Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2021 May;72(2):562-572.
doi: 10.1007/s12020-020-02600-1. Epub 2021 Jan 15.

Glucocorticoid signaling and lipid metabolism disturbances in the liver of rats treated with 5α-dihydrotestosterone in an animal model of polycystic ovary syndrome

Affiliations

Glucocorticoid signaling and lipid metabolism disturbances in the liver of rats treated with 5α-dihydrotestosterone in an animal model of polycystic ovary syndrome

Danijela Vojnović Milutinović et al. Endocrine. 2021 May.

Abstract

Purpose: Polycystic ovary syndrome (PCOS) is a complex reproductive disorder often associated with obesity, insulin resistance, and dyslipidemia. Hormonal changes in PCOS may also include altered glucocorticoid signaling. Our aim was to examine whether alterations in hepatic glucocorticoid signaling are associated with disturbances of glucose and lipid metabolism in animal model of PCOS.

Methods: Female rats, 3 weeks old, were subcutaneously implanted with 5α-dihydrotestosterone (DHT) or placebo pellets for 90 days to induce PCOS. Expression of 11β-hydroxysteroid dehydrogenase 1 (11βHSD1) and A-ring reductases (5α and 5β), as well as intracellular distribution of glucocorticoid receptor (GR) and expression of its regulated genes were examined in the liver. Proteins of hepatic lipid and carbohydrate metabolism and markers of inflammation were also assessed.

Results: DHT treatment induced increase in body and liver mass, as well as in triglycerides and free fatty acids levels in plasma. Elevation of 11βHSD1 and reduction of 5α-reductase expression was observed together with increased hepatic corticosterone concentration and nuclear GR activation. Induced expression of Krüppel-like factor 15 and decreased expression of genes for proinflammatory cytokines and de novo lipogenesis (DNL) were detected in the liver of DHT-treated rats, while DNL regulators and proinflammatory markers were not changed. However, increased mRNA levels of stearoyl-CoA desaturase and apolipoprotein B were observed in DHT animals.

Conclusions: DHT treatment stimulated hepatic glucocorticoid prereceptor metabolism through increased corticosterone availability which is associated with enhanced GR activation. This does not affect gluconeogenesis and DNL, but could be linked to stimulated triglyceride synthesis and hypertriglyceridemia.

Keywords: 5α-Dihydrotestosterone; Glucocorticoids; Liver; Polycystic ovary syndrome; Triglycerides.

PubMed Disclaimer

Similar articles

Cited by

References

    1. G. Conway, D. Dewailly, E. Diamanti-Kandarakis, H.F. Escobar-Morreale, S. Franks, A. Gambineri, F. Kelestimur, D. Macut, D. Micic, R. Dewailly, M. Pfeifer, D. Pignatelli, M. Pugeat, B.O. Yildiz, E. P. S. I. Group, The polycystic ovary syndrome: a position statement from the European Society of Endocrinology. Eur. J. Endocrinol. 171(4), P1–P29 (2014). https://doi.org/10.1530/EJE-14-0253 - DOI - PubMed
    1. H. Jones, V.S. Sprung, C.J. Pugh, C. Daousi, A. Irwin, N. Aziz, V.L. Adams, E.L. Thomas, J.D. Bell, G.J. Kemp, D.J. Cuthbertson, Polycystic ovary syndrome with hyperandrogenism is characterized by an increased risk of hepatic steatosis compared to nonhyperandrogenic PCOS phenotypes and healthy controls, independent of obesity and insulin resistance. J. Clin. Endocrinol. Metab. 97(10), 3709–3716 (2012). https://doi.org/10.1210/jc.2012-1382 - DOI - PubMed
    1. D. Macut, J. Bjekić-Macut, S. Livadas, O. Stanojlović, D. Hrncic, A. Rašić-Marković, D. Vojnović Milutinović, V. Mladenović, Z. Andrić, Nonalcoholic fatty liver disease in patients with polycystic ovary syndrome. Curr. Pharm. Des. 24(38), 4593–4597 (2018). https://doi.org/10.2174/1381612825666190117100751 - DOI - PubMed
    1. A.L.L. Rocha, L.C. Faria, T.C.M. Guimaraes, G.V. Moreira, A.L. Candido, C.A. Couto, F.M. Reis, Non-alcoholic fatty liver disease in women with polycystic ovary syndrome: systematic review and meta-analysis. J. Endocrinol. Investig. 40(12), 1279–1288 (2017). https://doi.org/10.1007/s40618-017-0708-9 - DOI
    1. J.M. Hazlehurst, J.W. Tomlinson, Non-alcoholic fatty liver disease in common endocrine disorders. Eur. J. Endocrinol. 169(2), R27–R37 (2013). https://doi.org/10.1530/EJE-13-0296 - DOI - PubMed

Publication types

LinkOut - more resources