학술논문

PR interval genome-wide association meta-analysis identifies 50 loci associated with atrial and atrioventricular electrical activity
Document Type
article
Author
van Setten, JessicaBrody, Jennifer AJamshidi, YaldaSwenson, Brenton RButler, Anne MCampbell, HarryDel Greco, Fabiola MEvans, Daniel SGibson, QuinceGudbjartsson, Daniel FKerr, Kathleen FKrijthe, Bouwe PLyytikäinen, Leo-PekkaMüller, ChristianMüller-Nurasyid, MartinaNolte, Ilja MPadmanabhan, SandoshRitchie, Marylyn DRobino, AntoniettaSmith, Albert VSteri, MaristellaTanaka, ToshikoTeumer, AlexanderTrompet, StellaUlivi, SheilaVerweij, NiekYin, XiaoyanArnar, David OAsselbergs, Folkert WBader, Joel SBarnard, JohnBis, JoshBlankenberg, StefanBoerwinkle, EricBradford, YukiBuckley, Brendan MChung, Mina KCrawford, Danaden Hoed, MarcelDenny, Josh CDominiczak, Anna FEhret, Georg BEijgelsheim, MarkEllinor, Patrick TFelix, Stephan BFranco, Oscar HFranke, LudeHarris, Tamara BHolm, HilmaIlaria, GandinIorio, AnnamariaKähönen, MikaKolcic, IvanaKors, Jan ALakatta, Edward GLauner, Lenore JLin, HonghuangLin, Henry JLoos, Ruth JFLubitz, Steven AMacfarlane, Peter WMagnani, Jared WLeach, Irene MateoMeitinger, ThomasMitchell, Braxton DMunzel, ThomasPapanicolaou, George JPeters, AnnettePfeufer, ArnePramstaller, Peter PRaitakari, Olli TRotter, Jerome IRudan, IgorSamani, Nilesh JSchlessinger, DavidSilva Aldana, Claudia TSinner, Moritz FSmith, Jonathan DSnieder, HaroldSoliman, Elsayed ZSpector, Timothy DStott, David JStrauch, KonstantinTarasov, Kirill VThorsteinsdottir, UnnurUitterlinden, Andre GVan Wagoner, David RVölker, UweVölzke, HenryWaldenberger, MelanieJan Westra, HarmWild, Philipp SZeller, TanjaAlonso, AlvaroAvery, Christy LBandinelli, StefaniaBenjamin, Emelia JCucca, FrancescoDörr, MarcusFerrucci, Luigi
Source
Nature Communications. 9(1)
Subject
Biological Sciences
Genetics
Human Genome
Heart Disease
Biotechnology
Cardiovascular
Aetiology
2.1 Biological and endogenous factors
Atrial Function
Atrioventricular Node
Electrocardiography
Electrophysiological Phenomena
Female
Genome-Wide Association Study
Humans
Linkage Disequilibrium
Male
Mutation
Missense
Risk Factors
Language
Abstract
Electrocardiographic PR interval measures atrio-ventricular depolarization and conduction, and abnormal PR interval is a risk factor for atrial fibrillation and heart block. Our genome-wide association study of over 92,000 European-descent individuals identifies 44 PR interval loci (34 novel). Examination of these loci reveals known and previously not-yet-reported biological processes involved in cardiac atrial electrical activity. Genes in these loci are over-represented in cardiac disease processes including heart block and atrial fibrillation. Variants in over half of the 44 loci were associated with atrial or blood transcript expression levels, or were in high linkage disequilibrium with missense variants. Six additional loci were identified either by meta-analysis of ~105,000 African and European-descent individuals and/or by pleiotropic analyses combining PR interval with heart rate, QRS interval, and atrial fibrillation. These findings implicate developmental pathways, and identify transcription factors, ion-channel genes, and cell-junction/cell-signaling proteins in atrio-ventricular conduction, identifying potential targets for drug development.