RESULTS The doubling times, plate efficiency, cell cycle, DNA index and cell morphology of DDP resistant L1210 subline were similarto those of its parant cell line.

• 结果DDP耐药细胞亚系在倍增时间、集落形成率、细胞周期、DNA指数和细胞形态方面基本保持了亲代细胞(L1210)的生物学特性。