E-ISSN: 1309-0380
    Nitric oxide levels and endothelial nitric oxide synthase gene polymorphisms in Turkish women with idiopathic recurrent miscarriage
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    Original Investigation
    VOLUME: 12 ISSUE: 4
    P: 234-238
    December 2011

    Nitric oxide levels and endothelial nitric oxide synthase gene polymorphisms in Turkish women with idiopathic recurrent miscarriage

    J Turk Ger Gynecol Assoc 2011;12(4):234-238
    DOI: 10.5152/jtgga.2011.48
    Ebru Öztürk 1
    Özcan Balat 2
    Sacide Pehlivan 3
    Mete Gürol Uğur 1
    Yelda Özkan 4
    Tuğçe Sever 3
    Emine Namiduru 5
    Seval Kul 6
    1. Depatment Of Obstetric And Gynecology, Faculty Of Medicine, Gaziantep University, Gaziantep, Turkey
    2. Gaziantep University Faculty Of Medicine Obstetric And Gyneacology Department Gaziantep,Turkey
    3. Department Of Medical Biology And Genetics, Faculty Of Medicine, Gaziantep University, Gaziantep, Turkey
    4. Department Of Obstetrics And Gynecology, Faculty Of Medicine, Gaziantep University, Gaziantep, Turkey
    5. Department Of Biochemistry, Faculty Of Medicine, Gaziantep University, Gaziantep, Turkey
    6. Department Of Biostatistics, Faculty Of Medicine, Gaziantep University, Gaziantep, Turkey
    No information available.
    No information available
    Received Date: 28.08.2011
    Accepted Date: 11.09.2011
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    ABSTRACT

    Objective:

    To determine whether endothelial nitric oxide synthase (eNOS) gene polymorphisms are associated with an increased risk for Idiopathic Recurrent Miscarriage (IRM) in the Turkish population and to evaluate the association between Nitric Oxide (NO) levels and eNOS gene polymorphisms in women with IRM.

    Material and Methods:

    A total of 120 Turkish women were enrolled in this study in four groups. Of these, 30 women were first trimester pregnant who had IRM (Group I). Thirty healthy multipara women were in the first trimester of pregnancy with no history of abortion (Group II). Thirty women were non pregnant with a history of IRM (Group III). The remaining 30 subjects were healthy multipara non-pregnant women with no history of abortion (Group IV). DNA analysis of four groups were performed for the two polymorphisms using the PCR and/or PCR-RFLPs method and NO levels were measured spectrophotometrically.

    Results:

    We observed statistically significant decreased NO levels in the pregnant patient group (p=0.001) while elevated NO levels were measured in the non pregnant patient group (p=0.004). We demonstrated that,while there was no significant difference in terms of VNTR 4/eNOS genotype, there was a marginally significant difference in terms of Glu298Asp/eNOS genotype frequency (p=0.055) in patients with IRM in the Turkish population. We observed no association between NO levels and Glu298Asp/eNOS or VNTR 4/eNOS genotypes in any of the groups.

    Conclusion:

    The Glu298Asp polymorphism of eNOS could be an intriguing susceptibility factor that modulates an individual’s risk of IRM in Turkish population. Further studies to explain the role of the NO pathway in the pathophysiology of IRM are needed.

    Keywords: Idiopathic recurrent miscarriage, nitric oxide, gene polymorphisms

    References

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