Cells were treated as specified and cell lysates were generated as previously described(12 (link)). AR (N-20, directed against amino acids 1–20), DNA-PK (Thermo Fisher Scientific, #MS-423-P), Vinculin (Sigma-Aldrich, #V9264–200UL), VAV3 (EMD Millipore, #07–464), Prex1 (EMD Millipore, #MABC178), Lamin B (Santa Cruz, #6217), pAKT (Cell Signaling, 9271S), AKT (Cell Signaling, 9272S), pS6 (Cell Signaling, 2211S), S6 (Cell Signaling, 2217S), PARP/cleaved PARP (Cell Signaling, 9542S) antibodies were used for immunoblotting.