Fig. 3. Caspase-3 activity assay.
Caspase-3 activity measured on SH-SY5Y cells pre-incubated with various concentrations of rotenone for 48 hours. Data expressed as relative fluorescence units (RFU). Asterisk (*) indicates p=0.043 by ANOVA: 50nM rotenone-treated compared to 5nM–20nM; double asterisk (**) indicates p=0.014 by ANOVA: 100nM rotenone-treated compared to 5nM–50nM rotenone group.