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Puerarin’s effects on apoptosis in dorsal CA1 region of hippocampal neurons in BCCAO rats (TUNEL staining). (A) Tunel staining to identify positive apoptotic cells (Red arrows), representative micrographs are shown at ×40. (B) The statistics of TUNEL positive cells. Values were mean ± SEM (n = 6). **P < 0.01 vs. Sham; ##P < 0.01 vs. BCCAO; $P < 0.05 vs. BCCAO + Pur (150 mg/kg/day); &&P < 0.01 vs. BCCAO + NGF (20 mg/kg/day).
