Augmenting and Directing Robust, Long-Range CRISPR-Mediated Activation in Human Cells
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Tak, Y. Esther
Horng, Joy E.
Perry, Nicholas T.
Zou, Luli S.
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CitationTak, Y. Esther, Joy E Horng, Nicholas T Perry, Hayley T Schultz, Sowmya Iyer, Qiuming Yao, Luli S Zou, Martin J Aryee, Luca Pinello, and J. Keith Joung. 2021. “Augmenting and Directing Long-Range CRISPR-Mediated Activation in Human Cells.” Nature Methods 18 (9): 1075–81.
AbstractEpigenetic 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 targeting 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.
Citable link to this pagehttps://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37371859
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