Understanding T cell aging to improve anti-viral immunity.

Understanding T cell aging to improve anti-viral immunity.
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DOI:
10.1016/j.coviro.2021.09.017
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发表时间:
2021-12
影响因子:
5.9
通讯作者:
Gustafson CE
Gustafson CE
中科院分区:
医学2区
文献类型:
--
作者:
Zhang H;Weyand CM;Goronzy JJ;Gustafson CE

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T 细胞是免疫系统的重要组成部分,是预防病毒和细菌感染所必需的。然而,这些细胞提供足够保护的能力随着年龄的增长而下降,导致老年人感染的易感性和死亡率增加。在许多情况下,它还会导致疫苗诱导的免疫力下降。了解 T 细胞衰老背后的基本生物学是解决这些缺陷的关键,进而为老年人群设计更有效的疫苗和治疗方法。在这里,我们将讨论最近的研究,这些研究对 T 细胞衰老的特征提供了重要的见解,这些特征如何导致随着年龄的增长而导致免疫反应不佳,以及可能进一步增强老年人抗病毒免疫力的新研究途径。
T cells are a critical component of the immune system and required for protection against viral and bacterial infections. However, the capacity of these cells to provide sufficient protection declines with age, leading to an increased susceptibility to and mortality from infection in older individuals. In many cases, it also contributes to poor vaccine-induced immunity. Understanding the basic biology behind T cell aging is key to unraveling these defects and, in turn, designing more effective vaccines and therapeutics for the older population. Here, we will discuss recent studies that have provided significant insight into the features of T cell aging, how these features may contribute to poor immune responses with advancing age and newer avenues of research that may further enhance anti-viral immunity in older individuals.
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