| pubmed-article:17449906 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C0012155 | lld:lifeskim |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C0007102 | lld:lifeskim |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C1280500 | lld:lifeskim |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C0032529 | lld:lifeskim |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C0004083 | lld:lifeskim |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C1158831 | lld:lifeskim |
| pubmed-article:17449906 | lifeskim:mentions | umls-concept:C1511540 | lld:lifeskim |
| pubmed-article:17449906 | pubmed:issue | 8 | lld:pubmed |
| pubmed-article:17449906 | pubmed:dateCreated | 2007-8-20 | lld:pubmed |
| pubmed-article:17449906 | pubmed:abstractText | This study investigated associations between CpG island methylator phenotype (CIMP) colon cancer and genetic polymorphisms relevant to one-carbon metabolism and thus, potentially the provision of methyl groups and risk of colon cancer. Data from a large, population-based case-control study (916 incident colon cancer cases and 1,972 matched controls) were used. Candidate polymorphisms in methylenetetrahydrofolate reductase (MTHFR), thymidylate synthase (TS), transcobalamin II (TCNII), methionine synthase (MTR), reduced folate carrier (RFC), methylenetetrahydrofolate dehydrogenase 1 (MTHFD1), dihydrofolate reductase (DHFR) and alcohol dehydrogenase 3 (ADH3) were evaluated. CIMP- or CIMP+ phenotype was based on five CpG island markers: MINT1, MINT2, MINT31, p16 and MLH1. The influence of specific dietary factors (folate, methionine, vitamin B(12) and alcohol) on these associations was also analyzed. We hypothesized that polymorphisms involved in the provision of methyl groups would be associated with CIMP+ tumors (two or more of five markers methylated), potentially modified by diet. Few associations specific to CIMP+ tumors were observed overall, which does not support the hypothesis that the provision of methyl groups is important in defining a methylator phenotype. However, our data suggest that genetic polymorphisms in MTHFR 1,298A > C, interacting with diet, may be involved in the development of highly CpG-methylated colon cancers. AC and CC genotypes in conjunction with a high-risk dietary pattern (low folate and methionine intake and high alcohol use) were associated with CIMP+ (OR = 2.1, 95% CI = 1.3-3.4 versus AA/high risk; P-interaction = 0.03). These results provide only limited support for a role of polymorphisms in one-carbon metabolism in the etiology of CIMP colon cancer. | lld:pubmed |
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| pubmed-article:17449906 | pubmed:language | eng | lld:pubmed |
| pubmed-article:17449906 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:17449906 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:17449906 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:17449906 | pubmed:month | Aug | lld:pubmed |
| pubmed-article:17449906 | pubmed:issn | 0143-3334 | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:UlrichCorneli... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:PotterJohn... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:SlatteryMarth... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:CurtinKarenK | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:LevinTheodore... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:SamowitzWade... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:BiglerJeannet... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:AlbertsenHans... | lld:pubmed |
| pubmed-article:17449906 | pubmed:author | pubmed-author:WolffRoger... | lld:pubmed |
| pubmed-article:17449906 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:17449906 | pubmed:volume | 28 | lld:pubmed |
| pubmed-article:17449906 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:17449906 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:17449906 | pubmed:pagination | 1672-9 | lld:pubmed |
| pubmed-article:17449906 | pubmed:dateRevised | 2010-8-9 | lld:pubmed |
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