FOXO1 and ovarian cancer: We constructed a 15-ferroptosis mRNA signature for predicting the prognosis of ovarian cancer, composed of CDKN1B, CXCR4, FAS, FOS, FOXO1, GABARAPL1, HDAC1, IFNG, IL24, MTMR14, NFKB1, PEX3, PPP1R15A, RB1, and SIRT2.