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- W961302622 abstract "目的:检测双特异抗体(bispecific antibody,BsAb)COC183B2×anti-CD28在体外介导预激活的外周血单个核细胞(PBMC)对卵巢上皮癌细胞系SKOV3的杀伤效力.方法:在大肠杆菌中对用基因工程方法构建的COC183B2×anti-CD28进行诱导表达,用ELISA方法测定表达产物与卵巢癌抗原和CD28抗原结合的活性后,与SKOV3和预激活的PBMC共孵育.6h后用非放射性细胞毒分析试剂测定预激活的PBMC对SKOV3细胞毒性作用,并在镜下观察SKOV3的形态学改变.结果:ELISA结果显示,COC183B2×anti-CD28可与卵巢癌抗原和CD28抗原双向结合;细胞毒性试验显示,在体外COC183B2×anti-CD28能介导预激活的PBMC特异杀伤SKOV3细胞;4h时镜下可见玫瑰花环形成,12h可见肿瘤细胞溶解.结论:COC183B2×anti-CD28可在体外介导预激活的外周血淋巴细胞对卵巢上皮癌细胞特异性杀伤." @default.
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- W961302622 date "2002-01-01" @default.
- W961302622 modified "2023-10-18" @default.
- W961302622 title "双特异抗体COC183B2×anti—CD28对卵巢上皮癌细胞杀伤效力的研究" @default.
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