Antiviral restriction factor transgenesis in the domestic cat.

Antiviral restriction factor transgenesis in the domestic cat.
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DOI:
10.1038/nmeth.1703
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发表时间:
2011-09-11
期刊:
影响因子:
48
通讯作者:
Poeschla, Eric
Poeschla, Eric
中科院分区:
生物学1区
文献类型:
--
作者:
Wongsrikeao, Pimprapar;Saenz, Dyana;Rinkoski, Tommy;Otoi, Takeshige;Poeschla, Eric

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本文报道了家猫配子的遗传修饰转基因。该方法用于产生表达来自恒河猴的病毒限制性因子的转基因猫。本文的在线版本(doi:10.1038/nmeth.1703)包含补充材料,可供授权用户使用。对家猫的研究促进了许多科学进步,包括目前对哺乳动物大脑皮层的理解。猫转基因的实际能力是需要实现对这种神经行为复杂的,可访问的物种,以促进人类和猫科动物的健康研究的独特潜力。例如,人类和猫受到大流行性艾滋病慢病毒的折磨,这些慢病毒对物种特异性限制因子敏感。在这里,我们引入了编码这种因子的基因,恒河猴TRIMCyp和eGFP,进入猫的种系。该方法首次在食肉动物中建立了配子靶向转基因。我们观察到一致的转基因结果,广泛表达,无嵌合现象,无F1沉默。TRIMCyp转基因猫淋巴细胞抵抗猫免疫缺陷病毒复制。这种通过实验操纵艾滋病易感物种基因组的能力可用于测试HIV基因治疗的限制因素的潜力,并建立其他传染性和非传染性疾病的模型。本文的在线版本(doi:10.1038/nmeth.1703)包含补充材料,可供授权用户使用。
This paper reports transgenesis by genetic modification of gametes in the domestic cat. The approach is used to generate transgenic cats expressing a virus restriction factor from rhesus macaque. The online version of this article (doi:10.1038/nmeth.1703) contains supplementary material, which is available to authorized users. Studies of the domestic cat have contributed to many scientific advances, including the present understanding of the mammalian cerebral cortex. A practical capability for cat transgenesis is needed to realize the distinctive potential of research on this neurobehaviorally complex, accessible species for advancing human and feline health. For example, humans and cats are afflicted with pandemic AIDS lentiviruses that are susceptible to species-specific restriction factors. Here we introduced genes encoding such a factor, rhesus macaque TRIMCyp, and eGFP, into the cat germline. The method establishes gamete-targeted transgenesis for the first time in a carnivore. We observed uniformly transgenic outcomes, widespread expression, no mosaicism and no F1 silencing. TRIMCyp transgenic cat lymphocytes resisted feline immunodeficiency virus replication. This capability to experimentally manipulate the genome of an AIDS-susceptible species can be used to test the potential of restriction factors for HIV gene therapy and to build models of other infectious and noninfectious diseases. The online version of this article (doi:10.1038/nmeth.1703) contains supplementary material, which is available to authorized users.
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