To determine the functional significance of DGKα in BC, we investigated the contribution of DGKα to cell invasion, migration, and proliferation by knocking down DGKα in the following well‐known BC cell lines: T24, 5637, RT‐4, RT‐112, UM‐UC‐3, and UM‐UC‐13 cells. Here, DGKA is linked to breast cancer.