Spatial map of human T cell compartmentalization and maintenance over decades of life.

Spatial map of human T cell compartmentalization and maintenance over decades of life.
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DOI:
10.1016/j.cell.2014.10.026
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发表时间:
2014-11-06
期刊:
影响因子:
64.5
通讯作者:
Farber DL
Farber DL
中科院分区:
生物学1区
文献类型:
--
作者:
Thome JJ;Yudanin N;Ohmura Y;Kubota M;Grinshpun B;Sathaliyawala T;Kato T;Lerner H;Shen Y;Farber DL

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人类记忆T细胞分化和维持的机制在很大程度上是从外周血的研究中推断出来的,尽管大多数T细胞存在于淋巴和粘膜部位。我们在这里提出了一个多维的,定量的分析人类T细胞区隔和维持超过60年的生命从56个个体器官供者获得的血液,淋巴和粘膜组织。研究结果表明,naïve、中枢记忆和效应记忆以及末端效应亚群的分布和组织驻留取决于它们的分化状态和组织定位。此外,由细胞因子或tcr介导的信号驱动的T细胞稳态在CD4+或CD8+ T细胞谱系中是不同的,随其分化阶段和组织定位而变化,并且不能从血液中推断。我们的数据提供了一个前所未有的人类T细胞分区化和维持的时空图,支持人类T细胞命运决定和稳态的不同途径。
Mechanisms for human memory T cell differentiation and maintenance have largely been inferred from studies of peripheral blood, though the majority of T cells are found in lymphoid and mucosal sites. We present here a multidimensional, quantitative analysis of human T cell compartmentalization and maintenance over six decades of life in blood, lymphoid and mucosal tissues obtained from 56 individual organ donors. Our results reveal that the distribution and tissue residence of naïve, central and effector memory, and terminal effector subsets is contingent on both their differentiation state and tissue localization. Moreover, T cell homeostasis driven by cytokine or TCR-mediated signals is different in CD4+ or CD8+ T cell lineages, varies with their differentiation stage and tissue localization, and cannot be inferred from blood. Our data provide an unprecedented spatial and temporal map of human T cell compartmentalization and maintenance, supporting distinct pathways for human T cell fate determination and homeostasis.
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