期刊
JOURNAL OF ETHNOPHARMACOLOGY
卷 103, 期 2, 页码 217-222出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jep.2005.08.010
关键词
Ganoderma lucidum; TNF-alpha; IL-6; IFN-gamma; NF-kappa B
Ganoderma lucidum is a popular medicinal mushroom in China and Japan for its immunomodulatory and antitumor effects. The goal of this research is to investigate the effect of dried mycelia of Ganoderina lucidum produced by submerged cultivation on the enhancement of innate immune response. We found that Ganoderma lucidum mycelia (0.2-1.6 mg/ml) stimulated TNF-alpha. and IL-6 production after 8 h treatment in human whole blood. IFN-gamma release from human whole blood was also enhanced after 3 day-culture with Ganoderma lucidum mycelia (0.2-1.0 mg/ml). However, Ganoderma lucidum mycelia did not potentiate nitric oxide production in RAW264.7 cells. To better understand the possible immuno-enhancement mechanisms involved, we focused on nuclear factor (NF)-kappa B activation. Electrophoretic mobility shift assay revealed that the Ganodernia lucidum mycelia (1.6 mg/ml) activated kappa B DNA binding activity in RAW264.7 cells. These results provide supporting evidences for the immunomodulatory effect of Ganoderma lucidum mycelia. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
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