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. 2020 Dec 5;11(12):1035. doi: 10.1038/s41419-020-03241-y

Fig. 3. Loss of STAT3 or IL6R restores chemosensitivity in Med8A-R cells.

Fig. 3

a Western blot analysis of lysates of Med8A-R and STAT3−/− cells for STAT3 and GAPDH expression. b Flow cytometry analysis of Med8A-R and IL6Rα−/− cells for cell surface expression of IL6R, with corresponding IgG controls. Cell viability assay to assess the sensitivity of (c) STAT3−/− and Med8A-R and (d) IL6R−/− and Med8A-R cells to vincristine. As plotted is the mean ± SD of an experiment performed in triplicates, representative of at least 3 independent experiments. ***p < 0.001, two-way ANOVA with Bonferroni’s multiple comparison test. e Lysates of Med8A-R and IL6Rα−/− untreated or treated with IL-6 were assessed for pY705-STAT3 and total STAT3 by western blot analysis. f Flow cytometry analysis of IL6R expression of Med8A-S, Med8A-R, STAT3−/−, and IL6R−/− cells. As plotted is the mean ± SD of the geometric mean fluorescence intensity (GMFI) for an experiment performed in triplicates; ***p < 0.001, one-way ANOVA with Bonferroni’s multiple comparison test.