We report the generation-characterization of a fetal liver (FL) B-cell progenitor (BCP)-derived human induced pluripotent stem cell (hiPSC) line CRISPR/Cas9-edited to carry/express a single copy of doxycycline-inducible Cas9 gene in the "safe locus" AAVS1 (iCas9-FL-BCP-hiPSC). Gene-edited iPSCs remained pluripotent after CRISPR/Cas9 genome-edition. Correct genomic integration of a unique copy of Cas9 was confirmed by PCR and Southern blot. Cas9 was robustly and specifically expressed on doxycycline exposure. T7-endonuclease assay demonstrated that iCas9 induces robust gene-edition when gRNAs against hematopoietic transcription factors were tested. This iCas9-FL-BCP-hiPSC will facilitate gene-editing approaches for studies on developmental biology, drug screening and disease modeling.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5446316 | PMC |
| http://dx.doi.org/10.1016/j.scr.2017.04.011 | DOI Listing |
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