Human CD1c+ dendritic cells drive the differentiation of CD103+ CD8+ mucosal effector T cells via the cytokine TGF-β.

Human CD1c+ dendritic cells drive the differentiation of CD103+ CD8+ mucosal effector T cells via the cytokine TGF-β.
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DOI:
10.1016/j.immuni.2013.03.004
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发表时间:
2013-04-18
期刊:
影响因子:
32.4
通讯作者:
Palucka K
Palucka K
中科院分区:
医学1区
文献类型:
--
作者:
Yu CI;Becker C;Wang Y;Marches F;Helft J;Leboeuf M;Anguiano E;Pourpe S;Goller K;Pascual V;Banchereau J;Merad M;Palucka K

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与鼠树突状细胞(DC)相比,对人DC在组织中的功能知之甚少。在这里,我们分析,使用人类和人源化小鼠的肺组织,人CD 1c+和CD 141 + DC的作用,在确定类型的CD 8 + T细胞免疫减毒活流感病毒(LAIV)疫苗。我们发现两个肺DC亚群在体内获得流感抗原,并在体外扩增特异性细胞毒性CD 8 + T细胞。然而,肺组织驻留的CD 1c + DCs而不是CD 141 + DCs能够驱动CD 8 + T细胞上的CD 103表达,并在体外和体内促进肺上皮中的CD 8 + T细胞积聚。CD 1c + DCs对CD 103表达的诱导依赖于膜结合细胞因子TGF-β1。因此,CD 1c+和CD 141 + DC产生具有不同性质的CD 8 + T细胞,并且CD 1c + DC专门调节粘膜CD 8 + T细胞。
In comparison to murine dendritic cells (DCs), less is known about the function of human DCs in tissues. Here, we analyzed, using lung tissues from humans and humanized mice, the role of human CD1c+ and CD141+ DCs in determining the type of CD8+ T cell immunity generated to live-attenuated influenza virus (LAIV) vaccine. We found that both lung DC subsets acquired influenza antigens in vivo and expanded specific cytotoxic CD8+ T cells in vitro. However, lung-tissue-resident CD1c+ DCs but not CD141+ DCs were able to drive CD103 expression on CD8+ T cells and promoted CD8+ T cell accumulation in lung epithelia in vitro and in vivo. CD1c+ DCs induction of CD103 expression was dependent on membrane-bound cytokine TGF-β1. Thus, CD1c+ and CD141+ DCs generate CD8+ T cells with different properties, and CD1c+ DCs specialize in the regulation of mucosal CD8+ T cells.
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