GLIS, a bioactive proteoglycan fraction from Ganoderma lucidum, displays anti-tumour activity by increasing both humoral and cellular immune response
文献类型: 外文期刊
作者: Zhang, Jingsong 1 ; Tang, Qingjiu 1 ; Zhou, Changyan 1 ; Jia, Wei 1 ; Da Silva, Luis 3 ; Nguyen, Long Duc 1 ; Reutter, 1 ;
作者机构: 1.Charite Univ Med Berlin, Inst Mol Biol & Biochem, CBF, D-14195 Berlin, Germany
2.Shanghai Acad Agr Sci, Edible Fungi Inst, Shanghai, Peoples R China
3.Charite Univ Med Berlin, Inst Physiol, CBF, D-14195 Berlin, Germany
关键词: Ganoderma lucidum (G. lucidum);Traditional Chinese medicine (TCM);B lymphocytes;Macrophages;Anti-tumour;Proteoglycan
期刊名称:LIFE SCIENCES ( 影响因子:5.037; 五年影响因子:4.689 )
ISSN: 0024-3205
年卷期: 2010 年 87 卷 19-22 期
页码:
收录情况: SCI
摘要: Aims: Ganoderma lucidum, a traditional Chinese medicine, is well known as a modulator of functions of the immune system as well as an anti-tumour agent. However, its active compounds and their molecular mechanisms of action are not well established. GLIS, a proteoglycan isolated from the fruiting body of G. lucidum, stimulates directly the activation of B lymphocytes. In this work, the immunoactivation capacities of GLIS as well as its anti-tumour effect were investigated in vitro and in vivo. Main methods: Tumour-bearing mice were prepared by inoculation of mouse sarcoma S180 cells into BALB/c mice. Lymphocytes and bone marrow-derived macrophages were isolated from spleen and tibia/femurs, respectively. After stimulation with GLIS different immune responses of these cells were analysed. Antitumour effect of GLIS was determined. Key findings: After treatment with GLIS, spleen-derived B lymphocytes from tumour-bearing mice became activated, proliferated and produced large amounts of immunoglobulins. Bone marrow-derived macrophages from tumour-bearing mice also became activated after exposure to GLIS, and they produced important immunomodulatory substances, such as IL-1 beta, TNF-alpha and reactive nitrogen intermediates, like NO. GLIS markedly increased phagocytosis of macrophages, and very importantly, it markedly raised the macrophage-mediated tumour cytotoxicity. Treatment of mice with GLIS caused an inhibition of mouse sarcoma S180 tumour growth by 60% in vivo. Significance: These results indicate that GLIS exhibits a capacity to increase remarkably both humoral and cellular immune activities of tumour-bearing mice and inhibits tumour growth significantly. The anti-tumour effect of GLIS results from its capacity to increase the host's immune activity. (C) 2010 Elsevier Inc. All rights reserved.
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