1. From the Cardiovascular and Pulmonary Research Institute (Y-J.G., Y.I., D.E.V., S.F.V.), Allegheny University of the Health Sciences, Pittsburgh, Pa; Departments of Molecular and Cellular Biology and Oncology Research (T.E.W.), The Greenville Hospital System, Greenville, SC; Department of Microbiology and Molecular Medicine (T.E.W.), Clemson University, Clemson, SC; Department of Pathology (S.P.B.), University of Alabama at Birmingham; and COR Therapeutics, Inc (C.J.H.), South San Francisco, Calif.