For that reason, we focused on determining the total protein expression levels of the intrinsic mitochondrial pathway-related proteins and the extrinsic death receptor pathway-associated proteins through Western blot analysis in RKO cells (colon cancer cells with BRAF V600E mutation, p53 wild type) and in MDA-MB-468 cells (breast cancer cells with homozygous p53 mutation R273H) that had been pretreated with (0.5–1.75 mM) BAT or (100–200 mM) Tau for 48 h. This evidence concerns the gene TP53 and breast cancer.