Li Wei Cho
Androsterone glucuronide to dehydroepiandrosterone sulphate ratio is discriminatory for obese Caucasian women with polycystic ovary syndrome
Cho, Li Wei; Sathyapalan, Thozhukat; Kilpatrick, Eric S.; Keevil, Brian G.; Miller, Adrian G.; Coady, Anne M.; Ahmed, Lina; Atkin, Stephen L.
Authors
Professor Thozhukat Sathyapalan T.Sathyapalan@hull.ac.uk
Professor of Diabetes, Endocrinology and Metabolism
Eric S. Kilpatrick
Brian G. Keevil
Adrian G. Miller
Anne M. Coady
Lina Ahmed
Stephen L. Atkin
Abstract
BACKGROUND: Androsterone glucuronide (ADTG) concentrations have been suggested as a marker of the effects of androgens at the target tissue level. As the mechanism for hyperandrogenemia in obese and nonobese polycystic ovary syndrome (PCOS) may differ, this study compared the different androgen parameters in non-obese compared to obese women with PCOS, and in normal subjects. METHODS: Eleven non-obese and 14 obese women with PCOS were recruited and compared to 11 control women without PCOS. Total testosterone, dehydroepiandrosterone sulphate (DHEAS), ADTG, and androstenedione were analysed using gold standard tandem mass spectrometry, and the free androgen index (FAI) was calculated. RESULTS: Total testosterone, ADTG and androstendione levels did not differ between non-obese (body mass index (BMI) ≤25 kg/m2) and obese PCOS (BMI >25 kg/m2) but all were significantly higher than for controls (p < 0.01). The ADTG to DHEAS ratio was significantly elevated 39 ± 6 (p < 0.01) in obese PCOS in comparison to non-obese PCOS and controls (28 ± 5 and 29 ± 4, respectively). The free androgen index (FAI) and insulin resistance (HOMA-IR) were significantly higher in obese PCOS compared to non-obese PCOS and controls (p < 0.01). DHEAS was significantly higher in the non-obese versus obese PCOS (p < 0.01). All androgen parameters were significantly lower and sex hormone binding globulin (SHBG) significantly higher in normal subjects compared to those with obese and non-obese PCOS. CONCLUSIONS: The ADTG:DHEAS ratio was significantly elevated in obese PCOS compared to non-obese PCOS and controls suggesting that this may be a novel biomarker discriminatory for obese PCOS subjects, perhaps being driven by higher hepatic 5α reductase activity increasing ADTG formation in these women.
Citation
Cho, L. W., Sathyapalan, T., Kilpatrick, E. S., Keevil, B. G., Miller, A. G., Coady, A. M., Ahmed, L., & Atkin, S. L. (2017). Androsterone glucuronide to dehydroepiandrosterone sulphate ratio is discriminatory for obese Caucasian women with polycystic ovary syndrome. BMC Endocrine Disorders, 17(1), Article 26. https://doi.org/10.1186/s12902-017-0177-3
Journal Article Type | Article |
---|---|
Acceptance Date | May 11, 2017 |
Online Publication Date | May 19, 2017 |
Publication Date | May 19, 2017 |
Deposit Date | Jun 3, 2017 |
Publicly Available Date | Jun 3, 2017 |
Journal | BMC Endocrine Disorders |
Electronic ISSN | 1472-6823 |
Publisher | Springer Verlag |
Peer Reviewed | Peer Reviewed |
Volume | 17 |
Issue | 1 |
Article Number | 26 |
DOI | https://doi.org/10.1186/s12902-017-0177-3 |
Keywords | Polycystic ovary syndrome, Androsterone glucuronide, DHEAS |
Public URL | https://hull-repository.worktribe.com/output/452002 |
Publisher URL | https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0177-3 |
Additional Information | This is a copy of an open access article published in BMC Endocrine Disorders, 2017, v.17 issue 1. |
Contract Date | Jun 3, 2017 |
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Copyright Statement
© The Author(s). 2017
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
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