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. Author manuscript; available in PMC: 2016 Feb 24.
Published in final edited form as: Biochem Biophys Res Commun. 2016 Jan 6;470(2):453–459. doi: 10.1016/j.bbrc.2016.01.013

Fig. 1.

Fig. 1

MPP+ caused inhibition of cell viability, cell cycle arrest and apoptosis. (A) SH-SY5Y cells were treated with MPP+ for 24 h at various concentrations or (B) at 3.61 mM (IC50) for different time periods. (C) Cell apoptosis was measured by flow cytometry and quantified (D) under different treatment times. The cell cycle-related CDK4 protein was examined by western blot (E). Data are expressed as mean ± standard error. *P < 0.05, **P < 0.01, ***P < 0.001, compared to 0 h.