After coculturing for 24 hrs with IL 2,the tumor killing activities of ABM to K562 cells and to HL 60 cells were identical,while the activity of ACB to K562 cells was higher than that to HL 60 cells.
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- 骨髓及脐血细胞经IL－2刺激24小时后即可产生对K562细胞及HL－60细胞的杀伤作用，ACB对K562细胞的杀伤率高于对HL－60细胞的杀伤率； 72小时后ACB对K562细胞和HL－60细胞杀伤率接近；
