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Integrated genome-wide analysis of expression quantitative trait loci aids interpretation of genomic association studies.


ABSTRACT: BACKGROUND:Identification of single nucleotide polymorphisms (SNPs) associated with gene expression levels, known as expression quantitative trait loci (eQTLs), may improve understanding of the functional role of phenotype-associated SNPs in genome-wide association studies (GWAS). The small sample sizes of some previous eQTL studies have limited their statistical power. We conducted an eQTL investigation of microarray-based gene and exon expression levels in whole blood in a cohort of 5257 individuals, exceeding the single cohort size of previous studies by more than a factor of 2. RESULTS:We detected over 19,000 independent lead cis-eQTLs and over 6000 independent lead trans-eQTLs, targeting over 10,000 gene targets (eGenes), with a false discovery rate (FDR)?

SUBMITTER: Joehanes R 

PROVIDER: S-EPMC5264466 | BioStudies | 2017-01-01

REPOSITORIES: biostudies

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