Cells were collected and western blot analyses were performed as previously described.33 (link)β-actin was used as the loading control. The primary antibodies used for western blotting included: rabbit anti-cleaved PARP (#9544, Cell Signaling, Beverly, MA, USA), anti-H2AX (#9718, Cell Signaling), anti-Akt1 (#9514, SBA), anti-Akt2 (#8715, SBA), anti-Akt3 (#4059, Cell Signaling), anti-pAkt (#4060, Cell Signaling) and anti-β-actin (#4970, Cell Signaling).
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