Article
The G213D variant in Nav1.5 alters sodium current and causes an arrhythmogenic phenotype resulting in a multifocal ectopic Purkinje-related premature contraction phenotype in human-induced pluripotent stem cell-derived cardiomyocytes.
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology - 9 Dec 2022
Calloe Kirstine, Geryk Michelle, Freude Kristine, Treat Jacqueline A, Vold Victoria A, Frederiksen Henriette Reventlow S, Broendberg Anders Krogh, Frederiksen Tanja Charlotte, Jensen Henrik K, Cordeiro Jonathan M
Abstract excerpt
AIMS: Variants in SCN5A encoding Nav1.5 are associated with cardiac arrhythmias. We aimed to determine the mechanism by which c.638G>A in SCNA5 resulting in p.Gly213Asp (G213D) in Nav1.5 altered Na+ channel function and how flecainide corrected the defect in a family with multifocal ectopic Purkinje-related premature contractions (MEPPC)-like syndrome. METHODS AND RESULTS: Five patients carrying the G213D variant...
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