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Volume 15, Issue 1, Pages 31-36 (July 2014)
Targeted Gene Correction Minimally Impacts Whole-Genome Mutational Load in Human-Disease-Specific Induced Pluripotent Stem Cell Clones Keiichiro Suzuki, Chang Yu, Jing Qu, Mo Li, Xiaotian Yao, Tingting Yuan, April Goebl, Senwei Tang, Ruotong Ren, Emi Aizawa, Fan Zhang, Xiuling Xu, Rupa Devi Soligalla, Feng Chen, Jessica Kim, Na Young Kim, Hsin-Kai Liao, Chris Benner, Concepcion Rodriguez Esteban, Yabin Jin, Guang-Hui Liu, Yingrui Li, Juan Carlos Izpisua Belmonte Cell Stem Cell Volume 15, Issue 1, Pages (July 2014) DOI: /j.stem Copyright © 2014 Elsevier Inc. Terms and Conditions
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Cell Stem Cell 2014 15, 31-36DOI: (10.1016/j.stem.2014.06.016)
Copyright © 2014 Elsevier Inc. Terms and Conditions
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Figure 1 Relationship between Gene-Corrected Clones and Their Parental Lines (A) Parental disease iPSC lines were genetically corrected by HDAdV or TALEN. During the gene-correction process, neomycin-resistant colonies were isolated and gene-correction events were determined by genotyping. Identified gene-corrected clones were expanded and genomic DNA was extracted for WGS at day 80. The neomycin-resistance cassette was removed by FLPo recombinase, and Neo-removed clones were expanded and genomic DNA was extracted for WGS at day 150 to 180. The results of WGS analysis were compared between each parental line and its genetically modified clone to determine mutations accumulated during the entire process. (B) Gene-targeting and gene-correction efficiencies at the HBB locus with TALEN, HDAdV, CRISPR/CAS9 nuclease, and the TALEN-HDAdV combination vector (telHDAdV). Group 1: HGPS disease iPSC line (HGPS) and its gene-corrected clone by HDAdV (cHGPS) were published previously (Liu et al., 2011a, 2011b). Group 2: SCD disease iPSC line (SCD) and its gene-corrected clone by HDAdV (cSCD) were published previously (Li et al., 2011). Group 3: PD disease iPSC line (PD) and its gene-corrected clone by HDAdV (cPD) were published previously (Liu et al., 2012). Group 4: The single-cell-derived SCD disease iPSC clone (SCD-ref) was genetically corrected by HDAdV or TALEN. HDAdV1 and TALEN1 target intron 1 of the HBB gene. HDAdV2 and TALEN2 target downstream of the HBB gene. The unmodified clone (SCD-ctrl) was used as a strict control. See also Figure S1. Cell Stem Cell , 31-36DOI: ( /j.stem ) Copyright © 2014 Elsevier Inc. Terms and Conditions
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