DLGAP5 and breast cancer: The expression levels of DLGAP5 and its effects on BC cell functions (invasion, migration, proliferation, and cycle) in BC were examined by experiments such as Western Blot (WB), Quantitative Real-time PCR (qRT-PCR), Cell Counting Kit-8 assay (CCK8), Transwell, wound-healing assay, colony formation assay, and flow cytometry assays.