|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Our findings suggest that the MTHFR 677C>T and 1298A>C gene variants do not have a major influence on the susceptibility to pediatric ALL in the German population.
|
15921520 |
2005 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The MTHFR C677T and A1298C polymorphisms and susceptibility to childhood acute lymphoblastic leukemia in Portugal.
|
16096524 |
2005 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
However, 677T allele was linked to a decrease risk of ALL [odds ratio (OR), 0.43; 95% confidence interval (CI), 0.22-0.86], whereas the 1298A>C polymorphism presents an elevated risk factor [OR, 2.01; 95% CI, 1.01-3.99] in non-White children.
|
16182363 |
2006 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Although no consistent results on associations between MTHFR A 1298C polymorphism and ALL in the populations studied were obtained, the A1298C polymorphism, at least in Koreans, may be a genetic determinant among childhood ALL patients.
|
16886608 |
2006 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
A meta-analysis of case-control studies that investigated the association between the C677T and/or A1298C polymorphisms in the methylenetetrahydrofolate reductase (MTHFR) gene and acute lymphoblastic leukemia (ALL) was carried out.
|
16897583 |
2006 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Most studies found a strong association between the polymorphisms MTHFR, C677T or A1298C, and NQO1*2 or *3 and the risk of acute lymphoblastic leukemia (ALL).
|
17023046 |
2006 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
No association between the A1298C variant and susceptibility to both adult and childhood ALL was disclosed.
|
17035405 |
2006 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
DNA samples taken from patients with ALL and controls were analyzed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assays to detect the MTHFR C677T and A1298C mutations.
|
17970089 |
2007 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
No significant relation was found between MTHFR A1298C polymorphism and the risks of therapy induced complications or relapse rate in the studied ALL patients.
|
19923983 |
2010 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
We conducted a case-control study in 95 north Indian children with acute lymphoblastic leukemia (ALL) and 255 controls, to investigate the role of MTHFR C677T and A1298C polymorphisms as risk factors in the development of ALL.
|
20367562 |
2010 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
It has been suggested that two MTHFR polymorphisms, 677C>T and 1298A>C, influence risk of acute lymphoblastic leukemia (ALL).
|
20374270 |
2010 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
These results suggest that the MTHFR C677T, but not A1298C, polymorphism is a potential biomarker for childhood ALL risk.
|
21495160 |
2012 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
For the MTHFR A1298C polymorphism, no significant association with ALL susceptibility was observed in the pooled analyses.
|
21702646 |
2011 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Seventy-two children with ALL and 109 age- and sex-matched healthy children from Western Iran were screened for MTHFR C677T and A1298C variants by using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP).
|
22017305 |
2012 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
In total, 167 children with ALL were genotyped for methylenetetrahydrofolate dehydrogenase (MTHFD1) 1958G > A, methylenetetrahydrofolate reductase (MTHFR) 677C > T and 1298A > C and thymidylate synthase (TYMS) 2R > 3R polymorphisms.
|
22074251 |
2012 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The genetic association studies (GAS) that investigated the association between ALL and the MTHFR C677T and A1298C gene variants have produced contradictory or inconclusive results.
|
22094326 |
2012 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
5,10-methylenetetrahydrofolate reductase (MTHFR) variants, C677T and A1298C, have been reported to be associated with decreased risk of acute lymphoblastic leukemia (ALL).
|
22943282 |
2012 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The A1298C polymorphism had an effect on ALL risk neither in adults (Dominant model: OR(FE)=0.95, 95% CI: 0.71-1.27, p=0.72) nor in children (Dominant model: OR(FE)=1.02, 95% CI: 0.87-1.21, p=0.77).
|
23061880 |
2012 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
In conclusion, MTHFR, C677T and A1298C polymorphisms do not seem to be good markers of MTX-related toxicity in pediatric ALL.
|
23089671 |
2013 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
In conclusion, the MTHFR C677T and A1298C haplotypes might be useful for monitoring adverse effects in childhood ALL maintenance therapy in Japanese patients.
|
23865834 |
2014 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
However, a significant association was detected between the MTHFR A1298C/ RFC G80A genotype and a nonpredisposition for ALL (P = 0.035).
|
24237708 |
2014 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Two polymorphisms of the gene encoding MTHFR, C677T and A1298C, alter MTHFR enzyme activity and may be associated with ALL relapse.
|
24637499 |
2014 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
The aims of this study were to (a) to determine the prevalence of seven common genetic polymorphisms including those that affect the folate and/or thiopurine metabolic pathways, i.e. cyclin D1 (CCND1-G870A), γ-glutamyl hydrolase (GGH-C452T), methylenetetrahydrofolate reductase (MTHFR-C677T and MTHFR-A1298C), thymidylate synthase promoter (TYMS-TSER), thiopurine methyltransferase (TPMT*3A and TPMT*3C) and inosine triphosphate pyrophosphatase (ITPA-C94A), in Caucasian (n = 94, age < 20) and Vietnamese (n = 141, age < 16 years) childhood ALL and (b) to assess the impact of a multilocus genetic risk score (MGRS) on relapse-free survival (RFS) using a Cox proportional-hazards regression model.
|
25099492 |
2015 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
In a case-control study of 203 patients with ALL and 246 controls and meta-analysis in the Indian population, we showed an insignificant association of MTHFR C677T and A1298C genotypes with childhood and adult ALL.
|
25115513 |
2015 |
|
rs397507444
|
|
Childhood Acute Lymphoblastic Leukemia
|
|
0.100 |
GeneticVariation
|
BEFREE |
Our results suggest that the MTHFR C677T and A1298C polymorphisms may be potential biomarkers for ALL risk in Chinese populations, and studies with a larger sample size and wider population spectrum are required before definitive conclusions can be drawn.
|
25342508 |
2014 |