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Genetic Determinants of Electrocardiographic P-wave Duration and Relation to Atrial Fibrillation.
Circulation: Genomic and Precision Medicine ( IF 6.0 ) Pub Date : 2020-08-21 , DOI: 10.1161/circgen.119.002874
Lu-Chen Weng 1, 2 , Amelia Weber Hall 1, 2 , Seung Hoan Choi 2 , Sean J Jurgens 2 , Jeffrey Haessler 3 , Nathan A Bihlmeyer 4 , Niels Grarup 5 , Honghuang Lin 6, 7 , Alexander Teumer 8, 9 , Ruifang Li-Gao 10 , Jie Yao 11 , Xiuqing Guo 11, 12 , Jennifer A Brody 13 , Martina Müller-Nurasyid 14, 15, 16 , Katharina Schramm 14, 15, 16 , Niek Verweij 17, 18 , Marten E van den Berg 19 , Jessica van Setten 20 , Aaron Isaacs 21, 22 , Julia Ramírez 23, 24 , Helen R Warren 23, 24 , Sandosh Padmanabhan 25 , Jan A Kors 26 , Rudolf A de Boer 18 , Peter van der Meer 18 , Moritz F Sinner 15, 27 , Melanie Waldenberger 27, 28, 29 , Bruce M Psaty 30, 31 , Kent D Taylor 11, 12 , Uwe Völker 8, 32 , Jørgen K Kanters 33 , Man Li 34 , Alvaro Alonso 35 , Marco V Perez 36 , Ilonca Vaartjes 37 , Michiel L Bots 37 , Paul L Huang 1 , Susan R Heckbert 38 , Henry J Lin 11, 12 , Jelena Kornej 6 , Patricia B Munroe 23, 24 , Cornelia M van Duijn 39, 40 , Folkert W Asselbergs 20, 41, 42 , Bruno H Stricker 43, 44, 45 , Pim van der Harst 18, 46, 47 , Stefan Kääb 15, 27 , Annette Peters 27, 28, 48 , Nona Sotoodehnia 13 , Jerome I Rotter 11, 49 , Dennis O Mook-Kanamori 10, 50 , Marcus Dörr 8, 51 , Stephan B Felix 8, 51 , Allan Linneberg 52, 53 , Torben Hansen 5 , Dan E Arking 4 , Charles Kooperberg 3 , Emelia J Benjamin 6, 54, 55 , Kathryn L Lunetta 6, 56 , Patrick T Ellinor 1, 2, 57 , Steven A Lubitz 2, 57
Affiliation  

Background:The P-wave duration (PWD) is an electrocardiographic measurement that represents cardiac conduction in the atria. Shortened or prolonged PWD is associated with atrial fibrillation (AF). We used exome-chip data to examine the associations between common and rare variants with PWD.Methods:Fifteen studies comprising 64 440 individuals (56 943 European, 5681 African, 1186 Hispanic, 630 Asian) and ≈230 000 variants were used to examine associations with maximum PWD across the 12-lead ECG. Meta-analyses summarized association results for common variants; gene-based burden and sequence kernel association tests examined low-frequency variant-PWD associations. Additionally, we examined the associations between PWD loci and AF using previous AF genome-wide association studies.Results:We identified 21 common and low-frequency genetic loci (14 novel) associated with maximum PWD, including several AF loci (TTN, CAND2, SCN10A, PITX2, CAV1, SYNPO2L, SOX5, TBX5, MYH6, RPL3L). The top variants at known sarcomere genes (TTN, MYH6) were associated with longer PWD and increased AF risk. However, top variants at other loci (eg, PITX2 and SCN10A) were associated with longer PWD but lower AF risk.Conclusions:Our results highlight multiple novel genetic loci associated with PWD, and underscore the shared mechanisms of atrial conduction and AF. Prolonged PWD may be an endophenotype for several different genetic mechanisms of AF.

中文翻译:


心电图 P 波持续时间的遗传决定因素及其与心房颤动的关系。



背景:P 波持续时间 (PWD) 是一种心电图测量,代表心房的心脏传导。 PWD 缩短或延长与心房颤动 (AF) 相关。我们使用外显子组芯片数据来检查常见和罕见变异与 PWD 之间的关联。方法:使用 15 项研究,包括 64 440 名个体(56 943 名欧洲人、5 681 名非洲人、1 186 名西班牙裔、630 名亚洲人)和约 230 000 个变异来检查关联12 导联 ECG 上具有最大 PWD。荟萃分析总结了常见变异的关联结果;基于基因的负担和序列核关联测试检查了低频变异-PWD 关联。此外,我们利用之前的 AF 全基因组关联研究检查了 PWD 基因座与 AF 之间的关联。结果:我们鉴定了 21 个与最大 PWD 相关的常见和低频遗传位点(14 个新基因位点),包括几个 AF 基因座( TTNCAND2SCN10APITX2CAV1SYNPO2LSOX5TBX5、MYH6、RPL3L )。已知肌节基因( TTN、MYH6 )的主要变异与更长的 PWD 和增加的 AF 风险相关。然而,其他基因座(例如PITX2SCN10A )的顶级变异与较长的 PWD 但较低的 AF 风险相关。结论:我们的结果强调了与 PWD 相关的多个新基因位点,并强调了心房传导和 AF 的共同机制。长时间的 PWD 可能是 AF 几种不同遗传机制的内表型。
更新日期:2020-10-20
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