CLDN7 and breast cancer: After overlapping the 127 most relevant genes with the 2038 DEGs in breast cancer, we identified 10 significant genes (CLDN7, MLLT10, RBM33, SH3RF1, SSBP4, UBE2Z, BMPER, FGF7, MSRB3, and TNRC6B) in breast cancer (Figure 1c).