To investigate the effect of focal cerebral ischemic preconditioning on the expression of nuclear factor kappa B (NF-?B) and its target gene inducible nitric oxide synthase (iNOS) and to explore its role in ischemic tolerance in rats.
Department of Neurology, Second Affiliated Clinical College in Chengdu, Chongqing Medical University, Third People's Hospital of Chengdu, Chengdu 610031, China. haoyuman@163.com
