Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE In conclusion, the present meta-analysis indicated that MTRR rs1801394, MTR rs1805087, and MTHFR rs1801133 polymorphisms could be used to identify individuals at high risk of developing BC. 31549463

2020

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Furthermore, it has been shown in patients with breast cancer a risk of presenting with an aggressive biophenotype about twice or three times higher in the presence of the C677T and A1298C polymorphisms, respectively. 31523170

2019

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The results indicated that, for Latinos, the C677T polymorphism is associated with a significant risk for developing breast cancer, whereas the A1289C polymorphism does not. 30877449

2019

dbSNP: rs397507444
rs397507444
0.100 GeneticVariation BEFREE Furthermore, it has been shown in patients with breast cancer a risk of presenting with an aggressive biophenotype about twice or three times higher in the presence of the C677T and A1298C polymorphisms, respectively. 31523170

2019

dbSNP: rs397507444
rs397507444
0.100 GeneticVariation BEFREE No association between the A1298C polymorphism and the risk to develop breast cancer was determined. 30877449

2019

dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE Evaluation of the two polymorphisms rs1801133 in MTHFR and rs10811661 in CDKN2A/B in breast cancer. 30362613

2018

dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE MTHFR rs1801133-TT genotype was associated with increased risk of BC (recessive model, OR: 2.49, 95% CI: 1.17-5.29, p = 0.017) but the association turned insignificant after Bonferroni correction. 29544444

2018

dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE The results of this meta-analysis suggest that MTHFR rs1801133 gene polymorphism may the therapeutic target for breast cancer. 27824246

2017

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE However, a meta-analysis of the 6 association studies carried out in Turkish populations with 707 patients and 880 controls showed a significant association between breast cancer and the MTHFR gene C677T polymorphism. 27614738

2016

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Our results indicated that MTHFR C677T is significantly associated with thyroid and breast cancer risks. 27173331

2016

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The MTHFR C677T genotype may be associated with BC chemotherapy response, and could be of great value in guiding individualized treatment for this disease. 27706773

2016

dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE In the present case-control study, we examined the association between methylenetetrahydrofolate reductase (MTHFR C677T, rs1801133) and methionine synthase (MTR A2756G, rs1805087) polymorphisms and risk for thyroid and breast cancer. 27173331

2016

dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE The aim of the current study was to analyze the association between the MTHFR gene C677T (Ala222Val, rs1801133) polymorphism and breast cancer. 27614738

2016

dbSNP: rs397507444
rs397507444
0.100 GeneticVariation BEFREE We investigated the relationship between two common MTHFR polymorphisms (C677T and A1298C) and breast cancer (BC) chemotherapy response. 27706773

2016

dbSNP: rs397507444
rs397507444
0.100 GeneticVariation BEFREE Our meta-analysis suggested that there is no significant association between MTHFR gene 1298A>C polymorphism and breast cancer susceptibility for overall population. 27568010

2016

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE This article suggests that methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism was significantly associated with breast cancer risk in Chinese population.The result is encouraging. 26537580

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The association between methylenetetrahydrofolate reductase 677C>T polymorphisms and breast cancer susceptibility: A meta-analysis based on Chinese Han population. 26323926

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The role of folate in BC is equivocal, association studies between the common MTHFR SNPs C677T and A1298C and BC risk are controversial. 25318348

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE 677 C>T substitution does not affect breast cancer risk in the Indo-European and Dravidian populations of India. 25803740

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Genetic polymorphism of MTHFR C677T may modulate the risk of breast cancer especially in the 41-60 year age group. 26163632

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE These results suggest that the 677TT genotype of the C677T polymorphism in the MTHFR gene is associated with BC susceptibility in the Mexican population. 25966173

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE In addition, individuals with the TT genotype of MTHFR 677C/T were associated with increased risk of breast cancer by logistic regression analysis; the adjusted odds ratio (95%CI) was 3.05 (1.17-8.87). 26662439

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The study aimed at evaluating the influence of MTHFR 677C>T and NQO1 609C>T polymorphisms in toxicity and response to chemotherapy in breast cancer patients. 26014925

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE In summary, this meta-analysis suggests that MTHFR C677T polymorphism is associated with increased breast cancer, gastric cancer, and hepatocellular cancer risk in Asians, is associated with increased gastric cancer, multiple myeloma, and NHL risk in Caucasians, is associated with decreased AALL risk in Caucasians, is associated with decreased CALL risk in Asians, is associated with increased breast cancer risk in Asians, is associated with decreased colon cancer risk, and is associated with decreased colorectal cancer risk in male population. 26081619

2015

dbSNP: rs1801133
rs1801133
0.100 GeneticVariation BEFREE We found significant association between the rs1801133 (A222V) genotypes and an increased risk of BC development: C/T (odds ratio [OR] = 1.8; 95 % confidence interval [CI] = 1.1-3.2; P = 0.039), T/T (OR = 2.9; 95 % CI = 1.2-7.2; P = 0.025), and C/T + T/T (OR = 1.9; 95 % CI = 1.1-3.3; P = 0.019). 25801246

2015