TET2 and glioblastoma: As shown in Figure 2C, FDX1 expression correlated negatively with that of TET2 and DNMT1 in BRCA, esophageal carcinoma (ESCA), GBM, HNSC, LIHC, LUAD, LUSC, and PCPG and correlated positively in skin cutaneous melanoma (SKCM).