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Understanding the Role of T Cells in CNS Homeostasis

机译:了解T细胞在中枢神经系统稳态中的作用

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T cells within the central nervous system (CNS) have been generally considered pathogenic, especially in the context of neuroinflammatory disease. However, recent findings have revealed varied functions for T cells in the healthy CNS, as well as more complex roles for these cells in infection and injury than previously appreciated. Here we review evidence indicating important roles for different T cell subsets in the maintenance of CNS homeostasis. We examine the contribution of T cells in limiting inflammation and damage upon CNS injury, infection, and in neurodegeneration, and discuss the current understanding of the cellular and molecular mechanisms involved. Insight into these processes will shed light on the adverse effects of T cell-depleting therapies and present inroads into new therapeutic approaches for treating diseases affecting the CNS.
机译:通常认为中枢神经系统(CNS)中的T细胞是致病的,尤其是在神经炎性疾病的背景下。但是,最近的发现揭示了健康CNS中T细胞的各种功能,以及这些细胞在感染和损伤中的作用比以前更复杂。在这里,我们审查表明中枢神经系统稳态维持不同T细胞亚群的重要作用的证据。我们研究了T细胞在限制炎症和中枢神经系统损伤,感染和神经退行性损伤中的作用,并讨论了对有关细胞和分子机制的当前了解。对这些过程的深入了解将揭示T细胞耗竭疗法的不利影响,并为治疗影响CNS的疾病的新疗法提供了新途径。

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