Two iPSC lines with frameshift mutations in FTSJ1 as models for X-linked non-syndromic intellectual disability.
CRISPR/Cas9 was used to introduce two different FTSJ1 frameshift mutations into an existing human male iPSC line (UMGWi004-B). No additional genomic or chromosomal changes were detected. The modified iPSC express different stem cell markers and can be induced to differentiate into cells from all three germ layers. FTSJ1 is ubiquitously expressed and mutations in this X-chromosomal gene are involved in an intellectual developmental disorder (OMIM: #309549). These cells can be used to model the disease at the cellular and organoid level in their original state or after differentiation into cell types of interest.
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