High Prevalence of Long QT Syndrome–Associated SCN5A Variants in Patients With Early-Onset Lone Atrial Fibrillation
Author(s) -
Morten S. Olesen,
Lei Yuan,
Bo Liang,
Anders G. Holst,
Nikolaj Nielsen,
Jonas B. Nielsen,
Paula L. Hedley,
Michael Christiansen,
SørenPeter Olesen,
Stig Haunsø,
Nicole Schmitt,
Thomas Jespersen,
Jesper Hastrup Svendsen
Publication year - 2012
Publication title -
circulation cardiovascular genetics
Language(s) - English
Resource type - Journals
eISSN - 1942-325X
pISSN - 1942-3268
DOI - 10.1161/circgenetics.111.962597
Subject(s) - proband , nonsynonymous substitution , atrial fibrillation , medicine , long qt syndrome , population , sodium channel , genetics , minor allele frequency , missense mutation , cardiology , allele frequency , mutation , biology , allele , qt interval , gene , chemistry , environmental health , organic chemistry , genome , sodium
Atrial fibrillation (AF) is the most common cardiac arrhythmia. The cardiac sodium channel, Na(V)1.5, plays a pivotal role in setting the conduction velocity and the initial depolarization of the cardiac myocytes. We hypothesized that early-onset lone AF was associated with genetic variation in SCN5A.
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