Highly Efficient Genome Editing of Murine and Human Hematopoietic Progenitor Cells by CRISPR/Cas9.

Highly Efficient Genome Editing of Murine and Human Hematopoietic Progenitor Cells by CRISPR/Cas9.
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DOI:
10.1016/j.celrep.2016.09.092
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发表时间:
2016-10-25
期刊:
影响因子:
8.8
通讯作者:
Nakada D
Nakada D
中科院分区:
生物学1区
文献类型:
--
作者:
Gundry MC;Brunetti L;Lin A;Mayle AE;Kitano A;Wagner D;Hsu JI;Hoegenauer KA;Rooney CM;Goodell MA;Nakada D

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通过对小鼠进行基因操作,我们对造血干细胞/祖细胞 (HSPC) 调节机制的理解得到了进一步的提高。然而,种系修饰既耗时又昂贵。在这里,我们描述了使用 CRISPR/Cas9 系统直接修​​改小鼠和人类 HSPC 基因组的快速、高效且经济有效的方法。使用无质粒和病毒的方式将引导RNA单独递送至表达Cas9的HSPC中,或将Cas9引导RNA核糖核蛋白(RNP)复合物递送至野生型细胞中,我们在小鼠(>60%)和人类(~75%)的原代HSPC中实现了极其有效的基因破坏。这些技术能够快速评估 Eed、Suz12 和 DNMT3A 基因丢失的功能影响。我们还在原代人类 HSPC 中实现了同源定向修复 (>20%)。这些方法将显着扩展 CRISPR/Cas9 技术在正常和恶性造血研究中的应用。
Our understanding of the mechanisms that regulate hematopoietic stem/progenitor cells (HSPCs) has been advanced by the ability to genetically manipulate mice; however, germline modification is time-consuming and expensive. Here we describe fast, efficient, and cost-effective methods to directly modify the genomes of mouse and human HSPCs using the CRISPR/Cas9 system. Using plasmid and virus-free delivery of guide RNAs alone into Cas9-expressing HSPCs, or Cas9-guide-RNA ribonucleoprotein (RNP) complexes into wild-type cells, we have achieved extremely efficient gene disruption in primary HSPCs from mouse (>60%) and human (~75%). These techniques enabled rapid evaluation of the functional effects of gene loss of Eed, Suz12, and DNMT3A. We also achieved homology-directed repair in primary human HSPCs (>20%). These methods will significantly expand applications for CRISPR/Cas9 technologies for studying normal and malignant hematopoiesis.
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