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Updated: Jul 1, 2025
Generation of Defined Genomic Modifications Using CRISPR-CAS9 in Human Pluripotent Stem Cells
Published on: September 25, 2019
Generation of a TMEM43 knockout human induced pluripotent stem cell line (HDZi003-A-1) using CRISPR/Cas9
Sandra Ratnavadivel1, Joline Dammeier1, Anna Gaertner1
1Erich and Hanna Klessmann Institute, Heart and Diabetes Center NRW, University Hospital of the Ruhr-University Bochum, D-32545 Bad Oeynhausen, Georgstrasse 11, Germany.
Abstract:
TMEM43 (LUMA) is a ubiquitously expressed protein with unknown function. The protein is phylogenetically highly conserved and also found in Drosophila melanogaster (Klinke et al., 2022). TMEM43-p.S358L is a rare, fully penetrant mutation that leads to arrhythmogenic right ventricular cardiomyopathy type 5 (ARVC5). To understand the function of the ARVC5-associated mutation it is first important to understand the function of the TMEM43 protein. Therefore, a TMEM43 knockout induced pluripotent stem cell (iPSC) line was generated using the CRISPR/Cas9 genome editing system. The resulting cell line had a deficiency of TMEM43 and showed normal morphology and a stable karyotype. The colonies were positive for pluripotency markers and could be differentiated into the three germ layers.
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