A novel KCND3 gain-of-function mutation associated with early-onset of persistent lone atrial fibrillation

Morten Steen Salling Olesen, Lena Refsgaard, Anders Gaarsdal Holst, Anders Peter Larsen, Søren Grubb, Stig Haunsø, Jesper Hastrup Svendsen, Søren-Peter Olesen, Nicole Schmitt, Kirstine Callø

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Abstract

AimsAtrial fibrillation (AF) is the most common cardiac arrhythmia, and early-onset lone AF has been linked to mutations in genes encoding ion channels. Mutations in the pore forming subunit K4.3 leading to an increase in the transient outward potassium current (I) have previously been associated with the Brugada Syndrome. Here we aim to determine if mutations in K4.3 or in the auxiliary subunit K Channel-Interacting Protein (KChIP) 2 are associated with early-onset lone AF.Methods and resultsTwo hundred and nine unrelated early-onset lone AF patients (
Original languageEnglish
JournalCardiovascular Research
Volume98
Issue number3
Pages (from-to)488-495
Number of pages8
ISSN0008-6363
DOIs
Publication statusPublished - 2013

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