Augmenting and directing long-range CRISPR-mediated activation in human cells.

Augmenting and directing long-range CRISPR-mediated activation in human cells.
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增强和指导人类细胞中 CRISPR 介导的长程激活。

DOI:
10.1038/s41592-021-01224-1
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发表时间:
2021-09
期刊:
影响因子:
48
通讯作者:
Joung JK
Joung JK
中科院分区:
生物学1区
文献类型:
--
作者:
Tak YE;Horng JE;Perry NT;Schultz HT;Iyer S;Yao Q;Zou LS;Aryee MJ;Pinello L;Joung JK

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Epigenetic editing is an emerging technology that uses artificial transcription factors (aTFs) to regulate expression of a target gene. Although human genes can be robustly upregulated by targeting aTFs to promoters, the activation induced by directing aTFs to distal transcriptional enhancers is substantially less robust and consistent. Here we show that long-range activation using CRISPR-based aTFs in human cells can be made more efficient and reliable by concurrently targeting an aTF to the target gene promoter. We used this strategy to direct target gene choice for enhancers capable of regulating more than one promoter and to achieve allele-selective activation of human genes by targeting aTFs to SNPs embedded in distally located sequences. Our results broaden the potential applications of the epigenetic editing toolbox for research and therapeutics.
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