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  • Title: Analysis of plasminogen activator inhibitor-1, integrin beta3, beta fibrinogen, and methylenetetrahydrofolate reductase polymorphisms in Iranian women with recurrent pregnancy loss.
    Author: Jeddi-Tehrani M, Torabi R, Zarnani AH, Mohammadzadeh A, Arefi S, Zeraati H, Akhondi MM, Chamani-Tabriz L, Idali F, Emami S, Zarei S.
    Journal: Am J Reprod Immunol; 2011 Aug; 66(2):149-56. PubMed ID: 21241403.
    Abstract:
    PROBLEM: To identify the associations of the plasminogen activator inhibitor-1 (PAI-1) -675 4G/5G, beta fibrinogen (BF) -455G/A, integrin beta 3 (ITGB3) 1565T/C, and methylenetetrahydrofolate reductase (MTHFR) 677C/T and 1298A/C polymorphisms with recurrent pregnancy loss (RPL). METHOD OF STUDY: Polymerase chain reaction and restriction fragment length polymorphism (PCR-RFLP) were performed to assess the frequency of five candidate genetic risk factors for RPL, and the frequencies of the polymorphisms were calculated and compared between case and control groups. RESULTS: The BF -455G/A, MTHFR 677C/T, and 1298A/C polymorphisms were found to be positively, and ITGB3 1565T/C polymorphism negatively, associated with RPL. Homozygosity but not heterozygosity for PAI-1 -675 4G/5G polymorphism was significantly higher in patients with RPL than in the control group. The presence of both mutations of MTHFR genes highly increased the risk of RPL. CONCLUSION: The data highlight the importance of thrombophilia screening in patients with RPL.
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