1. From the Department of Pharmacology (B.M.-M., V.d.C., J.H.J., R.V., M.E.S., Y.-X.W.) and Cardiovascular Research (G.C.D.), Berlex Biosciences, Richmond, and Department of Internal Medicine, School of Medicine (D.M.T., J.C.R.) and Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine (D.W.W.), University of California at Davis, Calif.