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Innate-like T cells straddle innate and adaptive immunity by revising antigen-receptor responsiveness

机译:先天样T细胞通过修改抗原受体反应性跨越先天性和适应性免疫

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摘要

The sub-classification of immunology into innate and adaptive immunity is challenged by innate-like T lymphocytes that use innate receptors to respond rapidly to stress despite expressing T cell antigen receptors, a hallmark of adaptive immunity. Explaining how such cells straddle innate and adaptive immunity, the current study shows that antigen receptor signaling, whose conventional role is to facilitate clonal T cell activation, is critical for innate-like T cell development but then is rapidly attenuated, thus accommodating the cells’ innate responsiveness. These findings permitted the identification de novo of an innate-like T cell subset, and argue that T cell hypo-responsiveness, a state traditionally implicated in tolerance, may be fundamental to T cells entering the innate compartment and thereby providing lymphoid stress surveillance.
机译:免疫学分为先天性和适应性免疫的亚类受到先天样T淋巴细胞的挑战,该先天样T淋巴细胞尽管表达T细胞抗原受体,但仍使用先天性受体对应激快速反应,这是适应性免疫的标志。解释此类细胞如何跨越先天性和适应性免疫,当前研究表明,其传统作用是促进克隆性T细胞活化的抗原受体信号转导对于先天样T细胞发育至关重要,但随后迅速衰减,从而适应细胞的生长。天生的反应能力。这些发现允许从头识别先天性T细胞亚群,并认为T细胞低反应性(一种传统上与耐受性有关的状态)可能是T细胞进入先天区室并因此提供淋巴样应激监测的基础。

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