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Oxidative stress plays an important role in many neurodegenerative disorders. In this study, the effect of baicalein, a natural flavonoid isolated from the root of Scutellaria baicalensis G., on hydrogen peroxide (H2O2)-induced cytotoxicity in PC12 cells were investigated. Exposure of PC12 cells to 0.15 mM H2O2 for 20 min induced a significant decrease in cell viability accompanied by increased oxidative...