Chlorella sorokiniana-Induced Activation and Maturation of Human Monocyte-Derived Dendritic Cells through NF-κB and PI3K/MAPK Pathways.

Chlorella sorokiniana-Induced Activation and Maturation of Human Monocyte-Derived Dendritic Cells through NF-κB and PI3K/MAPK Pathways.
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DOI:
10.1155/2012/735396
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发表时间:
2012
期刊:
Evidence-based complementary and alternative medicine : eCAM
影响因子:
--
通讯作者:
Ko CH
Ko CH
中科院分区:
其他
文献类型:
--
作者:
Chou NT;Cheng CF;Wu HC;Lai CP;Lin LT;Pan IH;Ko CH

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小球藻(Chlorellasorokiniana,CS)是一种单细胞绿色藻类。小球藻的提取物已被用作缓解高血压和调节免疫反应的治疗剂。具体机制尚不清楚。在这项研究中,我们试图研究CS诱导免疫反应的多糖组分的分子机制。我们用CS冲击树突状细胞(DCs),发现CS可以使DCs成熟。CS成熟的DC可激活幼稚T细胞,刺激T细胞增殖和IFN-γ分泌。CS通过与TLR 4受体相互作用,激活DCs的PI 3 K和MAPK信号通路。这些CS激活的信号通路可进一步激活NF-κB并诱导DC产生IL-12。本研究为CS诱导DCs活化和免疫应答提供了分子机制。
Chlorella sorokiniana (CS) is a unicellular green alga. The extracts of Chlorella have been used as treatments for relieving hypertension and modulating immune response. The detailed mechanisms are not clear yet. In this study, we sought to study the molecular mechanisms for the polysaccharide fraction of CS-induced immune response. We pulsed dendritic cells (DCs) with CS and found that CS could maturate DCs. CS-maturated DC could activate naïve T cells and stimulate T-cell proliferation and IFN-γ secretion. Furthermore, CS activated PI3K and MAPKs signaling pathways in DCs by interacting with TLR4 receptor. These CS-activated signaling pathways could further activate NF-κB and induce IL-12 production in DCs. This study provides molecular mechanisms for CS-induced DCs activation and immune response.
DOI: 10.1172/jci1472
发表时间: 1998-03-01
影响因子: 15.9
作者:
Kato, K;Cantwell, MJ;Kipps, TJ
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