Cited by 204Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismEstrogen and related hormone effects

Oestrogen alters adipocyte biology and protects female mice from adipocyte inflammation and insulin resistance

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Stubbins, R. E., Najjar, K., Holcomb, V. B., Hong, J., Núñez, N. P.·2012·Diabetes, Obesity and Metabolism

Abstract

Aims: Obesity is associated with insulin resistance, liver steatosis and low‐grade inflammation. The role of oestrogen in sex differences in the above co‐morbidities is not fully understood. Our aim was to assess the role oestrogen has in modulating adipocyte size, adipose tissue oxidative stress, inflammation, insulin resistance and liver steatosis. Methods: To determine the role oestrogen has in the above co‐morbidities related to obesity, we randomized C57BL/6J mice into four groups (15 mice per group): (i) male, (ii) non‐ovariectomized female (novx), (iii) ovariectomized female (ovx) and (iv) ovariectomized female mice supplemented with 17 β estradiol (ovx‐E). Mice received either a low‐fat (LF) or a high‐fat (HF) diet for 10 weeks. Outcomes measured were bodyweight, body fat, adipocyte diameter, adipose tissue lipolysis markers, adipose tissue oxidative stress, inflammation, insulin resistance and liver steatosis. Results: Male and ovx‐female mice consuming the HF diet had a higher propensity of gaining weight, specifically in the form of body fat. Oestrogen protected female mice from adipocyte hypertrophy and from developing adipose tissue oxidative stress and inflammation. Moreover, novx‐female and ovx‐female+E mice had higher phosphorylated levels of protein kinase A and hormone sensitive lipase, markers associated with lipolysis. Additionally, male and ovx female mice had a higher propensity of developing liver steatosis and insulin resistance. In contrast, oestrogen protected female mice from developing liver steatosis and from becoming insulin resistant. Conclusion: We show that oestrogen protects female mice from adipocyte hypertrophy and adipose tissue oxidative stress and inflammation. Furthermore, oestrogen prevented female mice from developing liver steatosis and from becoming insulin resistant.

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Crossref · 10.1111/j.1463-1326.2011.01488.x

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  • Estrogen prevented female mice from developing liver steatosis and from becoming insulin resistant.

    “Furthermore, estrogen prevented female mice from developing liver steatosis and from becoming insulin resistant [72, 138].”
  • Administration of estrogens to ovariectomized female mice significantly reduces mRNA of IL6, TNFα, and CD68.

    “Administration of estrogens to ovariectomized female mice reduces significantly the mRNA of IL6, TNFα, and CD68.”

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Authors
Stubbins, R. E., Najjar, K., Holcomb, V. B., Hong, J., & Núñez, N. P.
Affiliations
The University of Texas at Austin (US)
Venue
Diabetes, Obesity and Metabolism
Publisher
Wiley
Published
2011-11-22
Volume
14
Issue
1
Pages
58-66
ISSN
  • 1462-8902 (ISSN-L)
  • 1463-1326
OpenAlex
W2166652825
Cited by
204
References
41
Citations by year
2026: 4 · 2025: 13 · 2024: 7 · 2023: 15 · 2022: 8 · 2021: 18 · 2020: 19 · 2019: 16 · 2018: 10 · 2017: 14 · 2016: 16 · 2015: 18 · 2014: 17 · 2013: 19 · 2012: 9
FWCI
11.04
Type
journal article
Language
en
Open access
Locations
  • Diabetes Obesity and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • American Cancer Society
  • Centre National d’Etudes Spatiales
  • National Institutes of Health (5k22ca127519-03)
  • National Cancer Institute (K22 CA127519, 1K22 CA127519-01A1)
  • National Institute of Environmental Health Sciences (R01ES009145, ES09145, P30ES007784, ES 007784)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
estrogen, estradiol, adipocyte hypertrophy, adipose tissue inflammation, insulin resistance, hepatic steatosis, oxidative stress, lipolysis, hormone-sensitive lipase, protein kinase A, ovariectomy, sex differences, obesity, high-fat diet, adipocyte size
MeSH terms
Adipose Tissue, Animals, Blood Glucose, Body Weight, Estrogens, Fatty Liver, Female, Hypertrophy, Inflammation, Insulin Resistance, Lipolysis, Male, Mice, Inbred C57BL, Obesity, Ovariectomy, Random Allocation, Triglycerides, Adipocytes, Diet, Fat-Restricted, Mice, Diet, High-Fat

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