Objective To investigate the effects of morroniside on hydrogen peroxide (H2O2)-induced apoptosis in SH-SY5Y neuroblastoma cells. Methods SH-SY5Y cells were pre-incubated with morroniside (1, 10, and 100 μmol/L) for 24 h prior to exposure to H2O2 (300～500 μmol/L) for 18 h. The content of malondialdehyde (MDA)，mitochondrial membrane potentials (MMP) and apoptosis ratio were determined. Results Pretreatment the cells with morroniside (1, 10 and 100 μmol/L) lowered the H2O2-induced MDA concentration and MMP, and inhibited the apoptosis. Conclusion Morroniside may protect the neurocyte from H2O2-induced apoptosis by lowered MDA and inhibits MMP.
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