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Cyanidin and Cyanidin-3-O-β-D-glucoside Suppress the Inflammatory Responses of Obese Adipose Tissue by Inhibiting the Release of Chemokines MCP-1 and MRP-2

  • Choe, Mi-Ran (Department of Food Science and Nutrition, University of Ulsan) ;
  • Kang, Ji-Hye (Department of Food Science and Nutrition, University of Ulsan) ;
  • Yoo, Hoon (Department of Pharmacology and Dental Therapeutics, College of Dentistry, Chosun University) ;
  • Yang, Chae-Ha (Department of Physiology, College of Oriental Medicine, Daegu Haany University) ;
  • Kim, Mi-Ok (Department of Health Diet, Daegu Health College) ;
  • Yu, Ri-Na (Department of Food Science and Nutrition, University of Ulsan) ;
  • Choe, Suck-Young (Department of Food Science and Nutrition, University of Ulsan)
  • Published : 2007.09.30

Abstract

Obesity-induced inflammation plays a crucial role in obesity-related pathologies such as type II diabetes and atherosclerosis. Adipose tissue macrophages and the cell-derived proinflammatory chemokines are key components in augmenting inflammatory responses in obesity. Anthocyanins such as cyanidin and $cyanidin-3-O-{\beta}-D-glucoside$ (C3G) are known to elicit anti-inflammatory activities by suppressing the production of proinflammatory mediators such as tumor necrosis factor alpha and nitric oxide in LPS-stimulated macrophages. In the present study, we investigated whether cyanidin and C3G have the potential to suppress the inflammatory responses of adipose cells. Cyanidin and C3G not only suppressed the migration of RAW 264.7 macrophages induced by mesenteric adipose tissue-conditioned medium, but also inhibited the activation of the cells to produce inflammatory chemokines such as monocyte chemoattractant protein-1 (MCP-1) and macrophage inflammatory protein-related protein-2 (MRP-2) in a dose-dependent manner. Cyanidin and C3G also inhibited the release of MCP-1 and MRP-2 from adipocytes and/or macrophages. These findings suggest that cyanidin and C3G may suppress the inflammatory responses of adipose tissue in obesity.

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