| Summary: | The FLNC gene encodes the sarcomeric protein filamin C which plays a central role in cardiomyocytes. Truncating FLNC mutations (stop or frameshift etc.) also cause dilated cardiomyopathy (DCM) and arrhythmogenic right ventricular cardiomyopathy (ARVC). To further understand the exact role of FLNC in DCM, we have generated a human FLNC knockout cell line from the original embryonic stem cell line H9 by CRISPR/Cas9 gene editing technology in this study. The establishment cell line WAe009-A-70 have a compound heterozygous 4 bp deletion/13 bp deletion in the exon 1 of FLNC which resulted in a frameshift in the translation of FLNC. No filamin C protein was detected in cardiomyocytes differentiated from this cell line. Moreover, WAe009-A-70 also expressed pluripotency markers, maintained the ability to differentiate into the three germ layers in vitro and had a normal karyotype.
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