Cited by 215Ovarian function and disordersAdipokines, Inflammation, and Metabolic DiseasesLipid metabolism and biosynthesis

The DOI matches its Crossref record; 47 of the 48 references it cites were found in a registry or an index.

AKR1C3-Mediated Adipose Androgen Generation Drives Lipotoxicity in Women With Polycystic Ovary Syndrome

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Abstract

Context: Polycystic ovary syndrome (PCOS) is a prevalent metabolic disorder occurring in up to 10% of women of reproductive age. PCOS is associated with insulin resistance and cardiovascular risk. Androgen excess is a defining feature of PCOS and has been suggested as causally associated with insulin resistance; however, mechanistic evidence linking both is lacking. We hypothesized that adipose tissue is an important site linking androgen activation and metabolic dysfunction in PCOS. Methods: We performed a human deep metabolic in vivo phenotyping study examining the systemic and intra-adipose effects of acute and chronic androgen exposure in 10 PCOS women, in comparison with 10 body mass index-matched healthy controls, complemented by in vitro experiments. Results: PCOS women had increased intra-adipose concentrations of testosterone (P = 0.0006) and dihydrotestosterone (P = 0.01), with increased expression of the androgen-activating enzyme aldo-ketoreductase type 1 C3 (AKR1C3) (P = 0.04) in subcutaneous adipose tissue. Adipose glycerol levels in subcutaneous adipose tissue microdialysate supported in vivo suppression of lipolysis after acute androgen exposure in PCOS (P = 0.04). Mirroring this, nontargeted serum metabolomics revealed prolipogenic effects of androgens in PCOS women only. In vitro studies showed that insulin increased adipose AKR1C3 expression and activity, whereas androgen exposure increased adipocyte de novo lipid synthesis. Pharmacologic AKR1C3 inhibition in vitro decreased de novo lipogenesis. Conclusions: These findings define an intra-adipose mechanism of androgen activation that contributes to adipose remodeling and a systemic lipotoxic metabolome, with intra-adipose androgens driving lipid accumulation and insulin resistance in PCOS. AKR1C3 represents a promising therapeutic target in PCOS.

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Metadata

Authors
O’Reilly, M. W., Kempegowda, P., Walsh, M., Taylor, A. E., Manolopoulos, K. N., Allwood, J. W., Semple, R. K., Hebenstreit, D., Dunn, W. B., Tomlinson, J. W., & Arlt, W.
Affiliations
  • University of Birmingham (GB)
  • University of Warwick (GB)
  • University of Cambridge (GB)
  • Churchill Hospital (GB)
  • NIHR Birmingham Liver Biomedical Research Unit (GB)
Corresponding author
Arlt, Wiebke
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2017-06-22
Volume
102
Issue
9
Pages
3327-3339
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2684997942
Cited by
215
References
48
Citations by year
2026: 30 · 2025: 36 · 2024: 23 · 2023: 25 · 2022: 21 · 2021: 24 · 2020: 21 · 2019: 20 · 2018: 14 · 2017: 1
FWCI
17.73
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Warwick Research Archive Portal (University of Warwick) (acceptedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion, cc-by)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Apollo (cc-by)
Funders
  • Bayer
  • Wellcome Trust (099909, 098498/Z/12/Z, 092283, WT098498)
  • National Institute for Health and Care Research
  • National Institutes of Health
  • Directorate for Biological Sciences
  • Medical Research Council (MR/M009157/1, MR/P011462/1)
  • Biotechnology and Biological Sciences Research Council (BB/L006340/1)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
polycystic ovary syndrome, AKR1C3, testosterone, dihydrotestosterone, lipotoxicity, insulin resistance, lipolysis, de novo lipogenesis, adipose tissue remodeling, serum metabolomics, insulin signaling
MeSH terms
Aldo-Keto Reductase Family 1 Member C3, Adolescent, Adult, Analysis of Variance, Androgens, Cells, Cultured, Dehydroepiandrosterone, Female, Humans, Hydroxyprostaglandin Dehydrogenases, Insulin Resistance, Lipolysis, Polycystic Ovary Syndrome, Reference Values, 3-Hydroxysteroid Dehydrogenases, Biomarkers, Case-Control Studies, Adipocytes, Statistics, Nonparametric, Area Under Curve, Subcutaneous Fat, Lipid Metabolism, Young Adult, Real-Time Polymerase Chain Reaction

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