1. From the Oxidative Stress Group (P.C., N.S., J.B.d.H.), Diabetic Complications Group (P.K., M.E.C.), JDRF Diabetes and Metabolism Division, Cellular & Molecular Metabolism Laboratory (D.Y.C.Y., M.A.F.), Metabolism & Obesity Division, Baker IDI Heart and Diabetes Institute, Melbourne, Australia; and the Schering-Plough Research Institute (I.K.), Schering-Plough Corporation, Kenilworth, NJ.