Cardiac contractile dysfunction in Lep/Lep obesity is accompanied by NADPH oxidase activation, oxidative modification of sarco(endo)plasmic reticulum Ca2+-ATPase and myosin heavy chain isozyme switch - Li, S Y; Yang, X; Ceylan-Isik, A F; Du, M; Sreejayan, N; Ren, J (Diabetologia, 2006)