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Quality control and conduct of genome-wide association meta-analyses
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2014 (English)In: Nature Protocols, ISSN 1754-2189, E-ISSN 1750-2799, Vol. 9, no 5, 1192-1212 p.Article in journal (Refereed) Published
Abstract [en]

Rigorous organization and quality control (QC) are necessary to facilitate successful genome-wide association meta-analyses (GWAMAs) of statistics aggregated across multiple genome-wide association studies. This protocol provides guidelines for (i) organizational aspects of GWAMAs, and for (ii) QC at the study file level, the meta- level across studies and the meta-analysis output level. Real-world examples highlight issues experienced and solutions developed by the GIANT Consortium that has conducted meta-analyses including data from 125 studies comprising more than 330,000 individuals. We provide a general protocol for conducting GWAMAs and carrying out QC to minimize errors and to guarantee maximum use of the data. We also include details for the use of a powerful and flexible software package called EasyQC. Precise timings will be greatly influenced by consortium size. For consortia of comparable size to the GIANT Consortium, this protocol takes a minimum of about 10 months to complete.

Place, publisher, year, edition, pages
2014. Vol. 9, no 5, 1192-1212 p.
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Medical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)
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URN: urn:nbn:se:uu:diva-225006DOI: 10.1038/nprot.2014.071ISI: 000335014500015OAI: oai:DiVA.org:uu-225006DiVA: diva2:719653
Available from: 2014-05-26 Created: 2014-05-26 Last updated: 2017-12-05Bibliographically approved

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Fall, ToveGustafsson, Stefan

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