Journal
VETERINARY MEDICINE AND SCIENCE
Volume 8, Issue 2, Pages 517-523Publisher
WILEY
DOI: 10.1002/vms3.713
Keywords
adipokine; canine; obesity; peripheral blood mononuclear cell; pro-inflammatory cytokine
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Funding
- Research Institute for Veterinary Science, Seoul National University
- Basic Science Research Program of the National Research Foundation of Korea
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This study evaluated the role of PBMCs in obesity-related chronic inflammation and found that the gene expression levels of inflammation-related adipokines and pro-inflammatory cytokines were altered in PBMCs, potentially contributing to the low-grade chronic inflammation observed in obesity.
Background: Peripheral blood mononuclear cells (PBMCs) have been identified as a possible marker of inflammation in obesity. Understanding the expression of pro- and anti-inflammatory cytokines in PBMCs in obese dogs will help control obesity-related inflammatory diseases. Objectives: The aim of this study was to evaluate the role of PBMCs in obesity-associated chronic inflammation by analyzing the expression of adipokines and inflammatory cytokines. Methods: Blood samples were obtained from 25 subjects and real-time quantitative polymerase chain reaction determinations were performed to quantify the gene expression levels of adipokines and inflammatory cytokines, including TNF-alpha, IL-17, leptin, MCP-1, and adiponectin, in the PBMCs. Results: The results showed that the gene expression levels of TNF-alpha (p < 0.001), IL-17 (p < 0.0001), and leptin (p < 0.0001) were strongly upregulated in the PBMCs of obese dogs compared to that in non-obese dogs. Conclusions: The changes in gene expression levels of inflammation-related adipokines and pro-inflammatory cytokines occur in PBMCs, which may contribute to the low-grade chronic inflammation that is present in obesity.
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