BRD4 and triple-negative breast carcinoma: We performed the same analysis for endometrial cell lines (n = 8) and triple negative breast cancer cell lines (n = 10), both tumor types are known to harbor BRD4 amplification; however, we did not find a similar correlation (R2 = 0.0863 and R2 = 0.002 respectively; S5A and S5B Fig).