Three of the four human ovarian cancer patient data sets, including (a) Tumor Ovarian-Anglesio, (c) Tumor Ovarian-Bowtell and (d) Tumor Ovarian-Expo data sets, showed this KDM1B and DCLRE1B correlation with R square < 1 and p-value < 0.05. This evidence concerns the gene DCLRE1B and ovarian cancer.