CCDC69 and ovarian carcinoma: To know the CCDC69 expression in human normal ovary tissue and ovarian cancer, we found CCDC69 expression was significant downregulated in ovarian cancer compared to normal ovary tissue from The Cancer Genome Atlas (TCGA) and Lu et al. database [40] (p<0.001, p<0.05) (Supplementary Figure 4A-4B).