Type-1 polarized dendritic cells primed for high IL-12 production show enhanced activity as cancer vaccines.

Type-1 polarized dendritic cells primed for high IL-12 production show enhanced activity as cancer vaccines.
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DOI:
10.1007/s00262-008-0648-5
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发表时间:
2009-08
影响因子:
5.8
通讯作者:
Kalinski, Pawel
Kalinski, Pawel
中科院分区:
医学3区
文献类型:
--
作者:
Giermasz, Adam S.;Urban, Julie A.;Nakamura, Yutaro;Watchmaker, Payal;Cumberland, Rachel L.;Gooding, William;Kalinski, Pawel

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虽然多种途径的树突状细胞(DC)成熟导致瞬时产生IL-12,但完全成熟的DC在随后与抗原特异性T细胞相互作用时产生IL-12p70的能力降低,限制了它们作为疫苗的体内性能。在人树突状细胞成熟(1型极化)过程中,干扰素γ的存在可以防止这种“树突状细胞衰竭”,从而在体外改善肿瘤特异性Th1和CTL反应的诱导。在这里,我们显示了小鼠DC的1型极化强烈地增强了他们在体内诱导针对模型肿瘤抗原OVA的CTL反应的能力,促进了对OVA表达的EG7淋巴瘤的保护性免疫的诱导。有趣的是,与人类系统不同,小鼠DC 1的诱导需要IL-4的参与,IL-4是一种名义上的Th2诱导细胞因子。目前的数据有助于解释先前报道的IL-4的Th1驱动和抗肿瘤活性,并证明了1型极化增加了DC疫苗的体内活性。
While multiple pathways of dendritic cell (DC) maturation result in transient production of IL-12, fully mature DCs show reduced ability to produce IL-12p70 upon a subsequent interaction with Ag-specific T cells, limiting their in vivo performance as vaccines. Such “DC exhaustion” can be prevented by the presence of IFNγ during the maturation of human DCs (type-1-polarization), resulting in improved induction of tumor-specific Th1 and CTL responses in vitro. Here, we show that type-1 polarization of mouse DCs strongly enhances their ability to induce CTL responses against a model tumor antigen, OVA, in vivo, promoting the induction of protective immunity against OVA-expressing EG7 lymphoma. Interestingly, in contrast to the human system, the induction of mouse DC1s requires the participation of IL-4, a nominal Th2-inducing cytokine. The current data help to explain the previously reported Th1-driving and anti-tumor activities of IL-4, and demonstrate that type-1 polarization increases in vivo activity of DC-based vaccines.
DOI: 10.1084/jem.20030448
发表时间: 2003-08-18
期刊: The Journal of experimental medicine
影响因子: --
作者:
MartIn-Fontecha A;Sebastiani S;Höpken UE;Uguccioni M;Lipp M;Lanzavecchia A;Sallusto F
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发表时间: 2003-11-01
影响因子: 6.4
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发表时间: 2000-10-01
期刊: NATURE IMMUNOLOGY
影响因子: 30.5
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发表时间: 2003-09-01
影响因子: 4.4
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DOI: 10.1038/ni725
发表时间: 2001-11-01
期刊: NATURE IMMUNOLOGY
影响因子: 30.5
作者:
Biedermann, T;Zimmermann, S;Röcken, M
通讯作者: Röcken, M