Robust genome and RNA editing via CRISPR nucleases in PiggyBac systems.

Robust genome and RNA editing via CRISPR nucleases in PiggyBac systems.
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DOI:
10.1016/j.bioactmat.2022.01.046
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发表时间:
2022-08
影响因子:
18.9
通讯作者:
Lian XL
Lian XL
中科院分区:
工程技术1区
文献类型:
--
作者:
Jiang Y;Hoenisch RC;Chang Y;Bao X;Cameron CE;Lian XL

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CRISPR/Cas-mediated genome editing in human pluripotent stem cells (hPSCs) offers unprecedented opportunities for developing in vitro disease modeling, drug screening and cell-based therapies. To efficiently deliver the CRISPR components, here we developed two all-in-one vectors containing Cas9/gRNA and inducible Cas13d/gRNA cassettes for robust genome editing and RNA interference respectively. These vectors utilized the PiggyBac transposon system, which allows stable expression of CRISPR components in hPSCs. The Cas9 vector PB-CRISPR exhibited high efficiency (up to 99%) of inducing gene knockout in both protein-coding genes and long non-coding RNAs. The other inducible Cas13d vector achieved extremely high efficiency in RNA knockdown (98% knockdown for CD90) with optimized gRNA designs. Taken together, our PiggyBac CRISPR vectors can serve as powerful toolkits for studying gene functions in hPSCs. PB-CRISPR enables robust knockout of genes expressed in hPSCs. PB-CRISPR enables robust knockout of silent genes in hPSCs. PB-CRISPR enables robust knockout of lncRNAs in hPSCs. Inducible piggyBac Cas13d system enables robust RNA knockdown.
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