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相关概念视频

T Cell Types and Functions01:24

T Cell Types and Functions

2.2K
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.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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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.
Naive T cells that have not yet encountered an antigen express two primary CD...
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B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

16.1K
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
16.1K

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相关实验视频

Updated: Jan 17, 2026

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells
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线粒体活动调节人体T助手17的分化和功能

Xinlai Chen1, Theodoros Ioannis Papadimitriou1,2, Anne H G van Essen1

  • 1Department of Rheumatology and Laboratory of Experimental Rheumatology, Radboudumc, Nijmegen, the Netherlands.

Immunology
|September 17, 2025
PubMed
概括

线粒体活动显著影响人类Th17细胞分化. Th17细胞中的高线粒体膜潜能能增强激活,但增加疲劳并降低效应器功能,提供自身免疫性疾病的治疗见解.

关键词:
T细胞耗尽的情况T细胞的新陈代谢.在Th17细胞中.Th17差异化差异化方法线粒体活动线粒体活动

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Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes
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相关实验视频

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06:55

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科学领域:

  • 免疫学 免疫学 免疫学
  • 细胞生物学 细胞生物学
  • 代谢研究研究 代谢研究

背景情况:

  • 辅助T17 (Th17) 细胞在自身免疫性疾病中至关重要.
  • 免疫代谢在人类Th17分化中的作用尚未完全理解.
  • 了解代谢驱动因素可能会揭示自身免疫性疾病的治疗点.

研究的目的:

  • 研究线粒体活动在人类Th17细胞分化中的作用.
  • 在体外的Th17分化过程中表征代谢变化.
  • 探索Th17细胞中线粒体活动改变的功能后果.

主要方法:

  • 使用了原始人类CD4+T细胞的体外模型.
  • 进行单细胞代谢分析和功能分析.
  • 分析了与线粒体动力学和细胞信号传递相关的基因表达.

主要成果:

  • Th17细胞显示出超极化的线粒体膜潜力 (ΔΨ) 与增加的代谢活性.
  • 早期对糖解的依赖转向了对氧化酸化 (OXPHOS) 的依赖.
  • 超极化细胞表现出增加的激活和耗尽标记,效应器功能减少.

结论:

  • 线粒体活动对于Th17分化至关重要.
  • 超极化的线粒体潜能增强了Th17的激活,但促进了疲.
  • 研究结果提供了对Th17代谢调节和潜在的自身免疫性疾病治疗方法的见解.