TB patients showed the mean IFN-γ release of 100.3, 92.1, 121.4, 75.4, 75.8, 76.0 and 86.7 pg/mL in response to the single antigens EspC, HspX, TB10.4, PPE57, CFP21, TnCFP21 and Rv1352, respectively. This evidence concerns the gene IFNG and tuberculosis.