S100A9 and tuberculosis: TB was associated with elevated levels of macrophage markers (MARCO, SOCS3, FCGR1A, MPO, C1QB), neutrophil markers (ELANE, FCGR3A, S100A8, S100A9, ERG), interferon genes (IFI27L1, IFIT2, IFIT3, IFITM3, IRF1), and antimicrobial genes (AZU1, CTSG, DEFA4, STAT1, GBP1, GBP2, GBP4, GBP5, GBP6) compared to the TB negative group.