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Adrenomedullin: Possible predictor of insulin resistance in women with polycystic ovary syndrome

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Abstract

The aim of the study was to investigate adrenomedullin (ADM) levels and its relation with insulin resistance in women with polycystic ovary syndrome (PCOS). Twenty-nine women with PCOS and 29 age- and body mass index (BMI)-matched control subjects were included in the study. PCOS was defined according to criteria by the Rotterdam European Society of Human Reproduction and Embryology/American Society for Reproductive Medicine (ESHRE/ASRM)-sponsored PCOS consensus workshop group. A full clinical and biochemical examination including basal hormones and metabolic profile was performed. Insulin resistance was calculated by using the homeostasis model assessment of insulin resistance index (HOMA-IR). Plasma ADM levels were measured by high performance liquid chromatographic (HPLC) method. Plasma ADM, fasting insulin levels and HOMA-IR were significantly higher in patients with PCOS than the control group. ADM levels were positively correlated with insulin levels and HOMA-IR index. The best cut-off value of ADM levels to identify the presence of insulin resistance (HOMA-IR≥2.7) was 30.44 ng/ml. Calculated odds ratio of insulin resistance by using logistic regression analysis, as predicted by ADM, was 0.15 (95% confidence interval, 0.037–0.628; p=0.009). In multiple regression analysis, ADM level was an independent predictor of HOMA-IR index. Our finding indicated that ADM levels increased in women with PCOS in accordance with HOMA-IR. ADM could be a significant independent determinant of insulin resistance in women with PCOS.

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Authors and Affiliations

  1. Endocrinology and Metabolism, Inönü University, Malatya, Turkey

    I. Şahin MD & L. Keskin

  2. Obstetrics and Gynecology, Inönü University, Malatya, Turkey

    Ö. Çelik

  3. Biochemistry, Beydagi State Hospital, Malatya, Turkey

    N. Çelik

  4. Faculty of Art and Science, Molecular Biology, Inönü University, Malatya, Turkey

    A. Doğru, I. Doğru & M. Yürekli

  5. Biostatistics, Inönü University, Malatya, Turkey

    S. Yoloğlu

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  1. I. Şahin MD
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Correspondence to I. Şahin MD.

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Şahin, I., Çelik, Ö., Çelik, N. et al. Adrenomedullin: Possible predictor of insulin resistance in women with polycystic ovary syndrome. J Endocrinol Invest 35, 553–556 (2012). https://doi.org/10.3275/7872

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