Factors governing the intranodal migration behavior of T lymphocytes

Factors governing the intranodal migration behavior of T lymphocytes
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T淋巴细胞结内迁移行为的控制因素

DOI:
10.1111/j.1600-065x.2008.00580.x
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发表时间:
2008
影响因子:
8.7
通讯作者:
R. Förster
R. Förster
中科院分区:
医学1区
文献类型:
--
作者:
T. Worbs;G. Bernhardt;R. Förster

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摘要:随着双光子显微成像技术的出现,近年来我们对淋巴器官内不同免疫细胞的运动行为和相互作用动力学的理解取得了显著进展。在没有抗原或炎症刺激的情况下,幼稚T淋巴细胞的基础结内运动,虽然乍一看是一种明显简单的现象,但还远未完全理解。在这种情况下,最重要的开放性问题与结内T细胞运动本身的起源有关:这些高度动态的细胞是如何“激励”对淋巴结(LN)中的树突状细胞进行无情的扫描的?这篇综述总结了在寻找控制幼稚T淋巴细胞结内迁移行为的因素方面的最新进展,特别关注细胞外促迁移线索、细胞内信号传导成分的作用,以及LN结构环境对结内T细胞运动的影响。
Summary: With the advent of two‐photon microscopic imaging, the last few years have witnessed remarkable progress regarding our understanding of the movement behavior and interaction dynamics of different immune cells within lymphoid organs. The basal intranodal motility of naive T lymphocytes in the absence of antigenic or inflammatory stimuli, although at first glance representing a phenomenon of apparent simplicity, is far from being completely understood. The most important open question in this context relates to the origin of intranodal T‐cell motility itself: how are these highly dynamic cells ‘motivated’ to carry out their relentless scanning of dendritic cells present in the lymph node (LN)? This review summarizes recent advances in the search for factors governing the intranodal migration behavior of naive T lymphocytes, focusing in particular on the role of extracellular pro‐migratory cues, intracellular signaling components, and the influence of the structural LN environment on intranodal T‐cell motility.
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