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Compare and Contrast Meta Analysis (CCMA): A method for identification of pleiotropic loci in genome-wide association studies.
PLoS ONE 11:e0154872 (2016)
In recent years, genome-wide association studies (GWAS) have identified many loci that are shared among common disorders and this has raised interest in pleiotropy. For performing appropriate analysis, several methods have been proposed, e.g. conducting a look-up in external sources or exploiting GWAS results by meta-analysis based methods. We recently proposed the Compare & Contrast Meta-Analysis (CCMA) approach where significance thresholds were obtained by simulation. Here we present analytical formulae for the density and cumulative distribution function of the CCMA test statistic under the null hypothesis of no pleiotropy and no association, which, conveniently for practical reasons, turns out to be exponentially distributed. This allows researchers to apply the CCMA method without having to rely on simulations. Finally, we show that CCMA demonstrates power to detect disease-specific, agonistic and antagonistic loci comparable to the frequently used Subset-Based Meta-Analysis approach, while better controlling the type I error rate.
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3.057
1.034
3
3
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Psoriasis; Traits
Language
english
Publication Year
2016
HGF-reported in Year
2016
ISSN (print) / ISBN
1932-6203
Journal
PLoS ONE
Quellenangaben
Volume: 11,
Issue: 5,
Article Number: e0154872
Publisher
Public Library of Science (PLoS)
Publishing Place
Lawrence, Kan.
Reviewing status
Peer reviewed
Institute(s)
Institute of Epidemiology (EPI)
Institute of Genetic Epidemiology (IGE)
Institute of Genetic Epidemiology (IGE)
POF-Topic(s)
30202 - Environmental Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Research field(s)
Genetics and Epidemiology
PSP Element(s)
G-504091-004
G-504100-001
G-504100-001
PubMed ID
27149374
WOS ID
WOS:000375676800078
Erfassungsdatum
2016-05-09