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No association of the G972S polymorphism of the insulin receptor substrate-1 gene with polycystic ovary syndrome in lean PCOS women with biochemical hyperandrogenemia

  • Reproductive Medicine
  • Published:
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Abstract

Purpose

The aim of the present study was to determine the prevalence and association of the G972S polymorphism of the insulin receptor substrate-1 gene (IRS-1 G972S SNP) with polycystic ovary syndrome (PCOS) and insulin resistance-related traits in a distinct phenotypic group of lean PCOS women with biochemical hyperandrogenemia, excluding obesity, which is considered to be an aggravating parameter of insulin resistance.

Methods

The study included 162 women with PCOS and 122 regularly menstruating, ovulatory women as controls. Physical measurements included weight, height, fat-free mass, fat mass, systolic and diastolic blood pressure and resting heart rate. Biochemical parameters included the serum testosterone, free testosterone, androstenedione, total cholesterol, triglycerides, HDL and LDL cholesterol and glucose levels. Insulin resistance was assessed by determining fasting insulin levels, fasting glucose levels, the fasting glucose/insulin ratio, as well as the HOMA and QUICKI indexes. All DNA samples were genotyped by a PCR–restriction fragment length polymorphism (RLFP) assay.

Results

No association of the genotype frequencies of the G972S polymorphism in insulin receptor substrate-1 gene (IRS-1 G972S SNP) with PCOS phenotype and insulin resistance was detected.

Conclusion

The G972S polymorphism of the IRS-1 gene should not be viewed as major contributor to the development of PCOS or as a causative variant for insulin resistance.

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Authors and Affiliations

  1. Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, University of Patras Medical School, 26500, Patras, Greece

    Dimitra J. Marioli, Vasiliki Koika, George L. Adonakis, Alexandros D. Saltamavros, Anastasia Karela, Anastasia K. Armeni & Neoklis A. Georgopoulos

  2. Department of Obstetrics and Gynecology, University of Patras Medical School, 26500, Patras, Greece

    George L. Adonakis, Vasilios S. Tsapanos, George O. Decavalas & Neoklis A. Georgopoulos

Authors
  1. Dimitra J. Marioli
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  2. Vasiliki Koika
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  3. George L. Adonakis
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  4. Alexandros D. Saltamavros
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  5. Anastasia Karela
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  6. Anastasia K. Armeni
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  7. Vasilios S. Tsapanos
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  8. George O. Decavalas
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  9. Neoklis A. Georgopoulos
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Corresponding author

Correspondence to George L. Adonakis.

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Marioli, D.J., Koika, V., Adonakis, G.L. et al. No association of the G972S polymorphism of the insulin receptor substrate-1 gene with polycystic ovary syndrome in lean PCOS women with biochemical hyperandrogenemia. Arch Gynecol Obstet 281, 1045–1049 (2010). https://doi.org/10.1007/s00404-009-1299-2

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  • DOI: https://doi.org/10.1007/s00404-009-1299-2

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