Mechanisms controlling granule-mediated cytolytic activity of cytotoxic T lymphocytes.

Mechanisms controlling granule-mediated cytolytic activity of cytotoxic T lymphocytes.
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DOI:
10.1007/s12026-011-8252-8
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发表时间:
2011-12
影响因子:
4.4
通讯作者:
Sykulev, Yuri
Sykulev, Yuri
中科院分区:
医学4区
文献类型:
--
作者:
Anikeeva, Nadia;Sykulev, Yuri

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细胞毒性 T 淋巴细胞 (CTL) 在抵抗病毒和癌症的免疫中发挥着关键作用。 CTL 上的抗原受体或 T 细胞受体 (TCR) 决定了不需要的细胞靶向的特异性。 CD8 共受体与 TCR 协同发挥作用,增强 TCR 介导的信号传导,从而解释了 CTL 反应的显着敏感性和快速信号传导动力学。后者确保将裂解颗粒有效递送至靶细胞,从而对其进行敏感且快速的破坏。
Cytotoxic T lymphocytes (CTL) play a critical role in the immunity against viruses and cancer. The antigen receptor or T-cell receptor (TCR) on CTL determines the specificity of unwanted cell targeting. The CD8 co-receptor functions in concert with the TCR to enhance TCR-mediated signaling, accounting for the remarkable sensitivity and swift signaling kinetics of the CTL response. The latter ensures efficient delivery of lytic granules to target cells, resulting in their sensitive and rapid destruction.
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