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Effect of resistance exercise on cell proliferation in the hippocampus. Upper panel: photomicrographs of 5-bromo-2’- deoxyuridine (BrdU)-positive cells. The scale bar represents 150 μm. Lower panel: number of BrdU-positive cells in each group. A, control group; B, Parkinson disease (PD) group; C, PD with resistance exercise group; D, PD with levodopa group. *P<0.05 compared to the control group. #P<0.05 compared to the PD group.
