Objective To explore effects of polychlorinated biphenyl, PCB153 on DNA damage induced by benzo(a)pyrene (B[a]P) in HepG2 cells.

• 目的观察多氯联苯(PCBs)153和苯并[a]芘(B[a]P)单独及联合处理对人肝肿瘤细胞HepG2的DNA损伤作用。