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  • Title: Association between genotype and plasma levels of thrombin-activated fibrinolysis inhibitor (TAFI) in the development of preeclampsia.
    Author: Acosta-Tejeda M, Baptista-González H, Rosenfeld-Mann F, Trueba-Gómez R, García-Latorre E.
    Journal: Thromb Res; 2011 Oct; 128(4):e39-42. PubMed ID: 21708401.
    Abstract:
    INTRODUCTION: The objective was to evaluate if thrombin-activated fibrinolysis inhibitor (TAFI) polymorphisms (G505A, C1040T, and G-438A), and TAFIa plasma levels are associated with preeclampsia. MATERIALS AND METHODS: In a case-control study design, we evaluated preeclampsia patients and women with uncomplicated pregnancies. The TAFI polymorphisms were determined by real-time PCR method, and TAFIa plasma levels were established with a chromogenic assay. RESULTS: We included 87 women in each group. The TAFIa levels in the preeclampsia group were 20.4 μg/mL (CI 95% 17.3-23.5), while in the control group, they were significantly lower: 13.3 μg/mL (12.0-14.5, p 0.003). There were no differences in the genotype distribution or allelic frequency of TAFI polymorphisms between the two groups. In preeclampsia patients and controls heterozygous for the G505A polymorphism, the TAFIa values were 22.8 (16.7-28.9 μg/mL) and 13.2 (11.3-15.0 μg/mL, p 0.019), respectively. In G505A homozygous polymorphism the TAFIa values were 25.7 (18.7-32.6 μg/mL) and 13.5 (1.6-21.9 μg/mL, p 0.041), respectively. In the C1040T and G-438A TAFI wild type polymorphisms, the TAFIa values were 18.3 (12.5-23.9 μg/mL) and 11.5 (9.9-35.0, p 0.033), and 19.4 (10.9-27.9 μg/mL) and 12.5 (10.8-14.2 μg/mL, p 0.006), respectively, without differences in other genotypes. CONCLUSIONS: Preeclampsia by itself may be responsible for the increase in TAFIa values rather than the presence of polymorphisms.
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