Induction of differentiation of pre-NKT cells to mature Valpha14 NKT cells by granulocyte/macrophage colony-stimulating factor.

Induction of differentiation of pre-NKT cells to mature Valpha14 NKT cells by granulocyte/macrophage colony-stimulating factor.
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通过粒细胞/巨噬细胞集落刺激因子诱导前 NKT 细胞分化为成熟 Valpha14 NKT 细胞。

DOI:
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发表时间:
1999
影响因子:
11.1
通讯作者:
M. Taniguchi
M. Taniguchi
中科院分区:
综合性期刊1区
文献类型:
--
作者:
H. Sato;T. Nakayama;Y. Tanaka;M. Yamashita;Y. Shibata;E. Kondo;Y. Saito;M. Taniguchi

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Valpha 14 NKT细胞表达由Valpha 14和Jalpha 281基因片段编码的不变抗原受体以及自然杀伤(NK)标志物,包括NK1.1。在这里,我们描述了NKT细胞的前体群体(pre-NKT),其表达NK1.1、T细胞抗原受体β、pTalpha和RAG 1/2,但不表达Valpha 14和表面CD 3 β。通过IL-15和粒细胞/巨噬细胞集落刺激因子(GM-CSF)与基质细胞的联合作用,这种前NKT细胞在体外成功地分化为成熟的CD 3 ++ Val pha 14(+)NKT细胞。有趣的是,只有没有基质细胞的GM-CSF诱导了前NKT细胞中的Valpha 14-Jalpha 281基因重排。这也被以下发现所证实:在缺乏GM-CSF受体组分(共同β链)的小鼠中,成熟的Valpha 14 NKT细胞的数量和Valpha 14-Jalpha 281重排的频率显著降低。这些结果表明GM-CSF在体内Valpha 14 NKT细胞的发育中起关键作用。
Valpha14 NKT cells express an invariant antigen receptor encoded by Valpha14 and Jalpha281 gene segments as well as natural killer (NK) markers, including NK1.1. Here, we describe a precursor population of NKT cells (pre-NKT) that expresses NK1.1, T cell antigen receptor beta, pTalpha, and RAG1/2 but not Valpha14 and surface CD3epsilon. Such pre-NKT cells were differentiated successfully in vitro into mature CD3epsilon+ Valpha14(+) NKT cells by IL-15 and granulocyte/macrophage colony-stimulating factor (GM-CSF) in conjunction with stroma cells. Interestingly, only GM-CSF without stroma cells induced the Valpha14-Jalpha281 gene rearrangement in the pre-NKT cells. This also was confirmed by the findings that the number of mature Valpha14 NKT cells and the frequency of Valpha14-Jalpha281 rearrangements were decreased significantly in the mice lacking a GM-CSF receptor component, common beta-chain. These results suggest a crucial role of GM-CSF in the development of Valpha14 NKT cells in vivo.
DOI: 10.1016/s1074-7613(00)80290-3
发表时间: 1997-04-01
期刊: IMMUNITY
影响因子: 32.4
作者:
Mendiratta, SK;Martin, WD;VanKaer, L
通讯作者: VanKaer, L
DOI: --
发表时间: 1997-07
期刊: The Journal of Experimental Medicine
影响因子: --
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发表时间: 1996-10
影响因子: 11.1
作者:
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发表时间: 1998-11-01
期刊: IMMUNITY
影响因子: 32.4
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发表时间: 1997-04-01
期刊: IMMUNITY
影响因子: 32.4
作者:
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通讯作者: Wang, CR