In this analysis, eight cell lines derived from prostate cancer (PC3 and DU145), breast cancer (MDA-MB-231 and T47D), lung cancer (H1299 and H1611), and HNSCC (HN8 and HN12), were treated with two doses of the Src inhibitor saracatinib for 72 h. The gene discussed is SRC; the disease is prostate cancer.