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  • Title: Venous thromboembolism risk associated with ABO, F11 and FGG loci.
    Author: Manco L, Silva C, Fidalgo T, Martinho P, Sarmento AB, Ribeiro ML.
    Journal: Blood Coagul Fibrinolysis; 2018 Sep; 29(6):528-532. PubMed ID: 29995659.
    Abstract:
    : The current study aims to evaluate, for the first time in the Portuguese population, the association with venous thromboembolism (VTE) of five well known and replicated VTE-associated single nucleotide polymorphisms (SNPs) in genes ABO, F11 and FGG. A population sample of 96 cases of VTE, without strong or moderate inherited or noninherited predisposing factors, and 148 healthy controls were analyzed for variants in genes ABO (rs2519093; rs8176719), F11 (rs2036914; rs2289252) and FGG (rs2066865). SNPs were genotyped by real-time PCR with TaqMan probes or by PCR-restriction fragment length polymorphism. Logistic regression, adjusted for age and sex, revealed nominal significant association between the ABO rs8176719 C-allele and VTE in the additive model [odds ratio (OR) 1.62; P = 0.015] and significant association in the dominant model (OR 2.68; P = 0.001). A nominal significant association with VTE was found for the FGG rs2066865 minor T-allele in the dominant model (OR 1.82; P = 0.034). A genetic risk score created by using subjects who carry one or any combination of two to four risk alleles showed a cumulative effect on VTE: OR 2.31 (P = 0.025) and OR 3.23 (P = 0.0016), respectively, compared with individuals who have none of the risk alleles. Our data suggest that SNPs ABO rs8176719 and FGG rs2066865 may contribute individually to the VTE susceptibility in the Portuguese population. A genetic risk score combining the VTE-associated FGG and ABO alleles improved the risk prediction of VTE.
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