Departments of Physiology (M.H., J.P.K.), Chemistry and Biochemistry (R.P., M.L.H.), Pharmacology (T.W.V., T.M.L.-M., K.R., T.F., M.J.B.), Neurology (T.F., M.J.B.), and Immunobiology (K.P.D.), Evelyn F. McKnight Brain Institute (M.H.), Sarver Heart Center (M.H., J.P.K.), and Center for Innovation in Brain Science (M.H., T.W.V., K.R.), University of Arizona, Tucson, Arizona.