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Updated: Jun 4, 2025

Phenotypic and Functional Analysis of Activated Regulatory T Cells Isolated from Chronic Lymphocytic Choriomeningitis Virus-infected Mice
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Ly49的年龄依赖的双相动力学+CD8+ 调控性T细胞种群

Saranya Srinivasan1, Shruti Mishra1,2, Kenneth Ka-Ho Fan1

  • 1Department of Microbiology, Immunology and Molecular Genetics, Long School of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA.

Aging cell
|December 19, 2024
PubMed
概括

衰老影响免疫调节,CD8+调节性T细胞 (Tregs) 显示出与年龄相关的独特模式. 这些CD8+Tregs与其他T细胞不同,在老鼠和人类的寿命中频率发生变化.

关键词:
在 CD8 Treg 中.希利奥斯 (Helios) 是一个星球.在NKG2D中,它是NKG2D.老化的老化 衰老的老化

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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
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When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
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