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Factor XIIIA-V34L and factor XIIIB-H95R in venous thromboembolism in central Iran: protective and neutral

Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis | 11 Feb 2014

B Pourgheysari, F Drees and M Hashemzadeh-Chaleshtori
Abstract
Polymorphisms of coagulation factor XIII, an A2B2 tetramer, have been reported in correlation with venous and arterial thrombotic events. As there were limited data on these polymorphisms from Iranian population, we studied the correlation of factor XIIIA-Val34Leu and factor XIIIB-His95Arg with venous thromboembolism (VTE) in central Iran. Venous blood was collected from 102 unrelated VTE patients, diagnosed as pulmonary embolism, deep vein thrombosis (DVT), and pulmonary embolism/DVT and 165 healthy persons as control group. Genotyping was performed from DNA for FXIIIA-V34L and FXIIIB-H95R by polymerase chain reaction-restriction fragment length polymorphism and data were analyzed using Statistical Package for the Social Services software. There was no difference in age among the three groups of patients and between male and female participants. 41.02% of patients versus 42.04% of controls were carriers of FXIIIA-V34L as homozygous or heterozygous. Homozygosity of 34LL was significantly lower in patients compared with control participants (OR: 0.107, 95% CI: 0.14-0.83, Pā€Š=ā€Š0.01) with only one homozygous in patients compared with 14 in the control group. Factor XIIIB-H95R was observed in 26.5% of patients versus 17.6% of control participants with no significant difference. There was no significant difference between patients and control group in homozygosity. Our findings on the frequency of FXIIIA-V34L is compatible with Caucasians. The significantly higher existence of homozygous 34LL in control participants is comparable with those who found it as protective against VTE. It may help to recognize risk factors or may contribute to prophylaxis in family members. We found FXIIIB-H95R polymorphism neutral. As there are different ethnicities in Iran, it may be beneficial to study other populations.
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Concepts
Thrombosis, Warfarin, Iran, Deep vein, Hematology, Deep vein thrombosis, Blood, Vein
MeSH headings
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