Cited by 170Mitochondrial Function and PathologyAdipose Tissue and MetabolismEstrogen and related hormone effects

17β-estradiol directly lowers mitochondrial membrane microviscosity and improves bioenergetic function in skeletal muscle

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Torres, Maria J., Kew, Kim A., Ryan, Terence E., Pennington, Edward Ross, Lin, Chien-Te, Buddo, Katherine A., Fix, Amy M., Smith, Cheryl A. +7 more·2018·Cell Metabolism

Abstract

Menopause results in a progressive decline in 17β-estradiol (E2) levels, increased adiposity, decreased insulin sensitivity, and a higher risk for type 2 diabetes. Estrogen therapies can help reverse these effects, but the mechanism(s) by which E2 modulates susceptibility to metabolic disease is not well understood. In young C57BL/6N mice, short-term ovariectomy decreased-whereas E2 therapy restored-mitochondrial respiratory function, cellular redox state (GSH/GSSG), and insulin sensitivity in skeletal muscle. E2 was detected by liquid chromatography-mass spectrometry in mitochondrial membranes and varied according to whole-body E2 status independently of ERα. Loss of E2 increased mitochondrial membrane microviscosity and H 2 O 2 emitting potential, whereas E2 administration in vivo and in vitro restored membrane E2 content, microviscosity, complex I and I + III activities, H 2 O 2 emitting potential, and submaximal OXPHOS responsiveness. These findings demonstrate that E2 directly modulates membrane biophysical properties and bioenergetic function in mitochondria, offering a direct mechanism by which E2 status broadly influences energy homeostasis.

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  • 17β-estradiol can directly reduce the microviscosity of mitochondrial membrane and bioenergetic function in skeletal muscle without dependence on its receptor.

    “A recent study also showed that 17β-estradiol could directly reduce the microviscosity of mitochondrial membrane and bioenergetic function in skeletal muscle without dependence on its receptor (135).”

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Authors
Torres, M. J., Kew, K. A., Ryan, T. E., Pennington, E. R., Lin, C.-T., Buddo, K. A., Fix, A. M., Smith, C. A., Gilliam, L. A., Karvinen, S., Lowe, D. A., Spangenburg, E. E., Zeczycki, T. N., Shaikh, S. R., & Neufer, P. D.
Affiliations
  • East Carolina University (US)
  • University of Minnesota (US)
Corresponding author
Neufer, P. Darrell
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2018-01
Volume
27
Issue
1
Pages
167-179.e7
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2766307829
Cited by
170
References
91
Citations by year
2026: 15 · 2025: 20 · 2024: 24 · 2023: 14 · 2022: 23 · 2021: 22 · 2020: 19 · 2019: 16 · 2018: 17
FWCI
5.81
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • The Scholarship East Carolina University's Institutional Repository (East Carolina University) (submittedVersion)
Funders
  • U.S. Public Health Services (R01 HL123647, R01 AT008375)
  • ADA (R01 AG031743, R01 DK096907, R01 DK110656)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
estradiol, skeletal muscle bioenergetics, menopause, ovariectomy, estrogen therapy, mitochondrial respiration, oxidative phosphorylation, hydrogen peroxide emission, redox state, glutathione, insulin sensitivity, type 2 diabetes, energy homeostasis
MeSH terms
Animals, Diabetes Mellitus, Experimental, Electron Transport, Energy Metabolism, Estradiol, Female, Glucose, Homeostasis, Mice, Inbred C57BL, Mitochondria, Obesity, Ovary, Oxidation-Reduction, Viscosity, Muscle, Skeletal, Cell Respiration, Electron Transport Complex I, Adiposity, Mitochondrial Membranes, Cellular Microenvironment

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