The architectural design of CD8+ T cell responses in acute and chronic infection: Parallel structures with divergent fates.

The architectural design of CD8+ T cell responses in acute and chronic infection: Parallel structures with divergent fates.
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DOI:
10.1084/jem.20201730
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发表时间:
2021-04-05
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Kaech SM
Kaech SM
中科院分区:
其他
文献类型:
--
作者:
Chung HK;McDonald B;Kaech SM

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Chung等人讨论了急性和慢性病毒感染期间CD8+ T细胞应答的结构设计,强调了分化途径的平行性、所得T细胞状态的异质性以及控制这些分化过程的潜在转录和表观遗传网络。为了应对感染,T细胞采取一系列分化状态,产生许多表现出不同表型,功能和迁移模式的异质子集。这种T细胞异质性是T细胞免疫的普遍特征,需要以环境依赖性方式有效控制病原体并产生对这些病原体的长期免疫。在这里,我们回顾了新的见解分化状态动态和人口异质性的CD8+ T细胞在急性和慢性病毒感染和癌症,并强调急性和慢性抗原刺激设置之间的相似之处和区别。我们专注于转录和表观遗传网络,调节抗原特异性CD8+ T细胞的可塑性和终末分化,并产生功能多样的T细胞亚群,具有不同的作用,以对抗感染和癌症。
Chung et al. discuss the architectural design of CD8+ T cell responses during acute and chronic viral infection, emphasizing the parallelism of the differentiation pathways, the heterogeneity of the resultant T cell states, and the underlying transcriptional and epigenetic networks controlling these differentiation processes. In response to infection, T cells adopt a range of differentiation states, creating numerous heterogeneous subsets that exhibit different phenotypes, functions, and migration patterns. This T cell heterogeneity is a universal feature of T cell immunity, needed to effectively control pathogens in a context-dependent manner and generate long-lived immunity to those pathogens. Here, we review new insights into differentiation state dynamics and population heterogeneity of CD8+ T cells in acute and chronic viral infections and cancer and highlight the parallels and distinctions between acute and chronic antigen stimulation settings. We focus on transcriptional and epigenetic networks that modulate the plasticity and terminal differentiation of antigen-specific CD8+ T cells and generate functionally diverse T cell subsets with different roles to combat infection and cancer.
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