Efficient generation of gene-modified pigs via injection of zygote with Cas9/sgRNA.

Efficient generation of gene-modified pigs via injection of zygote with Cas9/sgRNA.
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通过向受精卵注射 Cas9/sgRNA 高效生成基因修饰猪

DOI:
10.1038/srep08256
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发表时间:
2015-02-05
期刊:
影响因子:
4.6
通讯作者:
Wei H
Wei H
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Wang Y;Du Y;Shen B;Zhou X;Li J;Liu Y;Wang J;Zhou J;Hu B;Kang N;Gao J;Yu L;Huang X;Wei H

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已证明将受精卵与Cas9 mRNA和sgRNA共注射是用于不同物种的基因组修饰的有效基因编辑策略。猪的基因工程在生物医学研究中有很大的前景。通过将Cas9 mRNA和Npc1l1 sgRNA共注射到中国巴马小型猪的1细胞期胚胎中,我们实现了Npc1l1的精确靶向,效率高达100%。同时,我们仔细分析了Npc111sgRNA:Cas9介导的各种体细胞组织和卵巢中的靶上和脱靶突变,并证明了用Cas9 mRNA和sgRNA注射受精卵是产生基因修饰猪的有效和可靠的方法。
Co-injection of zygotes with Cas9 mRNA and sgRNA has been proven to be an efficient gene-editing strategy for genome modification of different species. Genetic engineering in pigs holds a great promise in biomedical research. By co-injection of one-cell stage embryos with Cas9 mRNA andNpc1l1sgRNA, we achieved preciseNpc1l1targeting in Chinese Bama miniature pigs at the efficiency as high as 100%. Meanwhile, we carefully analyzed theNpc1l1sgRNA:Cas9-mediated on- and off-target mutations in various somatic tissues and ovaries and demonstrated that injection of zygotes with Cas9 mRNA and sgRNA is an efficient and reliable approach for generation of gene-modified pigs.
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