Cited by 218Gut microbiota and healthExtracellular vesicles in diseaseAdipokines, Inflammation, and Metabolic Diseases

Gut microbe-derived extracellular vesicles induce insulin resistance, thereby impairing glucose metabolism in skeletal muscle

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Choi, Youngwoo, Kwon, Yonghoon, Kim, Dae-Kyum, Jeon, Jinseong, Jang, Su Chul, Wang, Taejun, Ban, Minjee, Kim, Min-Hye +7 more·2015·Scientific Reports

Abstract

Gut microbes might influence host metabolic homeostasis and contribute to the pathogenesis of type 2 diabetes (T2D), which is characterized by insulin resistance. Bacteria-derived extracellular vesicles (EVs) have been suggested to be important in the pathogenesis of diseases once believed to be non-infectious. Here, we hypothesize that gut microbe-derived EVs are important in the pathogenesis of T2D.In vivo administration of stool EVs from high fat diet (HFD)-fed mice induced insulin resistance and glucose intolerance compared to regular diet (RD)-fed mice. Metagenomic profiling of stool EVs by 16S ribosomal DNA sequencing revealed an increased amount of EVs derived from Pseudomonas panacis(phylum Proteobacteria) in HFD mice compared to RD mice. Interestingly,P. panacis EVs blocked the insulin signaling pathway in both skeletal muscle and adipose tissue. Moreover, isolated P. panacis EVs induced typical diabetic phenotypes, such as glucose intolerance after glucose administration or systemic insulin injection. Thus, gut microbe-derived EVs might be key players in the development of insulin resistance and impairment of glucose metabolism promoted by HFD.

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Authors
Choi, Y., Kwon, Y., Kim, D.-K., Jeon, J., Jang, S. C., Wang, T., Ban, M., Kim, M.-H., Jeon, S. G., Kim, M.-S., Choi, C. S., Jee, Y.-K., Gho, Y. S., Ryu, S. H., & Kim, Y.-K.
Affiliations
  • Pohang University of Science and Technology (KR)
  • Ewha Womans University (KR)
  • Gachon University (KR)
  • Dankook University Hospital (KR)
Corresponding author
Kim, Yoon-Keun
Venue
Scientific Reports
Published
2015-10-29
Volume
5
Issue
1
Pages
15878-15878
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2306506161
Cited by
218
References
40
Citations by year
2026: 20 · 2025: 32 · 2024: 30 · 2023: 38 · 2022: 17 · 2021: 31 · 2020: 18 · 2019: 16 · 2018: 5 · 2017: 10 · 2016: 1
FWCI
2.31
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Open Access System for Information Sharing (Pohang University of Science and Technology) (submittedVersion)
Funders
  • National Research Foundation
  • Ministry of Agriculture, Food and Rural Affairs
  • National Research Foundation of Korea
  • Korea Food Research Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
gut microbiota, extracellular vesicles, insulin resistance, type 2 diabetes, glucose metabolism, skeletal muscle, high-fat diet, insulin signaling, impaired glucose tolerance, adipose tissue, gut-brain axis
MeSH terms
Extracellular Vesicles, Animals, Glucose, Insulin Resistance, Intestines, Pseudomonas, Muscle, Skeletal, Mice

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