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. 2018 Mar 9;293(17):6398–6409. doi: 10.1074/jbc.RA118.001879

Figure 6.

Figure 6.

Influence of cytokine concentration and duration of stimulation on IL-11–induced STAT3 phosphorylation. A, Ba/F3–gp130–IL-11R, Ba/F3–gp130–IL-11RΔD341_L372, Ba/F3–gp130–IL-11RΔQ339_L372, Ba/F3–gp130–IL-11RΔE337_L372, and Ba/F3–gp130–IL-11RΔE335_L372 cells were stimulated with either 10 ng/ml Hy–IL-6, 10 ng/ml IL-11, 100 ng/ml IL-11, or left untreated for 15 min. STAT3 phosphorylation was determined by Western blotting, and total STAT3 was visualized to ensure equal protein loading. The ratio of pSTAT3/STAT3 was determined from three independent experiments. B, Ba/F3–gp130–IL-11R, Ba/F3–gp130–IL-11RΔD341_L372, Ba/F3–gp130–IL-11RΔQ339_L372, Ba/F3–gp130–IL-11RΔE337_L372, and Ba/F3–gp130-IL–11RΔE335_L372 cells were stimulated with 10 ng/ml IL-11 for different time periods (0–60 min). STAT3 phosphorylation was determined by Western blotting, and total STAT3 was visualized to ensure equal protein loading. The ratio of pSTAT3/STAT3 was determined from three independent experiments.