Foamy virus biology and its application for vector development.

Foamy virus biology and its application for vector development.
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泡沫病毒生物学及其在媒介发展中的应用。

DOI:
10.3390/v3050561
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发表时间:
2011-05
期刊:
Viruses
影响因子:
--
通讯作者:
Rethwilm A
Rethwilm A
中科院分区:
其他
文献类型:
--
作者:
Lindemann D;Rethwilm A

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在大多数非人灵长类动物、猫、牛和马中流行的泡沫病毒(FV)包括一种特殊类型的逆转录病毒,其已经发展出结合逆转录病毒和嗜肝DNA病毒两者的特征的复制策略。FV的独特特征包括在天然宿主以及人畜共患病感染的人类中的明显的无致病性,在病毒复制后期包装的病毒RNA基因组的逆转录导致释放的FV颗粒中的感染性DNA基因组,以及依赖于衣壳和糖蛋白共表达以及两种组分之间的特异性相互作用的特殊颗粒释放策略。此外,与宿主基因组DNA整合谱相关的特定特征将FV与正视网膜病毒区分开来。看来,FV载体的一些固有特性使它们与正逆转录病毒载体有利地分开,并要求对病毒以及在基因治疗中的应用进行额外的基础研究。本文就FV的生物学特性及其作为基因转移系统的研究进展作一综述。
Spuma- or foamy viruses (FV), endemic in most non-human primates, cats, cattle and horses, comprise a special type of retrovirus that has developed a replication strategy combining features of both retroviruses and hepadnaviruses. Unique features of FVs include an apparent apathogenicity in natural hosts as well as zoonotically infected humans, a reverse transcription of the packaged viral RNA genome late during viral replication resulting in an infectious DNA genome in released FV particles and a special particle release strategy depending capsid and glycoprotein coexpression and specific interaction between both components. In addition, particular features with respect to the integration profile into the host genomic DNA discriminate FV from orthoretroviruses. It appears that some inherent properties of FV vectors set them favorably apart from orthoretroviral vectors and ask for additional basic research on the viruses as well as on the application in Gene Therapy. This review will summarize the current knowledge of FV biology and the development as a gene transfer system.
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