Variant Gene Disease Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE We observed a significant decrease in risk for the C677T polymorphism (OR range=0.54-0.75, p<0.01) and a significant increase in risk for the A1298C polymorphism (OR range=1.28-2.52, p<0.05) in developing ALL for all genetic models. 31188929

2019

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE We have analyzed the MTHFR C677T polymorphism in 52 patients and 88 control individuals, all ethnic Greek residents of northern Greece, and examined the association of this polymorphism with (a) susceptibility to childhood ALL and (b) the distribution of average plasma alanine aminotransferase (ALT) levels, white blood cell counts (WBC), and hemoglobin levels (Hb) during the induction and consolidation phases of treatment. 16123993

2006

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE This meta-analysis supports the idea that the MTHFR C677T genotype is associated with risk of ALL in Caucasians. 24377532

2013

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE These findings confirm that the MTHFR C677T polymorphism could be considered as a good marker of the pediatric ALL relapse risk. 24637499

2014

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE These data provide evidence that the MTHFR C677T polymorphism is a common genetic variant conferring a moderate relative risk and a high attributable risk for relapse in pediatric ALL patients. 15781665

2005

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Therefore, <i>MTHFR</i> C677T and A1298C polymorphisms do not seem to be good markers of MTX-related toxicity and/or outcome in pediatric ALL. 28392709

2017

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE There was no association between the 677C>T or 1298A>C and risk of ALL in total case-control sample. 16182363

2006

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE The MTHFR C677T and A1298C genotypes were analyzed using allele discrimination tests with Taq-Man fluorescent probes.The MTHFR 677TT genotype was related to a 2-fold increase in risk of ALL (P = .014). 29390492

2017

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE The MTHFR 677C>T SNP and the MTRR 66A >G SNP were identified as determinants of impaired BMD(TB) in childhood ALL patients. 20955826

2011

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE The aim of our study was to investigate the influence of C677T and A1298C polymorphisms in methylenetetrahydrofolate reductase (MTHFR) gene on MTX-induced toxicity during treatment of children with ALL. 26528799

2015

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE The 5,10-MTHFR 677C>T and RFC1 80G>A polymorphisms are associated with an increased risk of susceptibility to pediatric ALL. 31499477

2019

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Our results indicated that the MTHFR C677T T allele was a protective biomarker for childhood ALL in Taiwan, and the association was more significant in male patients and in patients 3.5 years of age or older at onset of disease. 25793509

2015

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Our findings support the proposal that the common genetic C677T polymorphism in the MTHFR contributes to the risk of adult ALL, but not to the childhood ALL susceptibility. 17035405

2006

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Our findings suggest that C677T polymorphism of MTHFR seems to be a good marker for MTX-related toxicity in ALL. 30545275

2019

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE No significant differences were found between patients with ALL and controls for the frequency of MTHFR C677T and A1298C alleles, genotypes, combined genotypes or haplotypes. 25629981

2015

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE No significant difference was found in the development of adult ALL among those with different MTHFR genotypes of the C677T or A1298C polymorphisms. 17970089

2007

dbSNP: rs1217691063
rs1217691063
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