Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE No differences were found for FV G1691A or homozygous MTHFR mutations between neonates with CSVT and their mothers, compared to controls. 31025572

2019

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE In this case-control study, we aimed to determine the frequency of prothrombin G20210A and factor V Leiden (FVL) G1691A polymorphisms and protein C, protein S, and antithrombin III deficiencies in the East Algerian population and to investigate whether these genetic factors are associated with VTE. 26304686

2017

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE This study was carried out in 100 patients with hemophilia A. Genotyping for factor V Leiden (FVL) G1691A, prothrombin G20210A, MTHFR C677T, and A1298C mutations was conducted using a real time-polymerase chain reaction (RT-PCR) assay. 26891731

2016

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE Significant differences were found in the frequencies of the genotypes for both the FVL (G1691A) (P<10(-3), odds ratio [OR]=17.4, confidence interval [CI]=6.20-59) and prothrombin (G20210A) (P=.007, OR=5.11, CI=1.30-29) polymorphisms between RVO patients and healthy controls. 24630828

2014

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE Factor V Leiden (FVL) G1691A, Prothrombin (PT) G20210A and methylenetetrahydrofolate reductase (MTHFR) C677T and A128C mutations were evaluated in children with moderate-severe hemophilia A (n = 51) and controls (n = 25). 22411997

2014

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE We determined whether the presence of the factor prothrombin gene G20210A variant, factor V gene G1691A mutation (factor V Leiden), and methylenetetrahydrofolate reductase (MTHFR) C677T polymorphisms may be risk factors for vascular complications in individuals with SCD. 23992124

2013

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE It has been hypothesized that thrombophilic G1691A factor V Leiden (FVL), if detected well ahead in time among recurrent miscarriages may be a treatable. 22990475

2013

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The genetic polymorphisms C677T and A1298C relating to the enzyme methylenetetrahydrofolate reductase (MTHFR), a clotting Factor V Leiden mutation (1691G→A substitution of Factor V Leiden), and the mutant prothrombin 20210A allele were analyzed in this study. 22924497

2012

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE Detection of FVL (G1691A) and FII (G20210A) mutations was carried out using PCR with sequence specific primers. 21269570

2011

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The frequency of FVL G1691A and ACE D allele in T2DM patients with microalbuminuria were 1.6 and 57%, respectively and in normoalbuminuric T2DM patients were 4.9 and 58.3%, respectively (P > 0.05). 20853144

2011

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE To find association of angiotensin-converting enzyme (ACE) insertion/deletion (I/D), angiotensinogen (AGT) T704C, methylenetetrahydrofolate reductase (MTHFR) C677T and factor V Leiden (FVL) G1691A polymorphisms with pre-eclampsia (PE) in North Indian women. 21564405

2011

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE Eighty DVT patients with the mean age of 42.07 +/- 13.0 years including 44 women and 36 men and 100 sex-matched healthy individuals with the mean age of 37.63 +/- 13.3 years from Kermanshah Province of Iran with ethnic background of Kurd were studied for FVL c.1691G>A, prothrombin g.20210G>A and MTHFR c.677C>T by PCR-restriction fragment length polymorphism (RFLP) method using MnlI, HindIII and HinfI restriction enzymes, respectively. 20479641

2010

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The G1691A mutation of the factor V gene (factor V Leiden) and the G20210A mutation of the prothrombin gene as risk factors in thrombotic microangiopathies. 19448164

2009

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The most common genetic defect associated with deep vein thrombosis (DVT) is a mutation in the Factor V gene (G1691A), known as Factor V Leiden (FVL). 19604111

2009

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE In a 12-member, 3-generation kindred with conjoint inheritance of G1691A factor V Leiden (FVL) and G20210A prothrombin gene (PTG) mutations, identified through a proband with amaurosis fugax and his father with nonarteritic ischemic optic neuropathy (NAION), the authors' hypothesis was that ocular thrombosis was a diagnostic window to familial thrombophilia-thrombosis. 18796459

2009

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The protein C (PC), protein S, antithrombin activities, homocysteine levels, and factor V Leiden (FVL) G1691A and prothrombin G20210A mutations were evaluated in 191 patients with VTE and 191 controls. 17895505

2008

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE We used polymerase chain reaction techniques to characterize the thrombophilic FVL G1691A gene mutation. 17582408

2008

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The frequency of the thrombophilic genetic variants factor V Leiden (FVL) G1691A, prothrombin G20210A, and methylenetetrahydrofolate reductase (MTHFR) C677T in acutely symptomatic ambulatory patients with idiopathic pulmonary embolism (PE) has not been measured. 16574759

2006

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE Factor V Leiden (FVL) G1691A, methylenetetrahydrofolate reductase (MTHFR) C677T, and factor II (FII) G20210A mutations are three important causes of thrombophilia, the condition that might be related to infertility and recurrent spontaneous abortion (RSA). 16450127

2006

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE We determined if the presence of the factor V gene G1691A mutation (factor V Leiden), the prothrombin gene G20210A variant, and methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism may be risk factors for vascular complications in individuals with SCD. 16906320

2006

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE If we had sequenced the F5 gene in patients homozygous for this haplotype, in order to locate the possible causal polymorphism, we would have found that 16 (76%) patients were homozygous or heterozygous for a missense mutation in exon 10 (1691G --> A), which predicts the replacement of Arg506 by Gln in one of the cleavage sites for activated protein C, a mutation that we now know as the FVL mutation. 15054398

2004

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE Maternal, paternal, and fetal DNA were genotyped for the methylenetetrahydrofolate reductase (MTHFR) C677T and Factor V Leiden (FVL) G1691A SNPs. 15097012

2004

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE To analyze the influence of the prothrombotic gene mutation factor V G1691A (factor V Leiden) and prothrombin G20210A on the risk of a first episode of catheter-related deep venous thrombosis (DVT) in a group of patients with breast cancer treated with chemotherapy. 15033664

2004

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The aim of our study was to evaluate the association of thrombophilic factor V G1691A mutation (factor V Leiden) and G20210A prothrombin mutation with the disease. 15187864

2004

dbSNP: rs751377893
rs751377893
F5
0.100 GeneticVariation BEFREE The system eliminates the false positive FVL G1691A results associated with other PCR/RFLP caused by rare confounding mutations adjacent to restriction endonuclease recognition sites. 12745655

2003