Generation and genetic repair of two human induced pluripotent stem cell lines from patients with Epidermolysis Bullosa simplex associated with a heterozygous mutation in the translation initiation codon of KLHL24

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Pachis, Spyridon | Ramovs, Veronika | Freund, Christian | Has, Cristina | Raymond, Karine

Edité par CCSD ; Elsevier -

International audience. Fibroblasts from two patients carrying a distinct heterozygous mutation in the KLHL24 gene (c.1 A>G and c.2T>C) were reprogrammed to obtain hiPSC lines. Non-integrating Sendai virus and CRISPR-Cas9 editing were respectively used to deliver the reprogramming factors and repair the mutation in the patient-hiPSCs to obtain isogenic control pairs. No off-target nuclease activity was detected with the top-predicted sites. Patient and isogenic hiPSCs displayed typical morphology, expressed markers of the undifferentiated state, were able to differentiate into the three germ layers and had normal karyotypes. These isogenic pairs will expand the panel of hiPSC lines to model KLHL24-associated conditions.

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