunction. In light of recent data on RGS proteins, we have evaluated mRNA and...

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