NOD2 and central nervous system cancer: Among them, 6 genes (CYCS, IL1A, IL6, PRKACA, NLRP2, and NLRP7) were downregulated, and 21 other genes (BAK1, BAX, CASP1, CASP3, CASP4, CHMP2A, CHMP4A, CHMP6, GSDMD, GSDME, HMGB1, IL18, IRF2, TP53, AIM2, CASP6, CASP9, NOD1, NOD2, SCAF11, and PYCARD) were enriched in the glioma group.