A CRISPR/Cas-mediated selection-free knockin strategy in human embryonic stem cells Journal Article


Authors: Zhu, Z.; Verma, N.; González, F.; Shi, Z. D.; Huangfu, D.
Article Title: A CRISPR/Cas-mediated selection-free knockin strategy in human embryonic stem cells
Abstract: The development of new gene-editing tools, in particular the CRISPR/Cas system, has greatly facilitated site-specific mutagenesis in human embryonic stem cells (hESCs), including the introduction or correction of patient-specific mutations for disease modeling. However, integration of a reporter gene into an endogenous locus in hESCs still requires a lengthy and laborious two-step strategy that involves first drug selection to identify correctly targeted clones and then excision of the drug-resistance cassette. Through the use of iCRISPR, an efficient gene-editing platform we recently developed, this study demonstrates a knockin strategy without drug selection for both active and silent genes in hESCs. Lineage-specific hESC reporter lines are useful for real-time monitoring of cell-fate decisions and lineage tracing, as well as enrichment of specific cell populations during hESC differentiation. Thus, this selection-free knockin strategy is expected to greatly facilitate the use of hESCs for developmental studies, disease modeling, and cell-replacement therapy. © 2015 The Authors.
Journal Title: Stem Cell Reports
Volume: 4
Issue: 6
ISSN: 2213-6711
Publisher: Cell Press  
Date Published: 2015-06-09
Start Page: 1103
End Page: 1111
Language: English
DOI: 10.1016/j.stemcr.2015.04.016
PROVIDER: scopus
PMCID: PMC4471821
PUBMED: 26028531
DOI/URL:
Notes: Export Date: 2 July 2015 -- Source: Scopus
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  1. Danwei Huangfu
    54 Huangfu
  2. Zhongdong Shi
    15 Shi
  3. Zengrong Zhu
    10 Zhu
  4. Nipun Verma
    16 Verma