Cited by 30Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismCardiovascular Disease and Adiposity

Intracellular ATP in balance of pro- and anti-inflammatory cytokines in adipose tissue with and without tissue expansion

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Lee, J H, Zhang, Y, Zhao, Z, Ye, X, Zhang, X, Wang, H, Ye, J·2017·International Journal of Obesity

Abstract

Objectives To understand the mechanism of white fat expansion in the presence of inflammation, we examined the balance of pro- and anti-inflammatory cytokines in epididymal fat during weight gain in diet-induced obese mice.Methods The pro- and anti-inflammatory cytokines were examined in white fat of diet-induced obese mice and lean mice. The mechanism of gene expression was investigated with a focus on intracellular ATP (iATP). ATP activity was tested in cellular and non-cellular systems in activation of serine kinases (IKKβ, JNK and ERK).Results The pro- (tumor necrosis factor-α (TNF-α), interleukin-1 beta (IL-1β), IL-6, monocyte chemoattractant protein 1, interferon gamma and osteopontin) and the anti-inflammatory cytokines (IL-10, IL-1Ra, IL-13, soluble TNF receptor 2, pigment epithelium-derived factor and adiponectin) were increased at the same time during the weight gain. The balance was observed even in the absence of tissue expansion upon feeding in lean and obese mice. The iATP levels were positively associated with the cytokine elevation in the adipose tissue. In macrophages, induction of iATP with lauric acid stimulated the expression. Inhibition of iATP with β-oxidation inhibitor (Etomoxir) or mitochondrial uncoupler (2,4-dinitrophenol, DNP) suppressed the expression. ATP exhibited an activity in the activation of inflammatory kinases (IKKβ, JNK and ERK) in the living cells and cell lysate. The kinase activation was blocked in the cells by ATP inhibition.Conclusions The data suggest that the pro- and anti-inflammatory cytokines are dynamically balanced in the white adipose tissue by iATP.

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  • Proinflammatory adipokine release (TNF-α, IL-1β, IL-6, MCP-1, and IFNγ) seems to be decreased by high DNP concentrations (100 μM) in isolated murine RAW 264.7 macrophages.

    “Proinflammatory adipokine release (TNF-α, IL-1β, IL-6, MCP-1, and IFNγ) also seems to be decreased by high DNP concentrations (100 μM) in isolated murine RAW 264.7 macrophages [271].”

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Authors
Lee, J. H., Zhang, Y., Zhao, Z., Ye, X., Zhang, X., Wang, H., & Ye, J.
Affiliations
  • Pennington Biomedical Research Center (US)
  • Peking University (CN)
  • Shanghai Sixth People's Hospital (CN)
  • Henan Medical University (CN)
Corresponding author
Ye, J
Venue
International Journal of Obesity
Published
2017-02-07
Volume
41
Issue
4
Pages
645-651
ISSN
  • 0307-0565 (ISSN-L)
  • 1476-5497
OpenAlex
W2579519901
Cited by
30
References
30
Citations by year
2025: 2 · 2024: 2 · 2023: 1 · 2022: 2 · 2021: 9 · 2020: 6 · 2019: 2 · 2018: 4 · 2017: 2
FWCI
3.00
Type
journal article
Language
en
Open access
Locations
  • International Journal of Obesity (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (R56DK068036, R01DK085495, R01DK068036, P30DK072476)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Disease and Adiposity
Keywords
intracellular ATP, adipose tissue inflammation, diet-induced obesity, pro- and anti-inflammatory cytokines, epididymal adipose tissue, macrophages, lauric acid, mitochondrial beta-oxidation, etomoxir, 2,4-dinitrophenol, IKKβ, JNK, ERK, adiponectin, TNF-α, IL-1β, interleukin-6
MeSH terms
Pigment Epithelium-Derived Factor, Adenosine Triphosphate, Adipose Tissue, Animals, Disease Models, Animal, Eye Proteins, Gene Expression Regulation, Inflammation, Insulin Resistance, Male, Mice, Inbred C57BL, Mice, Obese, Nerve Growth Factors, Obesity, Tumor Necrosis Factor-alpha, Blotting, Western, Signal Transduction, Tissue Expansion, Serpins, Cytokines, Interleukin-10, 3T3-L1 Cells, Mice, Adiponectin, Adipose Tissue, White, Real-Time Polymerase Chain Reaction

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