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Common Genetic Variation Near the Phospholamban Gene Is Associated with Cardiac Repolarisation: Meta-Analysis of Three Genome-Wide Association Studies.

Nolte, IM; Wallace, C; Newhouse, SJ; Waggott, D; Fu, J; Soranzo, N; Gwilliam, R; Deloukas, P; Savelieva, I; Zheng, D; et al. Nolte, IM; Wallace, C; Newhouse, SJ; Waggott, D; Fu, J; Soranzo, N; Gwilliam, R; Deloukas, P; Savelieva, I; Zheng, D; Dalageorgou, C; Farrall, M; Samani, NJ; Connell, J; Brown, M; Dominiczak, A; Lathrop, M; Zeggini, E; Wain, LV; Wellcome Trust Case Control Consortium; DCCT/EDIC Research Group; Newton-Cheh, C; Eijgelsheim, M; Rice, K; de Bakker, PI; QTGEN consortium; Pfeufer, A; Sanna, S; Arking, DE; QTSCD consortium; Asselbergs, FW; Spector, TD; Carter, ND; Jeffery, S; Tobin, M; Caulfield, M; Snieder, H; Paterson, AD; Munroe, PB; Jamshidi, Y (2009) Common Genetic Variation Near the Phospholamban Gene Is Associated with Cardiac Repolarisation: Meta-Analysis of Three Genome-Wide Association Studies. PLOS ONE, 4 (7). e6138. ISSN 1932-6203 https://doi.org/10.1371/journal.pone.0006138
SGUL Authors: Jamshidi, Yalda

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Abstract

To identify loci affecting the electrocardiographic QT interval, a measure of cardiac repolarisation associated with risk of ventricular arrhythmias and sudden cardiac death, we conducted a meta-analysis of three genome-wide association studies (GWAS) including 3,558 subjects from the TwinsUK and BRIGHT cohorts in the UK and the DCCT/EDIC cohort from North America. Five loci were significantly associated with QT interval at P<1x10(-6). To validate these findings we performed an in silico comparison with data from two QT consortia: QTSCD (n = 15,842) and QTGEN (n = 13,685). Analysis confirmed the association between common variants near NOS1AP (P = 1.4x10(-83)) and the phospholamban (PLN) gene (P = 1.9x10(-29)). The most associated SNP near NOS1AP (rs12143842) explains 0.82% variance; the SNP near PLN (rs11153730) explains 0.74% variance of QT interval duration. We found no evidence for interaction between these two SNPs (P = 0.99). PLN is a key regulator of cardiac diastolic function and is involved in regulating intracellular calcium cycling, it has only recently been identified as a susceptibility locus for QT interval. These data offer further mechanistic insights into genetic influence on the QT interval which may predispose to life threatening arrhythmias and sudden cardiac death.

Item Type: Article
Additional Information: PubMed ID: 19587794 ©2009 Nolte et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Keywords: Calcium-Binding Proteins, Chromosomes, Human, Pair 6, Cohort Studies, Genetic Variation, Genome-Wide Association Study, Heart, Humans, Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics
SGUL Research Institute / Research Centre: Academic Structure > Molecular and Clinical Sciences Research Institute (MCS)
Academic Structure > Molecular and Clinical Sciences Research Institute (MCS) > Cell Sciences (INCCCS)
Journal or Publication Title: PLOS ONE
ISSN: 1932-6203
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Dates:
DateEvent
9 July 2009Published
Web of Science ID: WOS:000268035100001
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URI: http://openaccess.sgul.ac.uk/id/eprint/120
Publisher's version: https://doi.org/10.1371/journal.pone.0006138

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