Association of -108 C>T PON1 polymorphism with polycystic ovary syndrome

Polonca Ferk, Ksenija Gersak
Biomedical Reports 2014, 2 (2): 255-259
Polycystic ovary syndrome (PCOS) is possibly the most common endocrine disorder in premenopausal women. In this study, we aimed to investigate the association of the -108 C>T polymorphism in the PON1 gene, which encodes the antioxidant enzyme paraoxonase-1, with PCOS. A total of 118 women with PCOS and 108 control subjects were included in this case-control study. The PON1 polymorphism was genotyped, biochemical and clinical parameters were determined and the correlations between the parameters were statistically evaluated. The differences in the PON1 allele and genotype distributions between PCOS patients and controls did not reach a statistical significance. The serum fasting glucose (GLU) levels did not differ significantly between the PCOS patients and the controls. However, the serum fasting insulin (INS) concentration, INS/GLU ratio and homeostasis model assessment (HOMA) index, although within the normal range, were significantly higher in the PCOS group. When considering PCOS patients and controls as separate groups or as a single group of patients, none of the analyzed biochemical or clinical parameters were found to be significantly correlated with the PON1 polymorphism. Therefore, the -108 C>T PON1 polymorphism was not found to be significantly associated with the presence of PCOS or with its particular clinical and biochemical characteristics in non-insulin resistant, non-obese patients.

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