Article ; Online: 7,8-Dihydroxyflavone Attenuates Inflammatory Response and Insulin Resistance Induced by the Paracrine Interaction between Adipocytes and Macrophages.
International journal of molecular sciences
2023 Volume 24, Issue 4
Abstract: ... tumor necrosis factor-alpha (TNF-α), and interleukin-6 (IL-6) and FFA secretion but suppressed the production ...
Abstract | Obesity-induced inflammation and insulin resistance are mediated by macrophage infiltration into adipose tissue. We investigated the effects of 7,8-dihydroxyflavone (7,8-DHF), a flavone found in plants, on the inflammatory response and insulin resistance induced by the interaction between adipocytes and macrophages. Hypertrophied 3T3-L1 adipocytes were cocultured with RAW 264.7 macrophages and treated with 7,8-DHF (3.12, 12.5, and 50 μM). The inflammatory cytokines and free fatty acid (FFA) release were evaluated by assay kits, and signaling pathways were determined by immunoblotting. Coculture of adipocytes and macrophages increased inflammatory mediators, such as nitric oxide (NO), monocyte chemoattractant protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-α), and interleukin-6 (IL-6) and FFA secretion but suppressed the production of anti-inflammatory adiponectin. 7,8-DHF counteracted the coculture-induced changes ( |
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MeSH term(s) | Animals ; Mice ; 3T3-L1 Cells ; Adipocytes/metabolism ; Coculture Techniques ; Inflammation/metabolism ; Insulin/metabolism ; Insulin Resistance ; Macrophages/metabolism ; Obesity/metabolism ; Tumor Necrosis Factor-alpha/metabolism ; Flavones/metabolism ; Flavones/pharmacology ; Paracrine Communication |
Chemical Substances | 6,7-dihydroxyflavone ; Insulin ; Tumor Necrosis Factor-alpha ; Flavones |
Language | English |
Publishing date | 2023-02-09 |
Publishing country | Switzerland |
Document type | Journal Article |
ZDB-ID | 2019364-6 |
ISSN | 1422-0067 ; 1422-0067 ; 1661-6596 |
ISSN (online) | 1422-0067 |
ISSN | 1422-0067 ; 1661-6596 |
DOI | 10.3390/ijms24043520 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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