Cited by 695Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismMuscle Physiology and Disorders

Skeletal muscle inflammation and insulin resistance in obesity

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Wu, Huaizhu, Ballantyne, Christie M.·2017·Journal of Clinical Investigation

Abstract

Obesity is associated with chronic inflammation, which contributes to insulin resistance and type 2 diabetes mellitus. Under normal conditions, skeletal muscle is responsible for the majority of insulin-stimulated whole-body glucose disposal; thus, dysregulation of skeletal muscle metabolism can strongly influence whole-body glucose homeostasis and insulin sensitivity. Increasing evidence suggests that inflammation occurs in skeletal muscle in obesity and is mainly manifested by increased immune cell infiltration and proinflammatory activation in intermyocellular and perimuscular adipose tissue. By secreting proinflammatory molecules, immune cells may induce myocyte inflammation, adversely regulate myocyte metabolism, and contribute to insulin resistance via paracrine effects. Increased influx of fatty acids and inflammatory molecules from other tissues, particularly visceral adipose tissue, can also induce muscle inflammation and negatively regulate myocyte metabolism, leading to insulin resistance.

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Authors
Wu, H., & Ballantyne, C. M.
Affiliations
Houston Methodist (US)
Corresponding author
Ballantyne, Christie M.
Venue
Journal of Clinical Investigation
Published
2017-01-03
Volume
127
Issue
1
Pages
43-54
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W2561422649
Cited by
695
References
171
Citations by year
2026: 66 · 2025: 92 · 2024: 103 · 2023: 84 · 2022: 98 · 2021: 95 · 2020: 76 · 2019: 45 · 2018: 29 · 2017: 7
FWCI
5.69
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Heart Association (AHA16GRNT30410012)
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R01HL098839)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK078847)
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 › Molecular Biology › Muscle Physiology and Disorders
Keywords
skeletal muscle inflammation, insulin resistance, obesity, type 2 diabetes, chronic inflammation, immune cell infiltration, proinflammatory molecules, paracrine signaling, visceral adipose tissue, glucose homeostasis
MeSH terms
Animals, Diabetes Mellitus, Type 2, Glucose, Humans, Inflammation, Insulin Resistance, Myositis, Obesity, Muscle, Skeletal, Muscle Fibers, Skeletal, Intra-Abdominal Fat

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