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Genome-wide association study identifies common variants associated with circulating vitamin E levels

  • Jacqueline M. Major
  • , Kai Yu
  • , William Wheeler
  • , Hong Zhang
  • , Marilyn C. Cornelis
  • , Margaret E. Wright
  • , Meredith Yeager
  • , Kirk Snyder
  • , Stephanie J. Weinstein
  • , Alison Mondul
  • , Heather Eliassen
  • , Mark Purdue
  • , Aditi Hazra
  • , Catherine A. McCarty
  • , Sara Hendrickson
  • , Jarmo Virtamo
  • , David Hunter
  • , Stephen Chanock
  • , Peter Kraft
  • , Demetrius Albanes

Research output: Contribution to journal › Article › peer-review

Abstract

In genome-wide association studies (GWAS) of common genetic variants associated with circulating alphaand gamma-tocopherol concentrations in two adult cohorts comprising 5006 men of European descent, we observed three loci associated with alpha-tocopherol levels, two novel single-nucleotide polymorphisms (SNPs), rs2108622 on 19pter-p13.11 (P = 1.7 × 10 -8) and rs11057830 on 12q24.31 (P = 2.0 × 10 -8) and confirmed a previously reported locus marked by rs964184 on 11q23.3 (P = 2.7 × 10 -10). The three SNPs have been reported to be associated with lipid metabolism and/or regulation. We replicated these findings in a combined meta-analysis with two independent samples, P = 7.8 × 10 -12 (rs964184 on 11q23.3 near BUD13, ZNF259 and APOA1/C3/A4/A5), P = 1.4 × 10 -10 (rs2108622 on 19pter-p13.11 near CYP4F2) and P = 8.2 × 10 -9 (rs11057830 on 12q24.31 near SCARB1). Combined, these SNPs explain 1.7% of the residual variance in log alpha-tocopherol levels. In one of the two male GWAS cohorts (n = 992), no SNPs were significantly associated with gamma-tocopherol concentrations after including data from the replication sample for 71 independent SNPs with P < 1 × 10 -4 identified. Published by Oxford University Press 2011.

Original languageEnglish (US)
Article numberddr296
Pages (from-to)3876-3883
Number of pages8
JournalHuman molecular genetics
Volume20
Issue number19
DOIs
StatePublished - Oct 2011
Externally publishedYes

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

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