A versatile vector for the production of pseudotyped viruses expressing gp120 antigens from different clades of primary HIV-1 isolates.

A versatile vector for the production of pseudotyped viruses expressing gp120 antigens from different clades of primary HIV-1 isolates.
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DOI:
10.1016/j.jviromet.2010.10.022
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发表时间:
2011-01
影响因子:
3.1
通讯作者:
Wang, Shixia
Wang, Shixia
中科院分区:
医学4区
文献类型:
--
作者:
Wang, Zheng;Zhang, Mingshun;Wang, Yan;Jiao, Yanmei;Zhang, Lu;Li, Lin;Huang, Zuhu;Wu, Hao;Li, Jingyun;Lu, Shan;Wang, Shixia

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通过在现有载体的主链上引入两个新的克隆位点,开发了一种新的HIV-1 Env表达载体(SF 162-Z),该载体从HIV-1 SF 162分离株产生全长Env。这些位点促进SF 162 Env的gp 120部分与来自不同遗传进化枝的HIV-1分离株的匹配gp 120抗原的交换。功能性假型病毒的最终生产将表达嵌合Env抗原,包括亲本SF 162的gp 41和来自其它原代分离株的gp 120。该系统可用于检测在HIV感染患者的病毒准种中经常鉴定的部分env基因产物的中和敏感性,或者当仅可获得部分gp 120基因产物时。
A novel HIV-1 Env expression vector (SF162-Z) was developed by introducing two new cloning sites on the backbone of an existing vector that produces a full length Env from HIV-1 SF162 isolate. These sites facilitate the swapping of the gp120 portion of the SF162 Env with matching gp120 antigens from HIV-1 isolates of different genetic clades. Final production of functional pseudotyped viruses will express chimeric Env antigens, including gp41 of the parental SF162 and gp120 from other primary isolates. This system is useful for testing the neutralizing sensitivity of partial env gene products frequently identified in viral quasi species in patients infected with HIV or when only partial gp120 gene products are available.
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