Cloning of a gene-edited macaque monkey by somatic cell nuclear transfer.

Cloning of a gene-edited macaque monkey by somatic cell nuclear transfer.
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DOI:
10.1093/nsr/nwz003
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发表时间:
2019-01
影响因子:
20.6
通讯作者:
Sun Q
Sun Q
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Liu Z;Cai Y;Liao Z;Xu Y;Wang Y;Wang Z;Jiang X;Li Y;Lu Y;Nie Y;Zhang X;Li C;Bian X;Poo MM;Chang HC;Sun Q

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通过体细胞核移植(SCNT)克隆猕猴,可以产生具有统一遗传背景的猴子,这对开发人类疾病的非人类灵长类动物模型很有用。在这里,我们报告了这种方法的可行性,通过对猕猴(Macaca fascicularis)成纤维细胞的SCNT,其中核心昼夜节律转录因子BMAL1被集群规则间隔的短回文重复/Cas9基因编辑敲除(见随文)。在移植到65只代猴体内的325个SCNT胚胎中,我们克隆了5只猕猴,它们的两个等位基因都有BMAL1突变,但没有嵌合现象,其核基因与成纤维细胞供体猴的核基因相同。进一步的外周血mRNA分析证实野生型BMAL1转录物完全缺失。该研究表明,SCNT方法可用于从年轻成年猴的成纤维细胞中生成克隆猴,并为具有统一遗传背景的猕猴疾病模型的开发铺平了道路。
Cloning of macaque monkeys by somatic cell nucleus transfer (SCNT) allows the generation of monkeys with uniform genetic backgrounds that are useful for the development of non-human primate models of human diseases. Here, we report the feasibility of this approach by SCNT of fibroblasts from a macaque monkey (Macaca fascicularis), in which a core circadian transcription factor BMAL1 was knocked out by clustered regularly interspaced short palindromic repeat/Cas9 gene editing (see accompanying paper). Out of 325 SCNT embryos transferred into 65 surrogate monkeys, we cloned five macaque monkeys with BMAL1 mutations in both alleles without mosaicism, with nuclear genes identical to that of the fibroblast donor monkey. Further peripheral blood mRNA analysis confirmed the complete absence of the wild-type BMAL1 transcript. This study demonstrates that the SCNT approach could be used to generate cloned monkeys from fibroblasts of a young adult monkeys and paves the way for the development of macaque monkey disease models with uniform genetic backgrounds.
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