|
Breast Carcinoma
|
|
0.080 |
GeneticVariation
|
BEFREE |
We investigated the association of polymorphisms in MTHFR (rs1801133 and rs1801131) and MTR (rs1805087) with breast cancer risk and their interaction with alcohol consumption in a case-control study--the Western New York Exposures and Breast Cancer study.
|
19706843 |
2009 |
|
Breast Carcinoma
|
|
0.080 |
GeneticVariation
|
BEFREE |
In conclusion, this meta-analysis suggests that the MTHFR Glu429Ala polymorphism may be not associated with breast cancer development.
|
23393023 |
2013 |
|
Breast Carcinoma
|
|
0.080 |
GeneticVariation
|
BEFREE |
We examined if the association between tertiles of dietary folate equivalents (DFE) and breast cancer was different in subgroups according to genotypes of the MTHFR 677 C>T (rs1801133) and 1298A>C (rs1801131) SNPs and if the polymorphisms per se were associated with breast cancer.
|
19336565 |
2009 |
|
Carcinoma of lung
|
|
0.020 |
GeneticVariation
|
BEFREE |
A review was conducted of 136 patients treated with radiation therapy for lung cancer between 2001 and 2007, and who had prior genotyping of functional single-nucleotide polymorphisms in oxidative stress genes including superoxide dismutase 2 (SOD2; rs4880) and methylene tetrahydrofolate reductase (MTHFR; rs1801131, rs1801133).
|
22144047 |
2012 |
|
Carcinoma of lung
|
|
0.020 |
GeneticVariation
|
BEFREE |
Two well-known polymorphic variants of MTHFR, C677T (rs1801133) and A1298C (rs1801131), were analyzed in association with lung cancer susceptibility, and discussed their joint effects with individual habits on lung cancer risk.
|
20065319 |
2010 |
|
Carcinoma, Basal Cell
|
|
0.010 |
GeneticVariation
|
BEFREE |
The CT genotype in 677C/T MTHFR polymorphism and CC genotype in 1286A/C MTHFR polymorphism also significantly increased the risk of BCC development.
|
21732987 |
2011 |
|
Cardiovascular Diseases
|
|
0.010 |
GeneticVariation
|
BEFREE |
A total of nine gene variants/polymorphisms - F5 (Leiden - R5 06Q, rs6025), F2 (20210G > A, rs1799963), F13A1 (V34L, rs5985), MTHFR (677C > T - A222V, rs1801133), MTHFR (1298A > C - E429A, rs1801131), FGB (-455G > A -c.-463G > A; rs1800790), SERPINE1 (PAI14G/5G - rs1799889), ACE (ACE I/D, rs1799752), ITGB3 (GPIIIa L33P, rs5918) and the APOE E2/E3/E4 alleles (rs7412, rs429358) - were genotyped in 200 newly diagnosed ischemic stroke (IS) patients, 165 patients with ischemic coronary heart disease (CHD) and 159 controls with no cerebroor cardiovascular disease (non-CVD).
|
27629735 |
2016 |
|
Cerebral Palsy
|
|
0.010 |
GeneticVariation
|
BEFREE |
Subgroup analysis found statistically significant difference in allele and genotype frequencies between cases with both CP and MR (CP + MR) compared with both CP-only cases and controls at rs4846049, rs1476413 and rs1801131.
|
20962791 |
2011 |
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.030 |
GeneticVariation
|
BEFREE |
Multiple Cox regression analyses revealed an association of minimal residual disease (hazard ratio 7.3; P < .001) and methylenetetrahydrofolate reductase rs1801131 (hazard ratio 3.1; P = .015) with event-free survival in the ALL-BFM 2000 study population.
|
23652803 |
2013 |
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.030 |
GeneticVariation
|
BEFREE |
We also found a significantly interaction between the two SNPs, participants with rs1801133 - CT or TT and rs1801131 - AC or CC genotype have the lowest ALL risk, compared with participants with rs1801133 - CC and rs1801131 - AA genotype, OR (95% CI) was 0.32 (0.12-0.63).
|
27996344 |
2017 |
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.030 |
GeneticVariation
|
BEFREE |
To evaluate the effects of the genotypic polymorphisms in methylenetetrahydrofolate reductase (MTHFR) on childhood ALL risk in Taiwan, two well-known polymorphic genotypes of MTHFR, C677T (rs1801133) and A1298C (rs1801131), were analyzed to examine the extent of their associations with childhood ALL susceptibility and to discuss the MTHFR genotypic contribution to childhood ALL risk among different populations.
|
25793509 |
2015 |
|
Cognition Disorders
|
|
0.010 |
GeneticVariation
|
BEFREE |
We hypothesized that ADHD related cognitive deficit could be attributed to abnormalities in the folate cycle and explored functional single nucleotide polymorphisms in methylenetetrahydrofolate dehydrogenase (rs2236225), reduced folate carrier (rs1051266), and methylenetetrahydrofolate reductase (rs1801131 and rs1801133) in families with ADHD probands (N = 185) and ethnically matched controls (N = 216) recruited following the DSM-IV.
|
25079255 |
2014 |
|
Cognitive changes
|
|
0.010 |
GeneticVariation
|
BEFREE |
Both the 677C>T (rs1801133) polymorphism and the scarcely studied 1298A>C (rs1801131) polymorphism of the MTHFR gene were assessed in relation to cognitive change over 8 years in older community-dwelling individuals.
|
21255267 |
2011 |
|
Colorectal Carcinoma
|
|
0.060 |
GeneticVariation
|
BEFREE |
The MTHFR rs1801133 polymorphism was not associated with the prognosis of patients with CRC; however, rs1801131 may be associated with the prognosis of patients with CRC.
|
31330573 |
2019 |
|
Colorectal Carcinoma
|
|
0.060 |
GeneticVariation
|
BEFREE |
In the present study, we have assessed the association of six polymorphisms and relative haplotypes in the MTHFR gene (rs1801133 and rs1801131) and in the MTRR gene (rs1801394, rs1532268, rs162036, and rs10380) with the risk for colorectal cancer in 666 patients and 1377 controls from the Czech Republic.
|
21211571 |
2011 |
|
Colorectal Carcinoma
|
|
0.060 |
GeneticVariation
|
BEFREE |
We genotyped MTHFR polymorphisms C677T (rs1801133) and A1298C (rs1801131) for 498 CRC patients treated with 5-FU-based chemotherapy after receiving surgery.
|
28044213 |
2017 |
|
Colorectal Carcinoma
|
|
0.060 |
GeneticVariation
|
BEFREE |
Three SNPs were shown to increase CRC risk: PTGS1 c.639C>A (p.Gly213Gly), IL8 c.-352T>A, and MTHFR c.1286A>C (p.Ala429Glu).
|
18992148 |
2008 |
|
Colorectal Carcinoma
|
|
0.060 |
GeneticVariation
|
BEFREE |
The present meta-analysis showed that rs1801133 and rs1801131 might be CRC susceptibility variants in Americans and Australians and rs1801133 in Brazilians and Japanese.
|
25823789 |
2015 |
|
Colorectal Carcinoma
|
|
0.060 |
GeneticVariation
|
BEFREE |
In this hospital-based case-control study, the role of MTHFR C677T (rs1801133) and A1298C (rs1801131) genotypes in determining CRC risk were investigated among 362 patients with CRC and an equal number of age- and gender-matched healthy individuals.
|
29599316 |
2018 |
|
Complete Trisomy 21 Syndrome
|
|
0.010 |
GeneticVariation
|
BEFREE |
In the present study, we determined polymorphisms of MTHFR A222V (677C > T), MTHFR E429A (1298A > C), MTRR I22M (66A > G), MTR D919G (2756A > G), and CBS 844ins68 and total plasma homocysteine levels (tHcy) among 154 mothers of children with Down syndrome (DS) and 158 control mothers from Brazil.
|
15889417 |
2005 |
|
Congenital omphalocele
|
|
0.010 |
GeneticVariation
|
BEFREE |
In the total study population, variants in the transcobalamin receptor gene (TCblR), rs2232775 (p.Q8R), and the MTHFR gene, rs1801131 (c.1298A>C), were significantly associated with omphalocele.
|
22116453 |
2012 |
|
Conventional (Clear Cell) Renal Cell Carcinoma
|
|
0.010 |
GeneticVariation
|
BEFREE |
However, methylenetetrahydrofolate reductase (rs1801133 and rs1801131), vitamin D receptor (TaqI and Fok1), and interleukin-16 (rs4778889 and rs11556218) gene polymorphisms were not associated with the risk of renal cell carcinoma.
|
31242814 |
2019 |
|
Coronary Artery Disease
|
|
0.010 |
GeneticVariation
|
BEFREE |
Logistic regression analysis after applying factorial design to the studied single nucleotide polymorphisms (SNPs) revealed that homocysteine levels and heterozygous and mutant alleles at rs1801133, rs1805087, along with mutant alleles at rs1801131, rs4646994, conferred higher risk for CAD.
|
28514598 |
2017 |
|
Coronary heart disease
|
|
0.020 |
GeneticVariation
|
BEFREE |
MTHFR rs1801131 were identified as loci in Chinese population that were involved in CHD.
|
26035828 |
2015 |
|
Coronary heart disease
|
|
0.020 |
GeneticVariation
|
BEFREE |
Our overall analyses suggested that <i>MTRR</i> rs1801394, <i>MTRR</i> rs1532268, <i>MTHFR</i> rs1801131 and <i>MTHFR</i> rs1801133 polymorphisms were all significantly associated with the risk of CHD in certain genetic models.
|
30333252 |
2018 |