Swimming exercise stimulates IGF1/ PI3K/Akt and AMPK/SIRT1/PGC1α survival signaling to suppress apoptosis and inflammation in aging hippocampus
Figure 6.Photomicrographs of caspase 3-positive cells in the CA1 and CA3 of hippocampus. The sections were stained for caspase-3 immunoreactivity (brown).