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VNTR Variant of the eNOS Gene and its Relationship with Osteoporosis in Postmenopausal Turkish Women

Author(s):

Ayse Feyda Nursal*, Serbulent Yigit, Akin Tekcan, Asker Zeki Ozsoy and Haci Omer Ates   Pages 1 - 5 ( 5 )

Abstract:


Background: Osteoporosis (OP) is the most common type of systemic bone disease characterized by low bone mass and micro-structure deterioration of bone tissue, with a consequent increase in bone fragility and fracture risk. Nitric oxide (NO), produced by the enzyme endothelial nitric oxide synthase (eNOS) in endothelial cells, has considerable effects on bone cell function. The objective of this case-control study was to investigate the potential association between the eNOS gene Variable Number Tandem Repeat (VNTR) variant and susceptibility of OP, in a sample of Turkish postmenopausal female patients.

Methods: One hundred and fifty female patients and 100 age -matched healthy females enrolled in the present study. The eNOS gene VNTR variant was genotyped with a polymerase chain reaction (PCR) method. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the strength of the association.

Results: The mean age of the patients was 60.32±8.65 years. It was found that the eNOS VNTR variant genotype and allele frequencies were not significantly different between the patient and control groups (p>0.05).

Conclusion: Genetic variants are important for our understanding of OP pathogenesis. Although we could not find a relationship between the eNOS VNTR variant and postmenopausal OP, it is important that this study is the first study investigating the relationship between the eNOS gene VNTR variant and OP in Turkish women.

Keywords:

Osteoporosis, nitric oxide, endothelial nitric oxide synthase, VNTR, variant, PCR.

Affiliation:

Department of Medical Genetics, Faculty of Medicine, Hitit University, Corum, Department of Genetics, Faculty of Veterinary, Ondokuz Mayıs University, Samsun, Department of Medical Biology, Faculty of Medicine, Amasya University, Amasya, Department of Obstetrics and Gynecology , Faculty of Medicine, Gaziosmanpasa University, Tokat, Department of Medical Biology, Faculty of Medicine, Gaziosmanpasa University, Tokat



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