An attenuated coxsackievirus b3 vector: a potential tool for viral tracking study and gene delivery.

An attenuated coxsackievirus b3 vector: a potential tool for viral tracking study and gene delivery.
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减毒柯萨奇病毒 B3 载体:病毒追踪研究和基因传递的潜在工具

DOI:
10.1371/journal.pone.0083753
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Li Ks
Li Ks
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zeng J;Chen Xx;Dai Jp;Zhao Xf;Xin G;Su Y;Wang Gf;Li R;Yan Yx;Su Jh;Deng Yx;Li Ks

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心肌细胞对使用标准技术的基因转移具有相当大的抵抗力。我们开发了一种表达载体,该载体携带减毒但具有感染性和复制性的柯萨奇病毒B3(CVB 3)基因组,以及用于外源基因的独特ClaI-StuI克隆位点,其产物可以通过2Apro切割从新生病毒多蛋白中释放。将该载体作为绿色荧光蛋白(GFP)的表达载体进行测试。该载体在细胞培养物中瞬时表达GFP至少10代,并将功能性GFP递送至感染的心肌细胞至少6天。此外,重组病毒在体外和体内表现出毒力减弱。结果表明,重组CVB 3载体可能是一个有用的工具,病毒跟踪研究和提供外源性蛋白到心肌细胞。
Cardiomyocytes are quite resistant to gene transfer using standard techniques. We developed an expression vector carrying an attenuated but infectious and replicative coxsackievirus B3 (CVB3) genome, and unique ClaI-StuI cloning sites for an exogenous gene, whose product can be released from the nascent viral polyprotein by 2Apro cleavage. This vector was tested as an expression vehicle for green fluorescent protein (GFP). The vector transiently expressed GFP in cell cultures for at least ten passages and delivered functional GFP to the infected cardiomyocytes for at least 6 days. Moreover, the recombinant viruses showed virulence attenuation in vitro and in vivo. The findings suggest that the recombinant CVB3 vector could be a useful tool for viral tracking study and delivering exogenous proteins to cardiomyocytes.
DOI: 10.1128/jvi.74.17.7952-7962.2000
发表时间: 2000-09-01
影响因子: 5.4
作者:
Chapman, NM;Kim, KS;Kolbeck, P
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