Brain slices stained with 2, 3, 5-triphenyl tetrazolium chloride (TTC) to visualize the ischemic lesions at 14 days after MCAO. TTC-stained brain slices from group 1 (A), group 2 (B), group 3 (C), group 4 (D), and group 5 (E). (F) A summary of lesion volumes evaluated with TTC-stained brain slices at14 days after MCAO. Scale bar=3 mm. *P<0.05, **P<0.01.