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. 2020 Nov 25;12(4):393-400.
doi: 10.4274/jcrpe.galenos.2020.2020.0037. Epub 2020 May 20.

Endocrine Disruptors and Polycystic Ovary Syndrome: Phthalates

Leyla Akın  1   2 , Mustafa Kendirci  1 , Figen Narin  3 , Selim Kurtoğlu  1 , Nihal Hatipoğlu  1 , Ferhan Elmalı  3
Affiliations

Endocrine Disruptors and Polycystic Ovary Syndrome: Phthalates

Leyla Akın et al. J Clin Res Pediatr Endocrinol. .

Abstract

Objective: We aimed to investigate a possible role of the endocrine disruptors phthalates, di-2-ethylhexyl phthalate (DEHP) and mono (2-ethylhexyl) phthalate (MEHP), in polycystic ovary syndrome (PCOS) aetiopathogenesis. We also wished to evaluate the relationship between phthalates and metabolic disturbances in adolescents with PCOS.

Methods: A total of 124 adolescents were included. Serum MEHP and DEHP levels were determined by high-performance liquid chromatography. Insulin resistance was evaluated using homeostasis model assessment-insulin resistance, quantitative Insulin Sensitivity Check Index, fasting glucose/insulin ratio, Matsuda index, and total insulin levels during oral glucose tolerance test. Participants were further subdivided into lean and obese subgroups according to body mass index (BMI).

Results: Sixty-three PCOS and 61 controls, (mean age 15.2±1.5; range: 13-19 years) were enrolled. Serum DEHP and MEHP concentrations were not significantly different between PCOS and control groups. The mean (95% confidence interval) values of DEHP and MEHP were 2.62 (2.50-2.75) μg/mL vs 2.71 (2.52-2.90) μg/mL and 0.23 (0.19-0.29) μg/mL vs 0.36 (0.18-0.54) μg/mL in PCOS and the control groups respectively, p>0.05. Correlation analysis, adjusted for BMI, showed that both phthalates significantly correlated with insulin resistance indices and serum triglycerides in adolescents with PCOS.

Conclusion: Serum DEHP and MEHP concentrations were not different between adolescents with or without PCOS. However, these phthalates are associated with metabolic disturbances such as dyslipidemia and insulin resistance, independently of obesity, in girls with PCOS.

Keywords: di-(2-ethylhexyl)-phthalate; endocrine disrupter; mono-(2-ethylhexyl)-phthalate; polycystic ovary syndrome; Phthalate.

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