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Original Article Peroxisome Proliferator-activated Receptor-gamma (PPARgamma) Polymorphism in Korean Women with Polycystic Ovary Syndrome.
Jee Young Oh, Hyejin Lee, Young Sun Hong, Yeon Ah Sung, Hye Won Chung
Diabetes & Metabolism Journal 2007;31(6):480-487
DOI: https://doi.org/10.4093/jkda.2007.31.6.480
Published online: November 1, 2007
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1Department of Internal Medicine, School of Medicine, Ewha Womans University.
2Department of Obstetrics and Gynecology, School of Medicine, Ewha Womans University.

BACKGROUND
Polycystic ovary syndrome (PCOS) is a common endocrine disease affecting 5~10% of women with reproductive age. Familial aggregation suggests the evidence supporting a genetic basis for PCOS. The mode of inheritance of PCOS is not yet clear, however, probably polygenic and might be related to insulin resistance. Polymorphism of peroxisome proliferator-activated receptor (PPAR)-gamma gene is a susceptible gene for the development of obesity and diabetes. In this study, we examined the frequency and genetic effect of PPAR-gamma polymorphism on insulin resistance or hyperandrogenemia in Korean women with PCOS. METHODS: One-hundred twenty five Korean women with PCOS were evaluated for their metabolic and reproductive hormonal status. PPAR-gamma polymorphism was analyzed. RESULTS: Genetic frequency of PPAR-gamma was not significantly different between women with PCOS (n = 125) and those with regular menstrual cycles (n = 344). PCOS with Pro12Ala polymorphism had significantly higher levels of waist circumference and subcutaneous fat area compared with those with Pro12Pro genotype. They also had tendency of higher levels of fasting glucose concentration, body mass index (BMI) and visceral fat area. After BMI adjustment, this polymorphism was related to lower fasting insulin and higher insulin sensitivity index, and higher sex hormone binding globulin and lower free testosterone levels. CONCLUSION: Pro12Ala polymorphism of PPAR-gamma gene might be associated with obesity. However, after BMI adjustment, it may have favorable effect on insulin resistance and hyperandrogenemia. Because this study has limitations to conclude the genetic causality, further study is needed to support these findings.

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    Peroxisome Proliferator-activated Receptor-gamma (PPARgamma) Polymorphism in Korean Women with Polycystic Ovary Syndrome.
    Korean Diabetes J. 2007;31(6):480-487.   Published online November 1, 2007
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Oh JY, Lee H, Hong YS, Sung YA, Chung HW. Peroxisome Proliferator-activated Receptor-gamma (PPARgamma) Polymorphism in Korean Women with Polycystic Ovary Syndrome.. Diabetes Metab J. 2007;31(6):480-487.
DOI: https://doi.org/10.4093/jkda.2007.31.6.480.

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