Inflammatory changes in adipose tissue enhance expression of GPR84, a medium-chain fatty acid receptor: TNFα enhances GPR84 expression in adipocytes

Hiroshi Nagasaki, Takaaki Kondo, Masahiro Fuchigami, Hiroyuki Hashimoto, Yoshihisa Sugimura, Nobuaki Ozaki, Hiroshi Arima, Akira Ota, Yutaka Oiso, Yoji Hamada

研究成果: Article

45 引用 (Scopus)

抜粋

In this study we aimed to identify the physiological roles of G protein-coupled receptor 84 (GPR84) in adipose tissue, together with medium-chain fatty acids (MCFAs), the specific ligands for GPR84. In mice, high-fat diet up-regulated GPR84 expression in fat pads. In 3T3-L1 adipocytes, co-culture with a macrophage cell line, RAW264, or TNFα remarkably enhanced GPR84 expression. In the presence of TNFα, MCFAs down-regulated adiponectin mRNA expression in 3T3-L1 adipocytes. Taken together, our results suggest that GPR84 emerges in adipocytes in response to TNFα from infiltrating macrophages and exacerbates the vicious cycle between adiposity and diabesity.

元の言語English
ページ(範囲)368-372
ページ数5
ジャーナルFEBS Letters
586
発行部数4
DOI
出版物ステータスPublished - 17-02-2012

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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