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Differential cytokine and chemokine production from macrophages and DCs in response to M. tuberculosis. Cells were infected with M. tuberculosis. After 20 h, supernatants were harvested and analyzed for the presence of IL-12p40, IL-12p70, IL-23, IL-10, CCL2, CCL5, and CXCL10 by sandwich ELISA. **, P < 0.01; ***, P < 0.001.
