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 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

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Accumulated evidence has demonstrated that C677T and A1298C polymorphisms of the MTHFR gene are associated with acute lymphoblastic leukemia (ALL) risk, but the results have been inconclusive. 21702646

2011

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Although MTHFR C677T was associated with increased risks of colorectal cancer, leukemia, and gastric cancer, our pooled data suggest no evidence for a major role of MTHFR C677T in the carcinogenesis of childhood acute lymphoblastic leukemia. 20409583

2010

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Children with ALL (n = 96) were screened for GCPII C1561T, RFC1 G80A, cSHMT C1420T, TYMS 5´-UTR 2R3R, TYMS 3´-UTR ins6/del6, MTHFR C677T, MTR A2756G polymorphisms using PCR-RFLP and PCR-amplified fragment length polymorphism techniques. 22838948

2012

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE DNA samples taken from 66 patients with ALL and 100 age-matched controls were analyzed using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay for detection of MTHFR C677T and A1298C mutations. 16886608

2006

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Genotyping of MTHFR polymorphism, C677T particularly, prior to treatment for ALL is likely to be useful with the aim of tailoring MTX therapy and thus reducing the MTX-related toxicities. 22528943

2012

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
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: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE In the adult subgroup, there was no significant association between the C677T variant and ALL risk (Dominant model: OR(RE)=0.88, 95% CI: 0.45-1.72, p=0.72). 23061880

2012

dbSNP: rs1217691063
rs1217691063
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

dbSNP: rs1217691063
rs1217691063
Childhood Acute Lymphoblastic Leukemia
0.100 GeneticVariation BEFREE Methylenetetrahydrofolate reductase C677T and overall survival in pediatric acute lymphoblastic leukemia: a systematic review. 23550988

2014

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

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 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 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 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 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 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 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 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 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 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