1. From the Division of Biomedical Sciences (W.S., T.-S.L., Y.Z., J.Y.-J.S.), Environmental Toxicology Graduate Program (C.G.), and Department of Chemistry (Y.W.), University of California, Riverside; and Department of Physiology (M.Z., Y.Z.), Key Laboratory of Molecular Cardiovascular Sciences of Education Ministry, Health Science Center, Peking University, Beijing, China.