Cited by 541Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismPeroxisome Proliferator-Activated Receptors

Insulin resistance in adipose tissue: direct and indirect effects of tumor necrosis factor-α

Ruan, Hong, Lodish, Harvey F·2003·Cytokine & Growth Factor Reviews

Abstract

Insulin resistance is a fundamental defect that precedes the development of the full insulin resistance syndrome as well as beta cell failure and type 2 diabetes. Tumor necrosis factor-alpha (TNF-alpha), a paracrine/autocrine factor highly expressed in adipose tissues of obese animals and human subjects, is implicated in the induction of insulin resistance seen in obesity and type 2 diabetes. Here, we review several molecular aspects of adipose tissue physiology, and highlight the direct effects of TNF-alpha on the functions of adipose tissue including induction of lipolysis, inhibition of insulin signaling, and alterations in expression of adipocyte important genes through activation of NF-kappaB, as well as their pertinence to insulin sensitivity of adipocytes. We also review the ability of TNF-alpha to inhibit synthesis of several adipocyte-specific proteins including Acrp30 (adiponectin) and enhance release of free fatty acids (FFAs) from adipose tissue, and discuss how these factors may act as systemic mediators of TNF-alpha and affect whole body energy homeostasis and overall insulin sensitivity. On the basis of these mechanisms, we examine the therapeutic potential of blocking specific autocrine/paracrine signaling pathways in adipocytes, particularly those involving NF-kappaB, in the treatment of type 2 diabetes.

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Registry

Crossref · 10.1016/s1359-6101(03)00052-2

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122 of 122 references verified0 citation errors · 0 not checkable

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  • TNF-α plays a direct role in metabolic syndrome via a direct effect on insulin signaling.

    “Growing evidence suggests that TNF-α plays a direct role in metabolic syndrome, via direct effect of TNF-α on insulin signaling [35, 36].”

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Authors
Ruan, H., & Lodish, H. F.
Affiliations
Whitehead Institute for Biomedical Research (US)
Corresponding author
Lodish, Harvey F
Venue
Cytokine & Growth Factor Reviews
Publisher
Elsevier BV
Published
2003-10
Volume
14
Issue
5
Pages
447-455
ISSN
1359-6101 (ISSN-L)
OpenAlex
W2055844905
Cited by
541
References
122
Citations by year
2026: 7 · 2025: 15 · 2024: 11 · 2023: 14 · 2022: 11 · 2021: 20 · 2020: 11 · 2019: 19 · 2018: 16 · 2017: 23 · 2016: 18 · 2015: 20 · 2014: 28 · 2013: 26 · 2012: 36
FWCI
4.59
Type
journal article
Language
en
Open access
closed
Locations
  • Cytokine & Growth Factor Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • American Diabetes Association
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (R37DK047618)
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 › Peroxisome Proliferator-Activated Receptors
Keywords
insulin resistance, adipose tissue, TNF-α, type 2 diabetes, obesity, lipolysis, insulin signaling, NF-κB, adiponectin, free fatty acids, energy homeostasis, adipocyte gene expression, autocrine and paracrine signaling, anti-inflammatory therapy
MeSH terms
Adipose Tissue, Animals, Diabetes Mellitus, Type 2, Energy Metabolism, Fatty Acids, Nonesterified, Humans, Insulin, Insulin Resistance, Proteins, Tumor Necrosis Factor-alpha, Intercellular Signaling Peptides and Proteins, Adiponectin

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