CRISPR/Cas9-engineered human ES cells harboring heterozygous and homozygous c-KIT knockout
Stem cell research(2022)
Abstract
The receptor tyrosine kinase c-KIT (CD117) has a key role in hematopoiesis and is a marker for endothelial and cardiac progenitor cells. In vivo, deficiency of c-KIT is lethal and therefore using CRISPR/Cas9 editing we generated heterozygous and homozygous c-KIT knockout human embryonic stem cell (ES cell) lines. The c-KIT knockout left ES cell pluripotency unaffected as shown by immunofluorescence and trilineage differentiation potential. Heterozygous and homozygous c-KIT knockouts showed complete loss of exon 17, resulting in ablation of c-KIT protein from the cell surface. c-KIT knockout ES cells provide a valuable tool for further investigating c-KIT biology.
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Key words
Embryonic stem cells,ES cells,c-KIT,CD117,Stem cell factor receptor,CRISPR
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