Genetic analyses of the electrocardiographic QT interval and its components identify additional loci and pathways

Author:

Young William J.ORCID,Lahrouchi Najim,Isaacs AaronORCID,Duong ThuyVy,Foco LuisaORCID,Ahmed Farah,Brody Jennifer A.ORCID,Salman Reem,Noordam RaymondORCID,Benjamins Jan-WalterORCID,Haessler Jeffrey,Lyytikäinen Leo-PekkaORCID,Repetto Linda,Concas Maria PinaORCID,van den Berg Marten E.,Weiss StefanORCID,Baldassari Antoine R.,Bartz Traci M.,Cook James P.,Evans Daniel S.,Freudling Rebecca,Hines Oliver,Isaksen Jonas L.ORCID,Lin HonghuangORCID,Mei Hao,Moscati Arden,Müller-Nurasyid Martina,Nursyifa Casia,Qian Yong,Richmond Anne,Roselli CarolinaORCID,Ryan Kathleen A.ORCID,Tarazona-Santos Eduardo,Thériault Sébastien,van Duijvenboden Stefan,Warren Helen R.ORCID,Yao Jie,Raza Dania,Aeschbacher Stefanie,Ahlberg Gustav,Alonso AlvaroORCID,Andreasen LauraORCID,Bis Joshua C.ORCID,Boerwinkle Eric,Campbell ArchieORCID,Catamo Eulalia,Cocca MassimilianoORCID,Cutler Michael J.ORCID,Darbar DawoodORCID,De Grandi Alessandro,De Luca Antonio,Ding Jun,Ellervik ChristinaORCID,Ellinor Patrick T.ORCID,Felix Stephan B.,Froguel PhilippeORCID,Fuchsberger Christian,Gögele MartinORCID,Graff Claus,Graff MariaelisaORCID,Guo XiuqingORCID,Hansen TorbenORCID,Heckbert Susan R.ORCID,Huang Paul L.,Huikuri Heikki V.,Hutri-Kähönen Nina,Ikram M. ArfanORCID,Jackson Rebecca D.,Junttila Juhani,Kavousi MaryamORCID,Kors Jan A.,Leal Thiago P.,Lemaitre Rozenn N.ORCID,Lin Henry J.ORCID,Lind Lars,Linneberg AllanORCID,Liu SiminORCID,MacFarlane Peter W.,Mangino MassimoORCID,Meitinger ThomasORCID,Mezzavilla MassimoORCID,Mishra Pashupati P.,Mitchell Rebecca N.,Mononen Nina,Montasser May E.ORCID,Morrison Alanna C.ORCID,Nauck MatthiasORCID,Nauffal Victor,Navarro PauORCID,Nikus Kjell,Pare Guillaume,Patton Kristen K.,Pelliccione Giulia,Pittman AlanORCID,Porteous David J.ORCID,Pramstaller Peter P.ORCID,Preuss Michael H.ORCID,Raitakari Olli T.,Reiner Alexander P.ORCID,Ribeiro Antonio Luiz P.ORCID,Rice Kenneth M.ORCID,Risch LorenzORCID,Schlessinger David,Schotten Ulrich,Schurmann ClaudiaORCID,Shen XiaORCID,Shoemaker M. Benjamin,Sinagra GianfrancoORCID,Sinner Moritz F.ORCID,Soliman Elsayed Z.ORCID,Stoll Monika,Strauch Konstantin,Tarasov KirillORCID,Taylor Kent D.,Tinker AndrewORCID,Trompet StellaORCID,Uitterlinden AndréORCID,Völker Uwe,Völzke Henry,Waldenberger MelanieORCID,Weng Lu-ChenORCID,Whitsel Eric A.ORCID,Wilson James G.,Avery Christy L.ORCID,Conen David,Correa AdolfoORCID,Cucca Francesco,Dörr MarcusORCID,Gharib Sina A.,Girotto GiorgiaORCID,Grarup NielsORCID,Hayward CarolineORCID,Jamshidi YaldaORCID,Järvelin Marjo-RiittaORCID,Jukema J. WouterORCID,Kääb Stefan,Kähönen Mika,Kanters Jørgen K.ORCID,Kooperberg CharlesORCID,Lehtimäki TerhoORCID,Lima-Costa Maria Fernanda,Liu Yongmei,Loos Ruth J. F.ORCID,Lubitz Steven A.ORCID,Mook-Kanamori Dennis O.,Morris Andrew P.ORCID,O’Connell Jeffrey R.,Olesen Morten SallingORCID,Orini MicheleORCID,Padmanabhan Sandosh,Pattaro CristianORCID,Peters AnnetteORCID,Psaty Bruce M.ORCID,Rotter Jerome I.,Stricker Bruno,van der Harst PimORCID,van Duijn Cornelia M.ORCID,Verweij NiekORCID,Wilson James F.ORCID,Arking Dan E.,Ramirez JuliaORCID,Lambiase Pier D.,Sotoodehnia Nona,Mifsud Borbala,Newton-Cheh ChristopherORCID,Munroe Patricia B.ORCID

Abstract

AbstractThe QT interval is an electrocardiographic measure representing the sum of ventricular depolarization and repolarization, estimated by QRS duration and JT interval, respectively. QT interval abnormalities are associated with potentially fatal ventricular arrhythmia. Using genome-wide multi-ancestry analyses (>250,000 individuals) we identify 177, 156 and 121 independent loci for QT, JT and QRS, respectively, including a male-specific X-chromosome locus. Using gene-based rare-variant methods, we identify associations with Mendelian disease genes. Enrichments are observed in established pathways for QT and JT, and previously unreported genes indicated in insulin-receptor signalling and cardiac energy metabolism. In contrast for QRS, connective tissue components and processes for cell growth and extracellular matrix interactions are significantly enriched. We demonstrate polygenic risk score associations with atrial fibrillation, conduction disease and sudden cardiac death. Prioritization of druggable genes highlight potential therapeutic targets for arrhythmia. Together, these results substantially advance our understanding of the genetic architecture of ventricular depolarization and repolarization.

Funder

Individual author funding is supplied in the acknowledgements section. Study funding is supplied in detail, in Supplementary Note 6 - Study funding.

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry,Multidisciplinary

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