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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Efficient gene transfer by a human immunodeficiency virus type 1 (HIV- 1)-derived vector utilizing a stable HIV packaging cell line
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Efficient gene transfer by a human immunodeficiency virus type 1 (HIV- 1)-derived vector utilizing a stable HIV packaging cell line

机译:利用稳定的HIV包装细胞系通过人类1型免疫缺陷病毒(HIV-1)衍生的载体进行有效的基因转移

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摘要

By transfecting fibroblast cells with an HIV- 1- MN molecular clone with a deletion of the major packaging sequence, we have developed a stable HIV-1 packaging cell line, Ψ422. Ψ422 cells form syncytia with CD4-positive cells, correctly express HIV-1 structural proteins, and produce a large amount of mature particles with normal reverse tran- scriptase activity. Yet these particles, in which RNA was not detected by reverse transcriptase-PCR, are not infectious.
机译:通过用主要包装序列缺失的HIV-1-MN分子克隆转染成纤维细胞,我们开发了稳定的HIV-1包装细胞系Ψ422。 Ψ422细胞与CD4阳性细胞形成合胞体,正确表达HIV-1结构蛋白,并产生大量具有正常逆转录酶活性的成熟颗粒。然而,这些颗粒中没有通过逆转录酶-PCR检测到RNA,它们没有传染性。

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