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Mechanisms of T cell activation regulation by inhibitory microclusters

Mechanisms of T cell activation regulation by inhibitory microclusters
抑制性微簇调节T细胞活化的机制
批准号:
21590548
负责人:
YOKOSUKA Tadashi
金额:
$3.0万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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中文摘要
翻译
对阴性共刺激受体CTLA-4的成像分析揭示了T细胞激活调节的新机制。CTLA-4在免疫突触中心形成簇,干扰信号分子复合体的形成,该复合体由阳性的共刺激受体CD28、激酶和支架蛋白组成。这些结果表明,T细胞的激活受两种T细胞受体的协同调节。CD28微簇和CTLA-4介导的抑制性微簇。
英文摘要
Imaging analysis of the negative costimulatory receptor, CTLA-4, revealed the novel mechanism of T cell activation regulation. CTLA-4 formed clusters at the center of the immunological synapse and interfered the formation of the signaling molecule complex, which is composed by the positive costimulatory receptor CD28, kinases, and scaffold proteins. These results suggest that T cell activation is cooperatively regulated by both T cell receptor. CD28 microclusters and the CTLA-4-mediated inhibitory microclusters.
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会议论文
SH3-Guk domain regulating Carma1 micro-cluster formation is essential for antigen receptor-induced NF-κB activation
SH3-Guk 结构域调节 Carma1 微簇形成对于抗原受体诱导的 NF-κB 激活至关重要
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Yokosuka T, Saito T, Hiromitsu Hara]
通讯作者: Hiromitsu Hara
Spatiotemporal regulation of T cell co-stimulation
T细胞共刺激的时空调节
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Saito, T., Yokosuka, T., Tane-Hashimoto, A.]
通讯作者: A.
Dynamic regulation of T-cell costimulation by TCR microclusters and the c-SMAC
TCR 微簇和 c-SMAC 对 T 细胞共刺激的动态调节
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [Yusuke Hayashi, Jacqueline Bourdeau, Riichiro Mizoguchi, Tadashi Yokosuka]
通讯作者: Tadashi Yokosuka
Imaging of T cell activation regulation : -Negative regulation of TCR signaling by PD-1 microcluster-
T 细胞激活调节的成像:-PD-1 微簇对 TCR 信号传导的负调节-
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Shimizu K, Asakura M, Sugahara H, Shinga J, Fujii S, Takashi Saito]
通讯作者: Takashi Saito
共 38 条
    Positive and negative regulation of T-cell activation by costimulatory molecules through TCR microclusters
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