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Identification of a sudden cardiac death susceptibility locus at 2q24.2 through genome-wide association in European ancestry individuals.


ABSTRACT: Sudden cardiac death (SCD) continues to be one of the leading causes of mortality worldwide, with an annual incidence estimated at 250,000-300,000 in the United States and with the vast majority occurring in the setting of coronary disease. We performed a genome-wide association meta-analysis in 1,283 SCD cases and >20,000 control individuals of European ancestry from 5 studies, with follow-up genotyping in up to 3,119 SCD cases and 11,146 controls from 11 European ancestry studies, and identify the BAZ2B locus as associated with SCD (P?=?1.8×10(-10)). The risk allele, while ancestral, has a frequency of ~1.4%, suggesting strong negative selection and increases risk for SCD by 1.92-fold per allele (95% CI 1.57-2.34). We also tested the role of 49 SNPs previously implicated in modulating electrocardiographic traits (QRS, QT, and RR intervals). Consistent with epidemiological studies showing increased risk of SCD with prolonged QRS/QT intervals, the interval-prolonging alleles are in aggregate associated with increased risk for SCD (P?=?0.006).

SUBMITTER: Arking DE 

PROVIDER: S-EPMC3128111 | biostudies-literature | 2011 Jun

REPOSITORIES: biostudies-literature

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Identification of a sudden cardiac death susceptibility locus at 2q24.2 through genome-wide association in European ancestry individuals.

Arking Dan E DE   Junttila M Juhani MJ   Goyette Philippe P   Huertas-Vazquez Adriana A   Eijgelsheim Mark M   Blom Marieke T MT   Newton-Cheh Christopher C   Reinier Kyndaron K   Teodorescu Carmen C   Uy-Evanado Audrey A   Carter-Monroe Naima N   Kaikkonen Kari S KS   Kortelainen Marja-Leena ML   Boucher Gabrielle G   Lagacé Caroline C   Moes Anna A   Zhao XiaoQing X   Kolodgie Frank F   Rivadeneira Fernando F   Hofman Albert A   Witteman Jacqueline C M JC   Uitterlinden André G AG   Marsman Roos F RF   Pazoki Raha R   Bardai Abdennasser A   Koster Rudolph W RW   Dehghan Abbas A   Hwang Shih-Jen SJ   Bhatnagar Pallav P   Post Wendy W   Hilton Gina G   Prineas Ronald J RJ   Li Man M   Köttgen Anna A   Ehret Georg G   Boerwinkle Eric E   Coresh Josef J   Kao W H Linda WH   Psaty Bruce M BM   Tomaselli Gordon F GF   Sotoodehnia Nona N   Siscovick David S DS   Burke Greg L GL   Marbán Eduardo E   Spooner Peter M PM   Cupples L Adrienne LA   Jui Jonathan J   Gunson Karen K   Kesäniemi Y Antero YA   Wilde Arthur A M AA   Tardif Jean-Claude JC   O'Donnell Christopher J CJ   Bezzina Connie R CR   Virmani Renu R   Stricker Bruno H C H BH   Tan Hanno L HL   Albert Christine M CM   Chakravarti Aravinda A   Rioux John D JD   Huikuri Heikki V HV   Chugh Sumeet S SS  

PLoS genetics 20110630 6


Sudden cardiac death (SCD) continues to be one of the leading causes of mortality worldwide, with an annual incidence estimated at 250,000-300,000 in the United States and with the vast majority occurring in the setting of coronary disease. We performed a genome-wide association meta-analysis in 1,283 SCD cases and >20,000 control individuals of European ancestry from 5 studies, with follow-up genotyping in up to 3,119 SCD cases and 11,146 controls from 11 European ancestry studies, and identify  ...[more]

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