TP53BP1 and breast adenocarcinoma: MCF7 breast adenocarcinoma cells were treated with increasing concentrations of the compound AF615 (0.04, 0.13, 0.4, 1.2, 3.6, 11, 33, and 100 μΜ) and after 24 h, cells were immunostained for γΗ2ΑΧ and 53BP1.