Journal
INTERNATIONAL IMMUNOPHARMACOLOGY
Volume 17, Issue 2, Pages 478-482Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.intimp.2013.07.010
Keywords
Astragalin; Lipopolysaccharide (LPS); Mastitis; Cytokine; Nuclear factor-kappaB (NF-kappa B)
Categories
Funding
- National Natural Science Foundation of China [31272622, 3120195]
- Research Fund for the Doctoral Program of Higher Education of China [20110061130 010, 20120061120098]
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Mastitis is a prevalent and economic disease around the world and defined as infection and inflammation of the mammary gland. Astragalin, a bioactive component isolated from persimmon or Rosa agrestis, has been reported to have anti-inflammatory properties. To investigate the potential therapeutic effect of astragalin in mastitis, a murine model of mastitis was induced by administration of LPS in mammary gland. Astragalin was applied 1 h before and 12 h after LPS treatment. The results showed that astragalin attenuated the infiltration of inflammatory cells, the activity of myeloperoxidase (MPO) and the expression of tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6) and interleukin-1 beta (IL-1 beta) in a dose-dependent manner. Additionally, Western blotting results showed that astragalin efficiently blunt decreased nuclear factor-kappaB (NF-kappa B) activation by inhibiting the degradation and phosphorylation of I kappa B alpha and the nuclear translocation of p65. These results suggested that astragalin exerts anti-inflammatory properties in LPS-mediated mastitis, possibly through inhibiting inhibition of the NF-kappa B signaling pathway, which mediates the expression of pro-inflammatory cytokines. Astragalin may be a potential therapeutic agent against mastitis. (C) 2013 Elsevier B.V. All rights reserved.
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