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Cancer Lett. 2007 May 18;250(1):146-53. Epub 2006 Nov 17.

Dietary intake of B-vitamins, polymorphisms in thymidylate synthase and serine hydroxymethyltransferase 1, and colorectal adenoma risk: a Dutch case-control study.

Author information

1
Division of Human Nutrition, Wageningen University, P.O. Box 8129, NL-6700 EV Wageningen, The Netherlands.

Abstract

Thymidylate synthase and serine hydroxymethyltransferase are involved in folate metabolism. In a case-control study, including 768 cases and 709 controls, we investigated the associations between colorectal adenomas and TS tandem repeat and SHMT1 C1420T polymorphisms, and the interplay with B-vitamins. The polymorphisms were not associated with adenomas, but there was a borderline significant interaction between TS genotype and vitamin B6: the association between vitamin B6 and adenomas seemed positive in TS 3R/3R individuals, but inverse in TS 2R/2R individuals. This study does not provide evidence for a role of SHMT1 genotype in adenoma occurrence. Future research has to indicate whether the TS-B6 interplay is a real effect or a chance finding.

PMID:
17113224
DOI:
10.1016/j.canlet.2006.10.002
[Indexed for MEDLINE]

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