Here, we choose three CTCF ChIP-seq experiments (HMEC + Broad + CTCF, HMEC + Broad + EZH2 and HMEC + UW + CTCF) and three DHS ChIP-seq experiments (MCF-7, MCF-7+Hypoxia_LacAcid, T-47D), all related to the breast cancer. This evidence concerns the gene CTCF and breast cancer.