SIRT2 concentrations (conc.)(pg/mL) in 100 μg/mL of the protein extracted from the T47D, MCF7, MDA-MB-231, MDA-MB-468, BT-549 and HCC1937 BC cells were determined using the Human SIRT2 Elisa Assay (Figure 4). The gene discussed is SIRT2; the disease is breast cancer.