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    Factor V Leiden G1691A, prothrombin G20210A, and MTHFR C677T mutations in Turkish inflammatory bowel disease patients
    (H G E Update Medical Publishing S A, 2007) Yasa, Mehmet Hadi; Bolaman, Zahit; Yukselen, Vahit; Kadikoylu, Gurhan; Karaoglu, Ali Onder; Batun, Sabri
    Background/Aims: Patients with inflammatory bowel disease (IBD) have an increased risk for thromboembolic complications. We investigated the incidence of factor V Leiden G1691A, methylene tetrahydrofolate reductase (MTHFR) C677T, and prothrombin G20210A mutation in 27 Turkish IBD patients with no history of thromboembolic disease. Methodology: Twenty-seven patients, 22 with ulcerative colitis (UC) and 5 with Crohn's disease (CD), and 47 healthy were included to the study. The DNAs were obtained from peripheral blood by using pure polymerase chain kit. Then, factor V Leiden G1691A, which active protein C resistance positive, prothrombin G20210A and MTHFR C677T mutations were investigated in DNA by using LightCycler-Factor V Leiden G1691A mutation, Prothrombin G20210A and MTHFR C677T estimate kits. Results: The heterozygote factor V Leiden G1691A mutation was detected in 3 (11.1%) patients with IBD and 2 (4.3%) controls (p > 0.05). The homozygote factor V Leiden G1691A mutation was not estimated among patients and controls. Heterozygote prothrombin G20210A mutation was detected in 2 (7.4%) patients with IBD and in 0 (0%) controls (p>0.05). There was no homozygote prothrombin G20210A mutation in IBD and controls. Heterozygote MTHFR C677T mutation was 10 of 27 (37%) patients with IBD while 15 of 47 (32%) controls (p>0.05). Homozygote MTHFR C677T mutation was detected in 4 patients (14.9%) with IBD and 3 (6.3%) controls (p>0.05). Conclusions: Our study did not reveal any association between IBD and the most common hereditary thrombophilic factors and these mutations interfere with neither disease manifestations nor the thrombotic complications.