CD4 and tuberculosis: In pre-XDR/XDR-TB patients, CD4+ T-cells primed by mo-DCs matured with ECAT + C expressed higher levels of IFN-γ and IL-2 compared to CD4+ T-cells primed by mo-DCs matured with ECAT only (IFN-γ: p = 0.04; IL-2: p = 0.05).