Cited by 339CRISPR and Genetic EngineeringDNA Repair MechanismsRNA regulation and disease

Knock-in of large reporter genes in human cells via CRISPR/Cas9-induced homology-dependent and independent DNA repair

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He, Xiangjun, Tan, Chunlai, Wang, Feng, Wang, Yaofeng, Zhou, Rui, Cui, Dexuan, You, Wenxing, Zhao, Hui +2 more·2016·Nucleic Acids Research

Abstract

CRISPR/Cas9-induced site-specific DNA double-strand breaks (DSBs) can be repaired by homology-directed repair (HDR) or non-homologous end joining (NHEJ) pathways. Extensive efforts have been made to knock-in exogenous DNA to a selected genomic locus in human cells; which, however, has focused on HDR-based strategies and was proven inefficient. Here, we report that NHEJ pathway mediates efficient rejoining of genome and plasmids following CRISPR/Cas9-induced DNA DSBs, and promotes high-efficiency DNA integration in various human cell types. With this homology-independent knock-in strategy, integration of a 4.6 kb promoterless ires-eGFP fragment into the GAPDH locus yielded up to 20% GFP+ cells in somatic LO2 cells, and 1.70% GFP+ cells in human embryonic stem cells (ESCs). Quantitative comparison further demonstrated that the NHEJ-based knock-in is more efficient than HDR-mediated gene targeting in all human cell types examined. These data support that CRISPR/Cas9-induced NHEJ provides a valuable new path for efficient genome editing in human ESCs and somatic cells.

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Authors
He, X., Tan, C., Wang, F., Wang, Y., Zhou, R., Cui, D., You, W., Zhao, H., Ren, J., & Feng, B.
Affiliations
Chinese University of Hong Kong (HK)
Corresponding author
Feng, Bo
Venue
Nucleic Acids Research
Published
2016-02-04
Volume
44
Issue
9
Pages
e85-e85
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2267596434
Cited by
338
References
56
Citations by year
2026: 4 · 2025: 18 · 2024: 29 · 2023: 25 · 2022: 36 · 2021: 42 · 2020: 56 · 2019: 35 · 2018: 43 · 2017: 35 · 2016: 15
FWCI
22.17
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • National Natural Science Foundation of China (T13-607/12R, 2015CB964700, NSFC 31171433, JCYJ20140425184428469)
  • Chinese University of Hong Kong
  • Hong Kong University of Science and Technology
  • National Key Research and Development Program of China (2015CB964700)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
Keywords
CRISPR/Cas9, non-homologous end joining, homology-directed repair, knock-in, DNA double-strand breaks, human embryonic stem cells, somatic cells, genome editing efficiency
MeSH terms
Human Embryonic Stem Cells, Gene Editing, RNA, Guide, CRISPR-Cas Systems, DNA, Humans, Genes, Reporter, Glyceraldehyde-3-Phosphate Dehydrogenase (Phosphorylating), HCT116 Cells, Cell Line, Tumor, Green Fluorescent Proteins, DNA Breaks, Double-Stranded, Gene Knock-In Techniques, HEK293 Cells, DNA End-Joining Repair, Recombinational DNA Repair, Clustered Regularly Interspaced Short Palindromic Repeats, CRISPR-Cas Systems

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