CATIONIC LIPOSOME-MEDIATED TRANSFECTION OF IMMUNE EFFECTOR CELLS

CATIONIC LIPOSOME-MEDIATED TRANSFECTION OF IMMUNE EFFECTOR CELLS
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阳离子脂质体介导的免疫效应细胞转染

DOI:
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发表时间:
1993
期刊:
影响因子:
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通讯作者:
R. Debs
R. Debs
中科院分区:
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文献类型:
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作者:
R. Philip;R. Debs

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我们研究了阳离子脂质体介导人单核细胞和淋巴细胞系以及从正常人供体新鲜分离的外周血单核细胞(PBM)瞬时转染的能力。我们发现,阳离子脂质体可以介导高水平表达的表达载体编码的细胞内(氯霉素乙酰转移酶)或分泌(白细胞介素-2)的基因产物在单核细胞和淋巴细胞系。然而,使用这种方法不能转染人PBM。使用T淋巴细胞特异性启动子元件(IL-2)似乎将阳离子脂质体介导的转基因表达限制于淋巴细胞,表明转基因表达可通过使用组织特异性启动子元件靶向特定细胞类型。通过阳离子脂质体介导的转染,在关键的免疫效应细胞中表达选定的转基因的能力,可能最终允许高度特异性调节细胞免疫应答。
AbstractWe have examined the ability of cationic liposomes to mediate the transient transfection of human monocyte and lymphocyte cell lines, as well as of peripheral blood monocytes (PBM) freshly isolated from normal human donors. We found that cationic liposomes can mediate high level expression of expression vectors coding for either an intracellular (chloramphenicol acetyltransferase) or a secreted (interleukin-2) gene product in the monocyte and lymphocyte cell lines. However, the human PBM could not be transfected using this approach. The use of a T lymphocyte-specific promoter element (IL-2) appeared to restrict cationic liposome-mediated transgene expression to lymphocytes, suggesting that transgene expression may targeted to specific cell types by the use of tissue-specific promoter elements. The ability to express selected transgenes in critical immune effector cells, via cationic liposome-mediated transfection, may eventually permit highly specific modulation of the cellular immune response in ...
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