Journal
BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE
Volume 11, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1472-6882-11-100
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Funding
- Shandong Province Higher Educational Science and Technology [J08LH62]
- NNSF [30800301, 31170992]
- Ministry of Science and Technology [2010ZX09102-201-018]
- Chinese Academy of Sciences [KSCX2-YW-R-254, KSCX2-EW-Q-18, KSCX2-EW-J-8]
- Natural Science Foundation of Shandong Province [Y2007C078]
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Background: The roots of Sophora flavescens (Leguminosae) have been used in East Asian countries as an herbal medicine and a food ingredient for thousands of years. The aim of the present study was to investigate the effects of S. flavescens fermentation on endotoxin-induced uveitis (EIU) in rats. Methods: EIU was induced in rats via a footpad injection of lipopolysaccharide (LPS). Immediately after the LPS inoculation, fermented and non-fermented extracts of S. flavescens (FSE and NFSE, respectively) were administered orally, and the aqueous humor was collected from both eyes 24 hours later. The anti-inflammatory effects of FSE and NFSE were examined in terms of regulation of nuclear factor kappa B (NF-kappa B) activation and the expression of interleukin-1 beta (IL-1 beta), tumor necrosis factor-alpha (TNF-alpha), inducible nitric oxide synthase (iNOS), intercellular cell adhesion molecule (ICAM)-1, and cyclooxygenase-2 (COX-2). The regulation of maleic dialdehyde (MDA) levels and polymorphonuclear cell (PMN) infiltration by FSE and NFSE were also examined. Results: Treatment with FSE significantly inhibited LPS-induced increases in IL-1 beta and TNF-alpha production and the expression of iNOS, ICAM-1 and COX-2. Moreover, FSE suppressed LPS-induced NF-kappa B activation, and reduced both MDA levels and infiltration by PMN. Conclusion: These results indicate that solid state fermentation may enhance the anti-inflammatory effects of S. flavescens.
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