Effect and Molecular Mechanisms of Traditional Chinese Medicine on Regulating Tumor Immunosuppressive Microenvironment.

Effect and Molecular Mechanisms of Traditional Chinese Medicine on Regulating Tumor Immunosuppressive Microenvironment.
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中药调节肿瘤免疫抑制微环境的作用及分子机制

DOI:
10.1155/2015/261620
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发表时间:
2015
影响因子:
--
通讯作者:
Lin H
Lin H
中科院分区:
生物学3区
文献类型:
--
作者:
Guo Q;Li J;Lin H

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中医药是中国治疗癌症的重要补充策略。其机制与调节内环境、重塑肿瘤免疫抑制微环境(TIM)有关。在此,我们阐述了 TIM 的改造过程及其在促进肿瘤细胞增殖、血管生成和淋巴管生成、肿瘤侵袭以及癌症干细胞致癌性方面的促肿瘤活性。此外,我们还总结了中药通过增强抗肿瘤免疫反应(如调节MHC分子和Fas/FasL的表达,减弱肿瘤干细胞的致癌能力)和重塑免疫抑制细胞(如逆转T淋巴细胞和肿瘤相关巨噬细胞的免疫表型,促进肿瘤细胞增殖)来调节TIM的作用和机制。 树突状细胞成熟,抑制骨髓源性抑制细胞功能,并调节 Th1/Th2 因子)。我们还揭示了中药在调节 TIM 方面的双向和多靶点功能。希望能为中医临床防治癌症提供新的理论依据。
Traditional Chinese medicine (TCM) is an important complementary strategy for treating cancer in China. The mechanism is related to regulating the internal environment and remodeling the tumor immunosuppressive microenvironment (TIM). Herein we illustrate how TIM is reformed and its protumor activity on promoting tumor cell proliferation, angiogenesis and lymphangiogenesis, tumor invasion, and the oncogenicity of cancer stem cells. Furthermore we summarize the effects and mechanism of TCM on regulating TIM via enhancing antitumor immune responses (e.g., regulating the expression of MHC molecules and Fas/FasL, attenuating cancerigenic ability of cancer stem cells) and remolding immunosuppressive cells (e.g., reversing immune phenotypes of T lymphocytes and tumor associated macrophages, promoting dendritic cells mature, restraining myeloid derived suppressor cells function, and regulating Th1/Th2 factors). We also reveal the bidirectional and multitargeting functions of TCM on regulating TIM. Hopefully, it provides new theoretical basis for TCM clinical practice in cancer treatment and prevention.
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