Cited by 411Ovarian function and disordersDiabetes, Cardiovascular Risks, and LipoproteinsGenetic and Kidney Cyst Diseases

Obesity and Polycystic Ovary Syndrome: Implications for Pathogenesis and Novel Management Strategies

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Barber, Thomas M, Hanson, Petra, Weickert, Martin O, Franks, Stephen·2019·Clinical Medicine Insights: Reproductive Health

Abstract

Polycystic ovary syndrome (PCOS) is a common female condition typified by reproductive, hyperandrogenic, and metabolic features. Polycystic ovary syndrome is a genetic condition, exacerbated by obesity. There is a close link between obesity and PCOS based on epidemiological data, and more recently corroborated through genetic studies. There are many mechanisms mediating the effects of weight-gain and obesity on the development of PCOS. The metabolic effects of insulin resistance and steroidogenic and reproductive effects of hyperinsulinaemia are important mechanisms. Adipokine production by subcutaneous and visceral fat appears to play a part in metabolic function. However, given the complexity of PCOS pathogenesis, it is important also to consider possible effects of PCOS on further weight-gain, or at least on hampering attempts at weight-loss and maintenance through lifestyle changes. Possible mediators of these effects include changes in energy expenditure, mental ill health, or physical inactivity. In this brief review, we discuss the main mechanisms that underlie the association between obesity and PCOS, from divergent perspectives of weight-gain contributing to development of PCOS and vice versa. We also consider novel management options for women with obesity and PCOS.

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  • This would explain why lean women have all the same clinical, biochemical and endocrine features, although possibly less severe, than overweight and obese women with PCOS.

    “This would explain why lean women have all the same clinical, biochemical and endocrine features, although possibly less severe, than overweight and obese women with PCOS [186].”

    From Polycystic Ovary Syndrome: An Evolutionary Adaptation to Lifestyle and the Environment (2022) · cites this paper as [186]

    The Abstract describes PCOS as a genetic condition exacerbated by obesity, and the 'Insulin resistance and fat distribution' section says weight gain worsens its metabolic, reproductive, and hyperandrogenic features. This supports the possibility of less severe features in lean women, but the paper does not establish that lean women have all the same clinical, biochemical, and endocrine features as overweight or obese women with PCOS. No page numbers were available in our copy. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Multiple lines of evidence from evolutionary history, genetic and twin studies support a genetic basis for obesity and differences in obese and lean phenotypes in women with PCOS.

    “Multiple lines of evidence from evolutionary history, genetic and twin studies, support a genetic basis for obesity and differences in obese and lean phenotypes in women with PCOS [183,184,185,186].”

    From Polycystic Ovary Syndrome: An Evolutionary Adaptation to Lifestyle and the Environment (2022) · cites this paper as [186]

    The ‘Genetic factors in the development of PCOS’ section states that genetics contribute to both PCOS and obesity and describes genetic evidence linking them; its references include a twin-family study. The paper does not present evolutionary history as evidence for this genetic link or establish that genetic factors explain differences between obese and lean phenotypes in women with PCOS. Page numbers were not available in our copy. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • There is wide heterogeneity in reports examining the relationship between body composition measures, including extent of VAT and metabolic changes such as insulin resistance.

    “Consequently, there is wide heterogeneity in reports examining the relationship between body composition measures, including extent of VAT and metabolic changes such as IR [186].”

    From Polycystic Ovary Syndrome: An Evolutionary Adaptation to Lifestyle and the Environment (2022) · cites this paper as [186]

    In ‘Insulin resistance and fat distribution in the development of PCOS’ (page unavailable), the review describes differing methods and limitations in studies measuring visceral fat, and reports insulin-resistance differences despite equivalent visceral fat in a matched comparison. This supports uncertainty about the relationship in PCOS, but it does not establish the claimed wide heterogeneity in reported relationships between body composition and insulin resistance. (LLM, conf=0.79)

    Experimental — accuracy not yet measured
  • The majority of women with PCOS are overweight or obese, with reported prevalence ranging from 38% to 88%.

    “The majority of women with PCOS are overweight or obese and evidence indicates that the microbiome of obese individuals is capable of extracting more energy from the host diet compared with the microbiome of lean individuals [132].”

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Authors
Barber, T. M., Hanson, P., Weickert, M. O., & Franks, S.
Affiliations
  • University Hospital Coventry (GB)
  • Imperial College London (GB)
Corresponding author
Barber, Thomas M
Venue
Clinical Medicine Insights: Reproductive Health
Published
2019-01
Volume
13
Pages
1179558119874042-1179558119874042
ISSN
1179-5581 (ISSN-L)
OpenAlex
W2972935931
Cited by
411
References
22
Citations by year
2026: 51 · 2025: 79 · 2024: 95 · 2023: 66 · 2022: 63 · 2021: 43 · 2020: 14
FWCI
4.23
Type
journal article
Language
en
Open access
Locations
  • Clinical Medicine Insights Reproductive Health (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Warwick Research Archive Portal (University of Warwick) (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Spiral (Imperial College London) (submittedVersion, cc-by-nc)
Funders
National Institute for Health and Care Research (ACF-2014-08-004)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Kidney Cyst Diseases
Keywords
polycystic ovary syndrome, obesity, PCOS pathogenesis, insulin resistance, hyperinsulinemia, adipokines, visceral fat, weight gain, weight loss, lifestyle intervention, energy expenditure, mental health, physical inactivity, hyperandrogenism, metabolic dysfunction

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