In this study, the signaling mechanism of the polysaccharides isolated from fruiting body of Cordyceps militaris (CM) was investigated in macrophages to evaluate its immuno-stimulating properties. We found that CM was capable of upregulation of NO, ROS, TNF-alpha and phagocytic uptake in mouse peritoneal macrophages and RAW264.7 macrophages. Macrophages activation by CM seemed to occur via activation of NF-kappa B and all three MAPKs pathways through dectin-1 and TLR2 macrophage receptors. Additionally, we showed that CM suppressed in vivo growth of melanoma in an experimental mouse model. Based on these data, we suggested that CM may potentially regulate the immune response. (C) 2011 Elsevier B.V. All rights reserved.
机构:
Univ Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
Chan, Godfrey Chi-Fung
;
Chan, Wing Keung
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Univ Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
Chan, Wing Keung
;
Sze, Daniel Man-Yuen
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机构:
Hong Kong Polytech Univ, Dept Hlth Technol & Informat, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
机构:
Univ Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USAUniv Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USA
Ghobrial, IM
;
Witzig, TE
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机构:Univ Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USA
Witzig, TE
;
Adjei, AA
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机构:Univ Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USA
机构:
Univ Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
Chan, Godfrey Chi-Fung
;
Chan, Wing Keung
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
Chan, Wing Keung
;
Sze, Daniel Man-Yuen
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h-index: 0
机构:
Hong Kong Polytech Univ, Dept Hlth Technol & Informat, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Li Ka Shing Fac Med, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
机构:
Univ Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USAUniv Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USA
Ghobrial, IM
;
Witzig, TE
论文数: 0引用数: 0
h-index: 0
机构:Univ Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USA
Witzig, TE
;
Adjei, AA
论文数: 0引用数: 0
h-index: 0
机构:Univ Pittsburgh, Dept Internal Med, Div Hematol Oncol, Pittsburgh, PA 15260 USA