Fig. 8From: Pre-ischemic exercise reduces apoptosis in hippocampal CA3 cells after cerebral ischemia by modulation of the Bax/Bcl-2 proteins ratio and prevention of caspase-3 activationPhotomicrographs of caspase-3 immunohistochemical staining in the CA3 area of the right hippocampus after transient global cerebral ischemia. a The CA3 area of the hippocampus, b sham-operated group, c ischemia group and d exercise + ischemia group (arrows indicate the active caspase-3 positive cells, magnification ×400)Back to article page