1. From the Department of Pharmacology and Toxicology (C.B.A., B.C., R.W.C., L.Y., A.M.M., R.D.R.), Vascular Biology Center (S.S., S.K., M.I.A., D.W.S., S.M.B., D.J.R.F.), and Department of Physiology (D.W.S.), Georgia Health Sciences University, Augusta, GA; and Department of Stomatology, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (B.C.).