Document Detail


Fisetin Inhibits Lipopolysaccharide-Induced Macrophage Activation and Dendritic Cell Maturation.
MedLine Citation:
PMID:  20923145     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Macrophages and dendritic cells are required for initiating innate immunity and adaptive immunity. Aberrant activation of macrophages and dendritic cells can cause detrimental immune responses; thus, agents effectively modulating their functions are of great clinical value. We herein investigated whether fisetin, a flavonoid prevalently present in fruits and vegetables, could inhibit macrophage activation and dendritic cell maturation. Fisetin suppressed LPS-induced NF-κB activation, expression of pro-inflammatory proteins (TNF-α and iNOS), MMP-9 activity, and phagocytic activity in macrophages. Furthermore, upon LPS-induced dendritic cell maturation, fisetin at nontoxic concentrations suppressed the expression of costimulatory molecules (CD80 and CD86), the production of cytokines (IL-12, IL-6, and TNF-α), and the endocytic activity of dendritic cells. Fisetin treatment significantly attenuated migration of dendritic cells into spleens and dendritic cell-mediated T cell activation in LPS-treated mice. Collectively, our data reveal that fisetin inhibits macrophage activation and impairs functional maturation of dendritic cells.
Authors:
Sheng-Hung Liu; Chao-Hsiung Lin; Shih-Kai Hung; Jen-Hwey Chou; Chin-Wen Chi; Shu-Ling Fu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2010-10-5
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  -     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Institute of Traditional Medicine.
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