(F) Quantification of cell viability of MB002 expressing EV, SOX9-WT, or SOX9-T236/240A following 5 days treatment with either of 10 μM cisplatin (black bars), 0.5 µM AZD2014 (blue bars), or their combination (red bars). Data are mean + standard deviation from 3 independent experiments, from which statistical significance were analysed by 2-way ANOVA multiple comparisons with Bonferroni's post-test. 