Plasticity in programming of effector and memory CD8 T-cell formation.

Plasticity in programming of effector and memory CD8 T-cell formation.
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DOI:
10.1111/j.0105-2896.2010.00899.x
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发表时间:
2010-05
影响因子:
8.7
通讯作者:
Schoenberger SP
Schoenberger SP
中科院分区:
医学1区
文献类型:
--
作者:
Arens R;Schoenberger SP

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CD8+ T细胞(也称为细胞毒性T淋巴细胞)在针对许多感染性病原体的保护性免疫中发挥重要作用,并可以根除恶性细胞。从幼稚前体到效应和记忆CD8+ T细胞发育的途径始于成熟的携带抗原的树突状细胞(DC)和抗原特异性幼稚T细胞克隆前体之间的相互作用。通过整合抗原性、共刺激和炎症信号的差异,建立了一个发育程序,该程序控制与随后的反应相关的许多关键参数,包括克隆扩增的程度和幅度、效应细胞的功能能力以及在收缩期后存活的记忆池的大小。在这篇综述中,我们讨论了驱动效应和记忆CD8+ T细胞分化的众多信号,以及这些信号的性质差异如何有助于CD8+ T细胞反应的多样性。
CD8+ T cells (also called cytotoxic T lymphocytes) play a major role in protective immunity against many infectious pathogens and can eradicate malignant cells. The path from naive precursor to effector and memory CD8+ T-cell development begins with interactions between matured antigen-bearing dendritic cells (DCs) and antigen-specific naive T-cell clonal precursors. By integrating differences in antigenic, costimulatory, and inflammatory signals, a developmental program is established that governs many key parameters associated with the ensuing response, including the extent and magnitude of clonal expansion, the functional capacities of the effector cells, and the size of the memory pool that survives after the contraction phase. In this review, we discuss the multitude of signals that drive effector and memory CD8+ T-cell differentiation and how the differences in the nature of these signals contribute to the diversity of CD8+ T-cell responses.
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