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Exome-derived adiponectin-associated variants implicate obesity and lipid biology.
Am. J. Hum. Genet. 105, 15-28 (2019)
Circulating levels of adiponectin, an adipocyte-secreted protein associated with cardiovascular and metabolic risk, are highly heritable. To gain insights into the biology that regulates adiponectin levels, we performed an exome array meta-analysis of 265,780 genetic variants in 67,739 individuals of European, Hispanic, African American, and East Asian ancestry. We identified 20 loci associated with adiponectin, including 11 that had been reported previously (p < 2 x 10(-7)). Comparison of exome array variants to regional linkage disequilibrium (LD) patterns and prior genome-wide association study (GWAS) results detected candidate variants (r(2) > .60) spanning as much as 900 kb. To identify potential genes and mechanisms through which the previously unreported association signals act to affect adiponectin levels, we assessed cross-trait associations, expression quantitative trait loci in subcutaneous adipose, and biological pathways of nearby genes. Eight of the nine loci were also associated (p < 1 x 10(-4)) with at least one obesity or lipid trait. Candidate genes include PRKAR2A, PTH1R, and HDAC9, which have been suggested to play roles in adipocyte differentiation or bone marrow adipose tissue. Taken together, these findings provide further insights into the processes that influence circulating adiponectin levels.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Adiponectin ; Cardio Metabolic Traits ; Exome ; Genetics ; Genome-wide Association Study ; Lipids ; Obesity; Genome-wide Association; Adipose-tissue; Plasma Adiponectin; Circulating Adiponectin; Glycemic Traits; Candidate Genes; Rare; Disease; Metaanalysis; Expression
Language
english
Publication Year
2019
HGF-reported in Year
2019
ISSN (print) / ISBN
0002-9297
e-ISSN
1537-6605
Quellenangaben
Volume: 105,
Issue: 1,
Pages: 15-28
Publisher
Elsevier
Publishing Place
New York, NY
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
90000 - German Center for Diabetes Research
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
90000 - German Center for Diabetes Research
Research field(s)
Genetics and Epidemiology
PSP Element(s)
G-504091-002
G-504100-001
G-501900-402
G-504100-001
G-501900-402
WOS ID
WOS:000473723000003
PubMed ID
31178129
Erfassungsdatum
2019-06-13