最近,国外有人通过对肿瘤细胞 DNA 损伤修复的研究发现,肿瘤细胞经烷化剂处理后,部分细胞 DNA 损伤严重,很难修复。而另一部分细胞 DNA Recently, studies on the repair of DNA damage in tumor cells have been conducted abroad. It has been found that after the treatment of tumor cells with alkylating agents, some cells have severe DNA damage and are difficult to repair. And another part of the cell DNA