Article
Polymorphisms in methionine synthase (A2756G) and cystathionine beta-synthase (844ins68) and susceptibility to carcinomas of the upper gastrointestinal tract.
Journal of cancer research and clinical oncology - 1 Mar 2008
Ott N, Geddert H, Sarbia M
Abstract excerpt
PURPOSE: Folate deficiency is considered to increase the risk for the development of malignant tumors such as prostate and colorectal cancer. Methionine synthase (MTR) and cystathionine ss-synthase (CBS) are enzymes that play a central role in folate metabolism, thereby affecting DNA methylation and synthesis. A single A-->G substitution at nucleotide 2756 of the MTR and a 68 bp CBS insertion polymorphism in exon...
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