Adaptation of cardiac contractile function to conditions of chronic energy deficiency.


Left ventricular (LV) contractile function and pump function were depressed in isolated working hearts from rats treated with either guanidinopropionic acid (GPA), an inhibitor of creatine influx, or the anthracycline antibiotic, adriamycin, for 6 and 10 weeks, respectively. In both groups of treated animals myocardial phosphocreatine content was lower than… (More)


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