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This article has been peer reviewed and is published in Circulation.

Volume 125, Issue 25, 26 June 2012, Pages 3159-3169

The published version is available at DOI: 10.1161/CIRCULATIONAHA.112.099937. © 2012 American Heart Association, Inc.


BACKGROUND: Obesity and diabetes mellitus adversely affect postischemic heart remodeling via incompletely understood mechanisms. C1q/tumor necrosis factor-related protein-3 (CTRP3) is a newly identified adipokine exerting beneficial metabolic regulation, similar to adiponectin. The aim of the present study was to determine whether CTRP3 may regulate postischemic cardiac remodeling and cardiac dysfunction, and, if so, to elucidate the underlying mechanisms.

METHODS AND RESULTS: Male adult mice were subjected to myocardial infarction (MI) via left anterior descending coronary artery occlusion. Both the effect of MI on endogenous CTRP3 expression/production and the effect of exogenous CTRP3 (adenovirus or recombinant CTRP3) replenishment on MI injury were investigated. MI significantly inhibited adipocyte CTRP3 expression and reduced the plasma CTRP3 level, reaching a nadir 3 days after MI. CTRP3 replenishment improved survival rate (P

CONCLUSION: CTRP3 is a novel antiapoptotic, proangiogenic, and cardioprotective adipokine, the expression of which is significantly inhibited after MI.

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