树突细胞联合细胞因子诱导的杀伤细胞对耐药K562细胞的体外杀伤作用

被引:13
作者
陈宝安
李曼
孙载阳
李翠萍
高冲
孙耘玉
王骏
傅强
陈津
机构
[1] 东南大学附属中大医院,东南大学附属中大医院,东南大学附属中大医院,南京红十字血液中心,东南大学附属中大医院,东南大学附属中大医院,东南大学附属中大医院,南京红十字血液中心,南京红十字血液中心南京,南京,南京,南京,南京,南京
关键词
树突细胞; 杀伤细胞,淋巴因子激活; 细胞系,K562/ADM;
D O I
暂无
中图分类号
R73-36 [治疗实验];
学科分类号
摘要
目的研究细胞因子诱导的杀伤(CIK)细胞与同源树突细胞(DC)共培养后CIK细胞的增殖活性及表型的变化,并观察其对K562、K562/ADM细胞毒作用的影响。方法采集健康供者外周血单个核细胞(MNC)用于诱导培养CIK细胞及成熟DC,将成熟DC和CIK细胞混合培养,用MTT法检测DCCIK共培养细胞杀伤K562细胞及其耐药株的活性。结果在2.5~20.0效靶比范围内,CIK细胞对K562和K562/ADM细胞的杀伤率分别为(20.0±1.2)%~(61.1±2.2)%和(17.5±2.1)%~(45.2±3.3)%;DCCIK共培养细胞对K562和K562/ADM细胞的杀伤率分别为(25.2±2.3)%~(70.9±4.1)%和(22.4±2.7)%~(62.3±5.0)%。CIK细胞对K562敏感株和耐药株杀伤率的差异无统计学意义,DCCIK细胞对敏感株和耐药株的杀伤作用差异亦无统计学意义;DCCIK细胞对K562和K562/ADM细胞的杀伤活性均高于单纯CIK细胞组,差异有统计学意义(P<0.05)。结论DC与CIK共培养细胞的增殖活性和细胞毒活性高于CIK细胞。
引用
收藏
页码:355 / 358
页数:4
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