Genome-Wide Association Scan Meta-Analysis Identifies Three Loci Influencing Adiposity and Fat Distribution
Name
Lindgren-2009-Genome-Wide Association Scan Meta-Analysis Identifies Three Loci Influencing Adiposity and Fat Distribution.pdf
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Author(s)
Hunter, David J.
Peltonen, Leena
Guiducci, Candace
Crawford, Gabriel
Hirschhorn, Joel N.
Lyon, Helen N.
Speliotes, Elizabeth K.
Date Issued
June 2009
Journal
PLoS Genetics
Publisher
Public Library of Science
Citation
Lindgren, Cecilia M. et al. “Genome-Wide Association Scan Meta-Analysis Identifies Three Loci Influencing Adiposity and Fat Distribution.” PLoS Genet 5.6 (2009): e1000508.
Version
Final published version
Abstract
To identify genetic loci influencing central obesity and fat distribution, we performed a meta-analysis of 16 genome-wide association studies (GWAS, N = 38,580) informative for adult waist circumference (WC) and waist–hip ratio (WHR). We selected 26 SNPs for follow-up, for which the evidence of association with measures of central adiposity (WC and/or WHR) was strong and disproportionate to that for overall adiposity or height. Follow-up studies in a maximum of 70,689 individuals identified two loci strongly associated with measures of central adiposity; these map near TFAP2B (WC, P = 1.9×10[superscript −11]) and MSRA (WC, P = 8.9×10[superscript −9]). A third locus, near LYPLAL1, was associated with WHR in women only (P = 2.6×10[superscript −8]). The variants near TFAP2B appear to influence central adiposity through an effect on overall obesity/fat-mass, whereas LYPLAL1 displays a strong female-only association with fat distribution. By focusing on anthropometric measures of central obesity and fat distribution, we have identified three loci implicated in the regulation of human adiposity.
MIT Department
Broad Institute of MIT and Harvard
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DOI of Published Version
http://dx.doi.org/10.1371/journal.pgen.1000508
