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. 2016 Nov 4;7:465. doi: 10.3389/fimmu.2016.00465

Figure 9.

Figure 9

IL-1β is critical for mediating Th17 response to M. tuberculosis. DCs were cocultured with autologous CD4+ T cells either alone or stimulated with γ-irradiated M. tuberculosis, M. tuberculosis-derived cytoplasmic (Cyt) fraction, or Cyt fraction in combination with exogenous IL-1β (A,B) or IL-23 (C,D) for 5 days. Frequencies of CD4+IL-17A+ T cells (mean ± SEM, n = 4–6) (A,C) and amounts of IL-17A production (mean ± SEM, n = 4–6) (B,D) in DC–CD4+ T cell cocultures. *P < 0.05; **P < 0.01; ns, not significant; as determined by one-way ANOVA.