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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lu, Qing Jiang, Ke Li, Qiong Ji, Ya-Jie Chen, Wei-Li Xue, Xiao-Hong |
| Spatial Coverage | China |
| Description | Country affiliation: China Author Affiliation: Lu Q ( Department of Breast Surgery, Yueyang Hospital of Integrated Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No.110, Ganhe Road, Shanghai, 200437, China.) |
| Abstract | Breast cancer is the most common cancer affecting women in China and the world. Folate supplementation is proven to be effective in reducing the risk of breast cancer or improving its prognosis. Methylenetetrahydrofolate reductase (MTHFR) is an important enzyme involved in folate metabolism and DNA synthesis. This study aims to examine whether single nucleotide polymorphisms (SNP) in the MTHFR gene are associated with risk and survival of breast cancer and serum folate levels in healthy controls. We genotyped nine tagging SNPs in the MTHFR gene in a case-control study, including 560 breast cancer cases and 560 healthy controls in China. We found that TT genotype of rs1801133 had significant increased risk of breast cancer [adjusted odds ratio (OR) = 1.60, 95 % confidence interval (CI) 1.12-2.28] compared with CC genotype, and CC genotype of rs9651118 conferred significant reduced risk of breast cancer (adjusted OR = 0.65, 95 % CI 0.45-0.95) compared to TT genotype. Haplotype analysis also showed that MTHFR CACCAA and AGTCAC haplotypes (rs12121543-rs13306553-rs9651118-rs1801133-rs4846048-rs1801131) had significant reduced risk of breast cancer (adjusted OR = 0.70, 95 % CI 0.58-0.86; adjusted OR = 0.57, 95 % CI 0.40-0.80) compared with CATTAA haplotype. Besides, MTHFR rs9651118 CC genotype was significantly associated with survival in breast cancer cases (adjusted hazard ratio (HR) = 0.63, 95 % CI 0.40-0.99). But none of the SNPs in the MTHFR gene was associated with serum folate level in healthy controls. These findings suggest that variants in the MTHFR gene may influence the risk and prognosis of breast cancer. |
| File Format | HTM / HTML |
| ISSN | 10104283 |
| Issue Number | 5 |
| Volume Number | 36 |
| e-ISSN | 14230380 |
| Journal | Tumor Biology |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2015-05-01 |
| Publisher Place | Netherlands |
| Access Restriction | Subscribed |
| Subject Keyword | Discipline Medicine__semicolon__oncology Breast Neoplasms Genetics Methylenetetrahydrofolate Reductase (nadph2) Prognosis Adult Aged Blood Pathology China Female Folic Acid Genetic Association Studies Genotype Haplotypes Humans Middle Aged Polymorphism, Single Nucleotide Risk Factors Survival Analysis Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Cancer Research |
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