Affiliation: | From the ‡Regional Academic Health Center, Medical Research Division, University of Texas Health Science Center at San Antonio, Edinburg, Texas 78541.;the Departments of §Medicine/Division of Diabetes and ;¶Pharmacology, University of Texas Health Science Center, San Antonio, Texas 78229, and ;the ‖Department of Molecular Medicine, University of Texas Health Science Center, San Antonio, Texas 78245 |