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Killer activity and mechanism investigation of cytokine-induced killer cells to Raji cell lines

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Author:
No author available
Journal Title:
CHINA MEDICINE
Issue:
10
DOI:
10.3760/cma.j.issn.1673-4777.2006.10.011
Key Word:
杀伤细胞;Raji细胞;bcl-2蛋白

Abstract: 目的 探讨细胞因子诱导的杀伤(CIK)细胞对Raji细胞的杀伤效应及其作用机制.方法 采用MTT法测定CIK细胞对Raji细胞的杀伤效应,用免疫组化测定bcl-2蛋白的表达.结果 随着CIK细胞和Raji细胞效靶比例增加及时间的延长,CIK细胞明显增强其对Raji细胞的杀伤活性,与对照组相比差异有显著性(P<0.01),bcl-2蛋白的表达随时间的延长而下降,与对照组相比有显著性差异(P<0.01).结论 CIK细胞对Raji细胞有较强的杀伤活性,杀伤机制可能与下调bcl-2蛋白的表达有关.

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