Genetic variation in TYMS in the one-carbon transfer pathway is associated with ovarian carcinoma types in the Ovarian Cancer Association Consortium

Linda E. Kelemen, Marc T. Goodman, Valerie McGuire, Mary Anne Rossing, Penelope M. Webb, Martin Köbel, Hoda Anton-Culver, Jonathan Beesley, Andrew Berchuck, Sony Brar, Michael E. Carney, Jenny Chang-Claude, Georgia Chenevix-Trench, Daniel W. Cramer, Julie M. Cunningham, Richard A. DiCioccio, Jennifer A. Doherty, Douglas F. Easton, Zachary S. Fredericksen, Brooke L. FridleyMargaret A. Gates, Simon A. Gayther, Aleksandra Gentry-Maharaj, Estrid Høgdall, Susanne Krüger Kjær, Galina Lurie, Usha Menon, Patricia G. Moorman, Kirsten Moysich, Roberta B. Ness, Rachel T. Palmieri, Celeste L. Pearce, Paul D.P. Pharoah, Susan J. Ramus, Honglin Song, Daniel O. Stram, Shelley S. Tworoger, David Van Den Berg, Robert A. Vierkant, Shan Wang-Gohrke, Alice S. Whittemore, Lynne R. Wilkens, Anna H. Wu, Joellen M. Schildkraut, Thomas A. Sellers, Ellen L. Goode

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


Background: We previously reported the risks of ovarian carcinoma for common polymorphisms in one-carbon transfer genes. We sought to replicate associations for DPYD rs1801265, DNMT3A rs13420827, MTHFD1 rs1950902, MTHFS rs17284990, and TYMS rs495139 with risk of ovarian carcinoma overall and to use the large sample of assembled cases to investigate associations by histologic type. Methods: Associations were evaluated in the Ovarian Cancer Association Consortium, including 16 studies of 5,593 epithelial ovarian carcinoma cases and 9,962 controls of white non-Hispanic origin. Odds ratios (OR) and 95% confidence intervals (CI) were adjusted for age and study site. Results: The five polymorphisms were not associated with ovarian carcinoma overall (P trend > 0.13); however, associations for the minor allele at TYMS rs495139 were observed for carcinomas of mucinous type (OR, 1.19; 95% CI, 1.03-1.39; P = 0.02), clear cell type (OR, 0.86; 95% CI, 0.75-0.99; P = 0.04), and endometrioid type (OR, 0.90; 95% CI, 0.81-0.99; P = 0.04; P heterogeneity = 0.001). Restriction to low-grade mucinous carcinomas further strengthened the association for the mucinous type (OR, 1.32; 95% CI, 1.07-1.62; P = 0.01). TYMS rs495139 was not associated with serous type (OR, 1.06; 95% CI, 1.00-1.13; P = 0.05). Conclusions: TYMS rs495139 may be associated with a differential risk of ovarian carcinoma types, indicating the importance of accurate histopathologic classification. Impact: Biomarkers that distinguish ovarian carcinoma types are few, and TYMS rs495139 may provide a novel clue to type etiology.

Original languageEnglish (US)
Pages (from-to)1822-1830
Number of pages9
JournalCancer Epidemiology Biomarkers and Prevention
Issue number7
StatePublished - Jul 2010

ASJC Scopus subject areas

  • Epidemiology
  • Oncology


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