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01.08.2007 | Original Paper

Methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms and the risk of primary Hepatocellular Carcinoma (HCC) in a Chinese population

verfasst von: Li-Na Mu, Wei Cao, Zuo-Feng Zhang, Lin Cai, Qing-Wu Jiang, Nai-Chieh You, Binh Yang Goldstein, Guo-Rong Wei, Chuan-Wei Chen, Qing-Yi Lu, Xue-Fu Zhou, Bao-Guo Ding, Jun Chang, Shun-Zhang Yu

Erschienen in: Cancer Causes & Control | Ausgabe 6/2007

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Abstract

Objectives

Methylenetetrahydrofolate reductase (MTHFR), which is expressed in the liver, may be involved in both DNA methylation and DNA synthesis. It is also indicated as a potential risk factor of liver cancer in patients with chronic liver disease. To date, no study has been conducted on MTHFR and hepatocellular carcinoma (HCC) using a population-based design. The objective of this study was to evaluate the effects of polymorphisms of the MTHFR gene on the risk of primary liver cancer and their possible effect modifications on various environmental risk factors.

Methods

A population-based case–control study was conducted in Taixing, China. MTHFR C677T and A1298C were assayed by PCR-RFLP techniques.

Results

The frequency of MTHFR 677 C/C wild homozygotes genotype was 25.8% in cases, which was lower than that in controls (34.5%). The adjusted odds ratios (ORs) for the MTHFR 677 C/T and T/T genotype were 1.66(95% CI: 1.06–2.61), 1.21(95% CI: 0.65–2.28) respectively when compared with the MTHFR 677 C/C genotype. Subjects carrying any T genotype have the increased risk of 1.55(95% CI: 1.01–2.40) for development of primary hepatocellular carcinoma. A high degree of linkage disequilibrium was observed between the C677T and A1298C polymorphisms, with the D′ of 0.887 and p < 0.01. The MTHFR 677 any T genotype was suggested to have potentially more than multiplicative interactions with raw water drinking with p-value for adjusted interaction of 0.03.

Conclusion

We observed that the MTHFR 677 C/T genotype was associated with an increased risk of primary liver cancer in a Chinese population. The polymorphism of MTHFR 677 might modify the effects of raw water drinking on the risk of primary hepatocellular carcinoma.

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Titel: Methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms and the risk of primary Hepatocellular Carcinoma (HCC) in a Chinese population
verfasst von: Li-Na Mu
Wei Cao
Zuo-Feng Zhang
Lin Cai
Qing-Wu Jiang
Nai-Chieh You
Binh Yang Goldstein
Guo-Rong Wei
Chuan-Wei Chen
Qing-Yi Lu
Xue-Fu Zhou
Bao-Guo Ding
Jun Chang
Shun-Zhang Yu
Publikationsdatum: 01.08.2007
Verlag: Kluwer Academic Publishers
Erschienen in: Cancer Causes & Control / Ausgabe 6/2007
Print ISSN: 0957-5243
Elektronische ISSN: 1573-7225
DOI: https://doi.org/10.1007/s10552-007-9012-x

Springer Medizin

Methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms and the risk of primary Hepatocellular Carcinoma (HCC) in a Chinese population