1. From the Division of Molecular Medicine, Departments of Anesthesiology (H.R., S.M., M.V., Q.L., Y.W.), Physiology (L.-H.X., S.R., J.I.G, Y.W.), and Medicine (J.I.G., Y.W.), Cardiovascular Research Laboratory (J.I.G, Y.W.), and Molecular Biology Institute (Y.W.), David Geffen School of Medicine, University of California at Los Angeles, Los Angeles.