Genetic Variation in TYMS in the One-Carbon Transfer Pathway Is Associated with Ovarian Carcinoma Types in the Ovarian Cancer Association Consortium

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Genetic Variation in TYMS in the One-Carbon Transfer Pathway Is Associated with Ovarian Carcinoma Types in the Ovarian Cancer Association Consortium

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Title: Genetic Variation in TYMS in the One-Carbon Transfer Pathway Is Associated with Ovarian Carcinoma Types in the Ovarian Cancer Association Consortium
Author: Kelemen, L. E.; Goodman, M. T.; McGuire, V.; Rossing, M. A.; Webb, P. M.; Kobel, M.; Anton-Culver, H.; Beesley, J.; Berchuck, A.; Brar, S.; Carney, M. E.; Chang-Claude, J.; Chenevix-Trench, G.; Cramer, Daniel William; Cunningham, J. M.; DiCioccio, R. A.; Doherty, J. A.; Easton, D. F.; Fredericksen, Z. S.; Fridley, B. L.; Gates, M. A.; Gayther, S. A.; Gentry-Maharaj, A.; Hogdall, E.; Kjaer, S. K.; Lurie, G.; Menon, U.; Moorman, P. G.; Moysich, K.; Ness, R. B.; Palmieri, R. T.; Pearce, C. L.; Pharoah, P. D. P.; Ramus, S. J.; Song, H.; Stram, D. O.; Tworoger, Shelley Slate; Van Den Berg, D.; Vierkant, R. A.; Wang-Gohrke, S.; Whittemore, A. S.; Wilkens, L. R.; Wu, A. H.; Schildkraut, J. M.; Sellers, T. A.; Goode, E. L.

Note: Order does not necessarily reflect citation order of authors.

Citation: Kelemen, L. E., M. T. Goodman, V. McGuire, M. A. Rossing, P. M. Webb, M. Kobel, H. Anton-Culver, et al. 2010. “Genetic Variation in TYMS in the One-Carbon Transfer Pathway Is Associated with Ovarian Carcinoma Types in the Ovarian Cancer Association Consortium.” Cancer Epidemiology Biomarkers & Prevention 19 (7) (June 22): 1822–1830. doi:10.1158/1055-9965.epi-09-1317.
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Abstract: Background

We previously reported risks of ovarian carcinoma for common polymorphisms in one-carbon (1-C) 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 utilize the large sample of assembled cases to investigate associations by histological 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 histopathological classification.

Impact

Biomarkers that distinguish ovarian carcinoma types are few, and TYMS rs495139 may provide a novel clue to type etiology. Additional genotyping in a larger sample with increased gene coverage is underway.
Published Version: doi:10.1158/1055-9965.EPI-09-1317
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3013232/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27336918
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