A contribution of mouse dendritic cell-derived IL-2 for NK cell activation.

A contribution of mouse dendritic cell-derived IL-2 for NK cell activation.
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DOI:
10.1084/jem.20040370
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发表时间:
2004-08-02
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Ricciardi-Castagnoli P
Ricciardi-Castagnoli P
中科院分区:
其他
文献类型:
--
作者:
Granucci F;Zanoni I;Pavelka N;Van Dommelen SL;Andoniou CE;Belardelli F;Degli Esposti MA;Ricciardi-Castagnoli P

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树突状细胞(Dendritic cells,DC)在激活自然杀伤细胞(Natural Killer,NK)中发挥主要作用,NK细胞发挥其针对病原体感染和肿瘤细胞的功能。在这里,我们使用小鼠模型来研究负责这一过程的分子机制。由细菌活化的髓样DC产生的两种可溶性分子是NK细胞的最佳引发所需的。I型干扰素(IFN)促进NK细胞的细胞毒性功能。IL-2在体内外都是IFNγ有效产生所必需的,IFNγ具有重要的抗转移和抗菌功能。这些发现提供了有关介导DC-NK细胞相互作用的机制的新信息,并定义了IL-2在先天免疫中的新的基本作用。
Dendritic cells (DCs) play a predominant role in activation of natural killer (NK) cells that exert their functions against pathogen-infected and tumor cells. Here, we used a murine model to investigate the molecular mechanisms responsible for this process. Two soluble molecules produced by bacterially activated myeloid DCs are required for optimal priming of NK cells. Type I interferons (IFNs) promote the cytotoxic functions of NK cells. IL-2 is necessary both in vitro and in vivo for the efficient production of IFNγ, which has an important antimetastatic and antibacterial function. These findings provide new information about the mechanisms that mediate DC–NK cell interactions and define a novel and fundamental role for IL-2 in innate immunity.
DOI: 10.1084/jem.20010938
发表时间: 2002-02-04
期刊: The Journal of experimental medicine
影响因子: --
作者:
Gerosa F;Baldani-Guerra B;Nisii C;Marchesini V;Carra G;Trinchieri G
通讯作者: Trinchieri G
DOI: 10.4049/jimmunol.170.10.5075
发表时间: 2003-05-15
影响因子: 4.4
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