Polysaccharides, extracted from Lycium barbarum (LBPs), display a wide variety of biological activities. However, the neuroprotective effects of LBPs remain poorly understood. The present study aimed to investigate the inhibitory effects of LBPs on production of lipopolysaccharide (LPS)-induced pro-inflammatory mediators in BV2 microglia. Our data showed that LPS induced the activation of NFκB and its upstream caspase 3 and upregulated the expression of another apoptosis-inducing factor, HSP60 in BV2 microglia cells and increased the release of TNF-α and HSP60 in culture media. After LBPs treatment, activated NFκB and caspase 3 were significantly suppressed. The enhanced expression of HSP60 was reduced and LPS induced release of TNF-α and HSP60 were inhibited. These results suggest that LBPs may offer substantial therapeutic potential for treatment of neurodegenerative diseases that are accompanied by microglia activation.
37th Congress of IUPS (Birmingham, UK) (2013) Proc 37th IUPS, PCA131
Poster Communications: Neuroprotective effects of Lycium barbarum polysaccharides in lipopolysaccharide-induced BV2 microglia cells
Y. Wang1, Y. Li1, P. Teng1, X. Hou2, L. Wang2, Q. Qi1, L. Zhou3, Y. Shen3, Y. Zhang1, Z. Miao1
1. Ningxia Medical University, Yinchuan, China. 2. General Hospital of Ningxia Medical University, Yinchuan, China. 3. Zhejiang University, Hangzhou, China.
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Where applicable, experiments conform with Society ethical requirements.