Abstract

We investigated effect of asialoerythropoietin (AEPO), a nonerythrogenic derivative of EPO, on 3 different models of heart failure. A single intraperitoneal injection of doxorubicin (15 mg/kg) induced an established heart failure in mice 2 weeks later, to which AEPO (1500 U/kg, twice a week, for 2 weeks) was administered. Left ventricular dysfunction was attenuated by AEPO. The AEPO-treated heart showed less myocardial fibrosis, inflammatory cell infiltration, and atrophic degeneration of cardiomyocytes accompanying restored expression of GATA-4 and sarcomeric proteins.

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