A polymorphism in the GALNT2 gene and ovarian cancer risk in four population based case-control studies

Kathryn L. Terry, Allison F. Vitonis, Dena Hernandez, Galina Lurie, Honglin Song, Susan J. Ramus, Linda Titus-Ernstoff, Michael E. Carney, Lynne R. Wilkens, Aleksandra Gentry-Maharaj, Usha Menon, Simon A. Gayther, Paul D. Pharaoh, Marc T. Goodman, Daniel W. Cramer, Michael J. Birrer

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Recent epidemiologic evidence supports a role for MUC1 in ovarian carcinogenesis; therefore, we hypothesized that common genetic variation in the genes responsible for glycosylation of MUC1 may influence ovarian cancer risk. In a genome-wide association study of ovarian cancer, we observed an association between a non-synonymous SNP (rs2271077) in the UDP-N-acetyl-alpha-d-galactosamine: polypeptide N-acetylgalactosainyltransferase 2 (GALNT2) gene and ovarian cancer risk (p=0.005). We sought to validate the association in four population based ovarian cancer case-control studies collaborating through the Ovarian Cancer Association Consortium. Although rs2271077 was associated with a significantly increased risk (Odds Ratio (OR) = 1.37, 95% Confidence Interval (CI) =1.06-1.77) in one study with 961 cases and 922 controls, we observed no association in the remaining three studies including 1452 cases and 1954 controls (OR=0.83, 95% CI= 0.66-1.04). Therefore, there appears to be no strong evidence of association between GALNT2 SNP rs2271077 and ovarian cancer risk.

Original languageEnglish (US)
Pages (from-to)272-277
Number of pages6
JournalInternational Journal of Molecular Epidemiology and Genetics
Volume1
Issue number4
StatePublished - 2010
Externally publishedYes

Keywords

  • MUC1
  • Ovarian cancer
  • Polymorphism

ASJC Scopus subject areas

  • Epidemiology
  • Genetics
  • Genetics(clinical)

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