Aim To observe the expression of FLVCR and BCRP at different time points and effects of traditional herbal medicines NTE( extract of Huang Qi,Chuan Xiong,Di Long,Jiang Can) on FLVCR and BCRP after Focal Cerebral Ischemia in rats. Methods The experiment is carried out by two steps. Firstly,SD rats were randomly divided into 2 h,6 h,12 h,24 h,72 h groups,after operation of middle cerebral artery occlusion( MCAO),FLVCR,BCRP and FLVCR-mRNA,BCRP-mRNA expressions were detected by immunohistochemistry and RT-PCR just at 2 h,6 h,12 h,24 h,72 h time...