Effects of rosiglitazone on hippocampal neurons in rats with global cerebral IRI (HE stain, ×400, n = 3). A: Representative pictures of H&E stained CA1 sections on Day 12 post-IRI shown at 400 × magnification. Scale bars = 50 μm. B: Group data showing the effect of rosiglitazone on the cell death rate. ##P < 0.01 compared with vehicle sham group; *P < 0.05 **P < 0.01 compared with the IR group; ΔΔP < 0.05 compared with 7.2 mg/kg ROS group; ●●P < 0.05 compared with 7.2 mg/kg ROS plus GW9662 group.