A C isotopomer kinetic analysis of cardiac metabolism: influence of altered cytosolic redox and [Ca ]o

Rui A. Carvalho, Tiago B. Rodrigues, Piyu Zhao, F. Mark H. Jeffrey, Craig R. Malloy, and A. Dean Sherry Department of Biochemistry and Center for Neurosciences and Cell Biology, Faculty of Sciences and Technology, University of Coimbra, Apartado 3126, 3001-401 Coimbra, Portugal; Department of Chemistry, University of Texas at Dallas, Richardson 75083-0688; Department of Radiology, Mary Nell and Ralph B. Rogers Magnetic Resonance Center, University of Texas Southwestern Medical Center; and Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas 75235-9085; and Department of Veterans Affairs Medical Center, Dallas, Texas 75216