Institution: | From the Departments of ‡Biochemistry and Molecular Biology and ;§Pharmacology and Toxicology, Medical College of Georgia, Augusta, Georgia 30912.;the ¶Department of Cardiac Development and Remodeling, Max-Planck-Instituts für Herz- und Lundgenforschung, Parkstrasse 1, D-61231 Bad Nauheim, Germany, and ;the ‖Institute of Pharmacology, University of Heidelberg, Im Neuenheimer Feld 366, 69120 Heidelberg, Germany |