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pubmed:abstractText |
Methylenetetrahydrofolate reductase (MTHFR) plays a critical role in folate metabolism, which is an important pathway of the methyl donor for DNA methylation. The MTHFR gene has genetic variants (C667T and A1298C), which cause reduced enzyme activity. Impaired folate metabolism by these genetic variants of MTHFR could change the methylation pattern of DNA including promoter hypermethylation, which has been frequently observed in cancer. In this study, we compared the MTHFR genotypes and haplotype to the features of colorectal cancer focusing on the promoter methylation of tumor DNA.
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