NFKB1 and breast carcinoma: The observed cell population with active NF-κB was 94.2 ± 1.3% (1.5 μM) and 93.6 ± 1.2% (3 μM), while it was 95.6 ± 1.1% (1.5 μM) and 94.5 ± 0.5% (3 μM) for MCF-7 and MDA-MB-231 breast cancer cells, respectively.