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SNTA1 encodes α1-syntrophin, a scaffold protein, which is a component of the dystrophin-associated protein complex. Additionally, α1-syntrophin interacts with SCN5A and nNOS-PMCA4b complex in cardiomyocytes. SNTA1 is a susceptibility locus for arrhythmia and cardiomyopathy. We generated a homozygous SNTA1 knockout human embryonic stem cell (H9SNTA1KO) using the CRISPR/Cas9 system. H9SNTA1KO maintained pluripotency and a normal karyotype and differentiated into three germ layers in vivo.
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Dong et al. (2021) studied this question.
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