Cited by 25Estrogen and related hormone effectsAdipokines, Inflammation, and Metabolic DiseasesMetabolism, Diabetes, and Cancer

Endothelial ERα promotes glucose tolerance by enhancing endothelial insulin transport to skeletal muscle

Open access
Sacharidou, Anastasia, Chambliss, Ken, Peng, Jun, Barrera, Jose, Tanigaki, Keiji, Luby-Phelps, Katherine, Özdemir, İpek, Khan, Sohaib +11 more·2023·Nature Communications

Abstract

The estrogen receptor (ER) designated ERα has actions in many cell and tissue types that impact glucose homeostasis. It is unknown if these include mechanisms in endothelial cells, which have the potential to influence relative obesity, and processes in adipose tissue and skeletal muscle that impact glucose control. Here we show that independent of impact on events in adipose tissue, endothelial ERα promotes glucose tolerance by enhancing endothelial insulin transport to skeletal muscle. Endothelial ERα-deficient male mice are glucose intolerant and insulin resistant, and in females the antidiabetogenic actions of estradiol (E2) are absent. The glucose dysregulation is due to impaired skeletal muscle glucose disposal that results from attenuated muscle insulin delivery. Endothelial ERα activation stimulates insulin transcytosis by skeletal muscle microvascular endothelial cells. Mechanistically this involves nuclear ERα-dependent upregulation of vesicular trafficking regulator sorting nexin 5 (SNX5) expression, and PI3 kinase activation that drives plasma membrane recruitment of SNX5. Thus, coupled nuclear and non-nuclear actions of ERα promote endothelial insulin transport to skeletal muscle to foster normal glucose homeostasis.

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  1. [48]Tanigaki K Hyposialylated IgG activates endothelial IgG receptor FcgammaRIIB to promote obesity-induced insulin resistance J. Clin. Invest. 2018 128 309 322 29202472 PMC5749535
  2. [71]Tanigaki K C-reactive protein causes insulin resistance in mice through Fcgamma receptor IIB-mediated inhibition of skeletal muscle glucose delivery Diabetes 2013 62 721 731 23069625 PMC3581204

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Authors
Sacharidou, A., Chambliss, K., Peng, J., Barrera, J., Tanigaki, K., Luby-Phelps, K., Özdemir, İ., Khan, S., Sirsi, S. R., Kim, S. H., Katzenellenbogen, B. S., Katzenellenbogen, J. A., Kanchwala, M., Sathe, A. A., Lemoff, A., Xing, C., Hoyt, K., Mineo, C., & Shaul, P. W.
Affiliations
  • The University of Texas Southwestern Medical Center (US)
  • The University of Texas at Dallas (US)
  • University of Illinois Urbana-Champaign (US)
Corresponding author
  • Mineo, Chieko
  • Shaul, Philip W.
Venue
Nature Communications
Published
2023-08-17
Volume
14
Issue
1
Pages
4989-4989
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4385954947
Cited by
25
References
85
Citations by year
2026: 6 · 2025: 13 · 2024: 5 · 2023: 1
FWCI
4.15
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • U.S. Department of Health & Human Services | NIH | National Heart, Lung, and Blood Institute (HL144572, HL098040)
  • American Heart Association (19POST34390001)
  • Breast Cancer Research Foundation (BCRF-083, BCRF-084)
  • U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (DK015556, DK126833, DK110127)
  • U.S. Department of Health & Human Services | NIH | National Cancer Institute (CA220284)
  • U.S. Department of Health & Human Services | NIH | National Institute of Biomedical Imaging and Bioengineering (EB025841)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
estrogen receptor alpha, endothelial cells, glucose tolerance, insulin resistance, PI3-kinase, estradiol, glucose homeostasis, obesity
MeSH terms
Animals, Female, Glucose, Insulin, Male, Receptors, Estrogen, Muscle, Skeletal, Endothelial Cells, Estrogen Receptor alpha, Mice

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