The result displayed that high expression of FDX1 was related to poor prognosis in GBM (HR = 1.4, p = 0.11), and KICH (HR = 3.53, p = 0.05), and good prognosis in KIRP (HR = 0.54, p = 0.04) (Supplementary Figure S4A). Here, FDX1 is linked to glioblastoma.