Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE These findings indicate that the C677T polymorphism is a risk factor for diabetic nephrop-athy in male patients with type 2 diabetes. 12897091

2003

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Methylenetetrahydrofolate Reductase (MTHFR) (C677T and A1298C) Polymorphisms and Vascular Complications in Patients with Type 2 Diabetes. 28341195

2017

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE This case-control study assessed the association of MTHFR C677T mutation in T2DM and DN cases. 21186995

2011

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE These results show an evident association between the MTHFR C677T polymorphism and T2DM in Moroccan patients but no significant association with the MTHFR A1298C polymorphism. 22103601

2012

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE We assessed the contribution of serum homocysteine levels, an independent risk factor for vascular disease, and of the methylenetetrahydrofolate reductase (MTHFR) C677T mutation to the variability of carotid intimal-medial thickness (IMT) in patients with non-insulin-dependent diabetes mellitus (NIDDM). 10500310

1999

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Our results indicated that MTHFR C677T polymorphism confers to T2DM, especially in Asian populations. 31663297

2019

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Mild hyperhomocysteinemia, C677T polymorphism on methylenetetrahydrofolate reductase gene and the risk of macroangiopathy in type 2 diabetes: a prospective study. 19937354

2011

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE In conclusion, the MTHFR C677T T allele or TT genotype might be a significant genetic molecular marker to determine the risk of DN in patients with type 2 diabetes and help to develop suitable disease prevention and management strategies. 26161693

2015

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE MTHFR gene C677T mutation associated with a predisposition to increased plasma homocysteine levels may be considered as a genetic risk factor for diabetic microangiopathy (such as DR) in Chinese patients with type 2 diabetes mellitus. 12667409

2003

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The frequency of two MTHFR mutations, a recently described mutation in the human MTHFR gene A1298C and C677T, whose association with DN is already known, was determined in an Israeli Jewish population with type 2 diabetes mellitus (DM). 11015479

2000

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Mild hyperhomocysteinemia and the common C677T polymorphism of methylene tetrahydrofolate reductase gene are not associated with the metabolic syndrome in Type 2 diabetes. 16682831

2006

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The effect of MTHFR C677T polymorphism on type 2 diabetes mellitus with vascular complications in Chinese Han population: a meta-analysis. 24838050

2014

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE In conclusion, while the C allele of the 677C/T MTHFR polymorphism is associated with type II diabetes mellitus in women, the T allele is associated with CAD only in normotensive subjects of Czech origin. 11386855

2001

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Our study for the first time demonstrated a synergistic effect between ACE I/D with either MTHFR C677T or A1298C polymorphism on the increased risk of DN among patients with T2DM. 21942443

2012

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE We evaluated the association between tHcy levels and methylenetetrahydrofolate reductase (MTHFR) 677C-->T genotype in a type 2 diabetes mellitus (DM) population and their relationship with oxidized LDL (ox-LDL) according to dietary habits and vascular complications. 17618615

2007

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Interaction of MTHFR C677T polymorphism with smoking in susceptibility to diabetic nephropathy in Chinese men with type 2 diabetes. 30397262

2019

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Overall, the T allele of the MTHFR 677 C > T conferred a greater risk for T2DM [Random effect (RE) OR = 1.31(1.17-1.64), I² = 41.0%, p = 0.055]. 24320691

2013

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Our findings suggest that the C677T mutation in the MTHFR gene predisposes type 2 diabetes patients to the development of diabetic nephropathy. 14737040

2004

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Effect of MTHFR C677T genotype on survival in type 2 diabetes patients with end-stage diabetic nephropathy. 17005529

2007

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Methylenetetrahydrofolate reductase polymorphism 677C>T is associated with peripheral arterial disease in type 2 diabetes. 16274479

2005

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE We investigated the association of C677T and A1298C MTHFR gene variants and altered homocysteine concentrations in Lebanese and Bahraini type 2 diabetes (T2DM) DN patients. 20524928

2010

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE In fact, we evaluated the effect of seven polymorphisms in the following genes-PPARg (Pro12Ala), TNFα (-308A/G), ENPP1(K121Q), TCF7L2(rs7903146°C/T), MTHFR(C677T), ACE(I/D), and CAPN10(3R/2R)-on T2D risk, through a meta-analysis combining data of previous studies performed on Tunisian populations originating from the north, center, or south of the country. 23249316

2012

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE The relationship between C677T methylenetetrahydrofolate reductase gene polymorphism and retinopathy in type 2 diabetes: a meta-analysis. 15902512

2005

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Synergistic effects of the MTHFR C677T and A1298C polymorphisms on the increased risk of micro- and macro-albuminuria and progression of diabetic nephropathy among Iranians with type 2 diabetes mellitus. 20800057

2010

dbSNP: rs1217691063
rs1217691063
0.100 GeneticVariation BEFREE Logistic regression analysis revealed that the C677T mutation of MTHFR gene was independently associated with ischemic stroke in type 2 diabetes. 19934557

2010