In this study, we identified 10 significant genes (CLDN7, MLLT10, RBM33, SH3RF1, SSBP4, UBE2Z, BMPER, FGF7, MSRB3, and TNRC6B) in breast cancer using combined GWAS data and profiling of DEGs. This evidence concerns the gene MSRB3 and breast cancer.