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腺病毒介导人B7-1基因对肝癌细胞免疫原性的影响
http://www.100md.com 《免疫学杂志》2001年第1期
     作者:王征旭 何振平 吴祖泽., http://www.100md.com

    单位:王征旭 何振平(第三军医大学西南医院肝胆外科,重庆 400038);吴祖泽(军事医学科学院放射医学研究所百环生物医学研究中心,北京 100850)., http://www.100md.com

    关键词:肝细胞肝癌;腺病毒多基因;B7-1;基因治疗;免疫原性., http://www.100md.com

    免疫学杂志010109 摘 要:目的 研究同时含人p53、GM-CSF、B7-1、IL-2基因的重组腺病毒载体Ad-multigenes,对肝癌细胞免疫原性的影响。方法 应用人外周血淋巴细胞和肿瘤细胞的混合培养、外周血T淋巴细胞杀伤活性试验,分析导入目的基因的人肝癌细胞免疫原性的变化。结果 导入Ad-multigenes的肝癌细胞系HepG2、BEL-7402,体外能刺激正常人外周血T淋巴细胞的增殖,并能增强T淋巴细胞的杀瘤细胞活性,加入IL-12有协同增强作用。结论 肝癌细胞导入含B7-1基因的Ad-multigenes后,其免疫原性得到增强。., http://www.100md.com

    分类号:R394;R735.8 文献标识码:A., http://www.100md.com

    文章编号:1000-8861(2001)01-0034-03., http://www.100md.com

    Effect of immunogenicity of liver cancer cell lines by transduction of adenovirus-mediated human B7-1 gene., http://www.100md.com

    WANG Zheng-xu(Department of Hepatobiliary Surgery,Southwest Hospital,the Third Military Medical University,Chongqing 400038,China)., http://www.100md.com

    HE Zhen-ping(Department of Hepatobiliary Surgery,Southwest Hospital,the Third Military Medical University,Chongqing 400038,China)., http://www.100md.com

    WU Zu-ze(Department Baihuan Biomedical Research Center of Academy of Military Me-dical Sciences,Beijing 100850,China)

    Abstract:Objective To investigate the change of immunogenicity of liver cancer cells transduced with adenovirus-mediated human 4 kind of genes (p53,GM-CSF,B7-1,IL-2).Methods Using human mixed lymphocyte of peripheral blood and tumor cell coculture,cytotoxicity assay of peripheral blood T lymphocyte,we studied the change of immunogenicity of liver cancer cells transduced with Ad-multigenes.Results The proliferation of human peripheral blood T lymphocytes and T lymphocyte cytotoxicity activity against parent tumor cells were increased by transduction of Ad-multigenes in liver cancer cells HepG2 and BEL-7402.IL-12 has a strong synergetic effect with Ad-multigenes in inducing proliferation and cytotoxicity of T cells.Conclusion The immunogenicity of liver cancer cells was enhanced after transduction of adenovirus-mediated multigenes which containing B7-1 molecule.dp44/y4, 百拇医药

    Keywords:hepatocellular carcinoma; adenovirus-multigenes; B7-1; gene therapy; immunogenicitydp44/y4, 百拇医药

    基金项目:中美合作美国Baxter医疗用品公司基因治疗部专项基金资助项目dp44/y4, 百拇医药

    作者简介:王征旭(1965-),男,辽宁辽阳市人,主治医师,博士,主要从事肝癌的基因治疗和细胞信号转导的研究。现在第二军医大学东方肝胆外科医院从事博士后研究。 Tel:(021)65564166-75431; E-mail:zhxwang@smmu.edu.cn

    参考文献:%, http://www.100md.com

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    [2]王征旭,何振平,吴祖泽.腺病毒介导人p53、B7-1、GM-CSF、IL-2基因在肝癌细胞中的表达[J].中华肿瘤杂志,2000,22(2):126-127.%, http://www.100md.com

    [3]王征旭,何振平,吴祖泽.腺病毒介导多基因对肝癌细胞凋亡的诱导作用[J].中华肝脏病杂志,2000,8(4):224-226.%, http://www.100md.com

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    收稿日期:2000年8月23日%, http://www.100md.com

    修稿日期:2000年10月13日%, http://www.100md.com

    出版日期:2001年1月15日(作者:王征旭 何振平 吴祖泽)