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Comparison of PARP cleavage induced in MDAMB231 cells treated with different DOX formulations (2 µM) for 24 h where a–e represent a: Control; b: Blank copolymer; c: Free DOX; d: VEVDMs; e: FVEVDMs. Immunoblotting was carried out using antibodies specific for PARP and detected using enhanced chemiluminescence method.
