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A multi-layer functional genomic analysis to understand noncoding genetic variation in lipids.
Am. J. Hum. Genet. 109, 1366-1387 (2022)
A major challenge of genome-wide association studies (GWASs) is to translate phenotypic associations into biological insights. Here, we integrate a large GWAS on blood lipids involving 1.6 million individuals from five ancestries with a wide array of functional genomic datasets to discover regulatory mechanisms underlying lipid associations. We first prioritize lipid-associated genes with expression quantitative trait locus (eQTL) colocalizations and then add chromatin interaction data to narrow the search for functional genes. Polygenic enrichment analysis across 697 annotations from a host of tissues and cell types confirms the central role of the liver in lipid levels and highlights the selective enrichment of adipose-specific chromatin marks in high-density lipoprotein cholesterol and triglycerides. Overlapping transcription factor (TF) binding sites with lipid-associated loci identifies TFs relevant in lipid biology. In addition, we present an integrative framework to prioritize causal variants at GWAS loci, producing a comprehensive list of candidate causal genes and variants with multiple layers of functional evidence. We highlight two of the prioritized genes, CREBRF and RRBP1, which show convergent evidence across functional datasets supporting their roles in lipid biology.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Scopus
Cited By
Altmetric
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Typ der Hochschulschrift
Herausgeber
Schlagwörter
Complex Traits ; Fine-mapping ; Functional Genomics ; Lipid Biology ; Post-gwas ; Regulatory Mechanism ; Variant Prioritization
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2022
Prepublished im Jahr
0
HGF-Berichtsjahr
2022
ISSN (print) / ISBN
0002-9297
e-ISSN
1537-6605
ISBN
Bandtitel
Konferenztitel
Konferzenzdatum
Konferenzort
Konferenzband
Quellenangaben
Band: 109,
Heft: 8,
Seiten: 1366-1387
Artikelnummer: ,
Supplement: ,
Reihe
Verlag
Elsevier
Verlagsort
New York, NY
Tag d. mündl. Prüfung
0000-00-00
Betreuer
Gutachter
Prüfer
Topic
Hochschule
Hochschulort
Fakultät
Veröffentlichungsdatum
0000-00-00
Anmeldedatum
0000-00-00
Anmelder/Inhaber
weitere Inhaber
Anmeldeland
Priorität
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Epidemiology (EPI)
Institute of Translational Genomics (ITG)
POF Topic(s)
30202 - Environmental Health
30205 - Bioengineering and Digital Health
Forschungsfeld(er)
Genetics and Epidemiology
PSP-Element(e)
G-504091-004
G-506700-001
G-504000-010
Förderungen
Medical Research Council
NHGRI NIH HHS
NHLBI NIH HHS
NCI NIH HHS
NIGMS NIH HHS
BLRD VA
Copyright
Erfassungsdatum
2022-11-09