Myocardial contractility is enhanced in transgenic (TG) mice with cardiac-restricted overexpression of the alpha1A-adrenergic receptors (alpha1A-AR). We tested the hypothesis that this enhanced inotropy protects against dysfunction and remodeling after myocardial infarction (MI).
Experimental Cardiology Laboratory, Baker Heart Research Institute, and Alfred Heart Centre, Alfred Hospital, Melbourne, Australia. xiaojun.du@baker.edu.au