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Preliminary Research on the Biologic Character of Dentritic Cells in the Human Peripheral Blood Loaded with Antigens of HCC

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Author:
No author available
Journal Title:
JOURNAL OF MODERN CLINICAL MEDICAL BIOENGINEERING
Issue:
5
DOI:
10.3760/cma.j.issn.1008-634X.2004.05.003
Key Word:
树突状细胞;外周血;肝癌细胞系

Abstract: 目的探讨负载肝癌抗原的树突状细胞(DC)对自身CIK细胞的诱导增殖能力和杀伤能力.方法从人外周血分离获得单核细胞,体外经重组细胞因子(GM-CSF)、白细胞介素-4(IL-4)、肿瘤坏死因子α(TNF-α)培养获得DC,电镜观察其形态,流式细胞仪检测其表面抗原,混合淋巴细胞反应检测负载肝癌抗原DC诱导CIK细胞增殖活性,检测激活的CIK对肝癌细胞的杀伤作用.结果经体外培养,从外周血分离获得的大量成熟DC,检测表明高表达DC的抗原标志,负载抗原的DC具有很强的激发同种CIK增殖的能力,激活的CIK对肝癌细胞系具有很强的杀伤作用.结论实验结果为肝癌的临床免疫治疗提供了理论基础.

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