Cited by 314Gut microbiota and healthOvarian function and disordersOral microbiology and periodontitis research

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Gut Microbiota and the Polycystic Ovary Syndrome: Influence of Sex, Sex Hormones, and Obesity

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Insenser, María, Murri, Mora, del Campo, Rosa, Martínez-García, M Ángeles, Fernández-Durán, Elena, Escobar-Morreale, Héctor F·2018·The Journal of Clinical Endocrinology & Metabolism

Abstract

Context: Gut microbiota play a major role in health and disease by influencing physiology, metabolism, nutrition, and immune function. Objective: To evaluate the composition of gut microbiota in women with polycystic ovary syndrome (PCOS), focusing on the influence of sex, sex hormones and obesity on the associations found. Design: Cross-sectional study. Setting: Academic hospital. Participants: We recruited 15 women with PCOS, 16 nonhyperandrogenic control women, and 15 control men. Participants were classified as nonobese (<30 kg/m2) or obese (≥30 kg/m2) according to their body mass index. Interventions: Standardization of diet for 3 consecutive days (at least 300 g of carbohydrates per day) followed by fecal sampling and a standard 75-g oral glucose tolerance test. Main Outcome Measures: Analysis of bacterial abundance and composition of gut microbiota by massive sequencing of 16S ribosomal DNA amplicons in a MiSeq platform (Illumina). Results: α Bacterial diversity was reduced in women compared with men, and β diversity was reduced particularly in obese patients with PCOS. Women with PCOS presented with specific abnormalities in gut microbiota consisting of an increased abundance of the Catenibacterium and Kandleria genera. When all participants as a whole were considered, indexes of bacterial diversity and the abundance of several bacterial genera correlated positively with serum androgen concentrations and negatively with estradiol levels. Conclusions: The diversity and composition of the gut microbiota of young adults are influenced by the combined effects of sex, sex hormone concentrations, and obesity, presenting with specific abnormalities in women with PCOS.

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Metadata

Authors
Insenser, M., Murri, M., del Campo, R., Martínez-García, M. Á., Fernández-Durán, E., & Escobar-Morreale, H. F.
Affiliations
  • Universidad de Alcalá (ES)
  • Department of Microbiology, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
  • Diabetes Obesity and Human Reproduction Research Group, Department of Endocrinology and Nutrition, Hospital Universitario Ramón y Cajal & Universidad de Alcalá, Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
Corresponding author
Escobar-Morreale, Héctor F
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2018-04-20
Volume
103
Issue
7
Pages
2552-2562
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2799415441
Cited by
312
References
52
Citations by year
2026: 37 · 2025: 40 · 2024: 51 · 2023: 54 · 2022: 41 · 2021: 42 · 2020: 29 · 2019: 16 · 2018: 1
FWCI
7.82
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • European Commission
  • Ministerio de Economía y Competitividad
  • Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas
  • Instituto de Salud Carlos III (PI11/, PIE1600050, PI1100357)
  • European Regional Development Fund (PIE16/00050)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
Keywords
gut microbiota, polycystic ovary syndrome, sex differences, sex hormones, obesity, bacterial diversity, androgens, estradiol, Catenibacterium, hyperandrogenism
MeSH terms
Gastrointestinal Microbiome, Adult, Androgens, Cross-Sectional Studies, Diet, Estradiol, Feces, Female, Glucose Tolerance Test, Humans, Male, Obesity, Polycystic Ovary Syndrome, Sex Factors, Gonadal Steroid Hormones, Body Mass Index, Case-Control Studies, Young Adult

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