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A histogram indicating the dose-response experiment
The dose-response human dental pulp stem cells-derived cholinergic-like neurons viability at different concentrations of NGF (1, 25, 50, and 100 ng/mL) after 7 days detected by MTT assay. Each column represents the average measurement from five replicates. The asterisk shows significant differences compared with the other groups (P<0.05).
NGF: Nerve Growth Factor; MTT: Dimethylthiazolyl Diphenyl Tetrazolium Bromide
