Our data confirmed the down-regulation of CDKN1B, FAS, FOS, FOXO1, GABARAPL1, HDAC1, NFKB1, PEX3, PPP1R15A, SIRT2, and CXCR4 in ovarian cancer than normal tissues (Figures 10A–K). Here, HDAC1 is linked to ovarian cancer.