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相关概念视频

T Cell Types and Functions01:24

T Cell Types and Functions

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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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Autoimmune Disorders01:29

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
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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.
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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.
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相关实验视频

Updated: Sep 9, 2025

Author Spotlight: Achieving High-Purity In Vitro Differentiation of Th17 Cells Using Cytokine Concentration Modulation
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自免疫性疾病中的Th17细胞致病性

Eunchong Park1, Maria Ciofani2,3,4

  • 1Bioscience Immunology, Research and Early Development, Respiratory and Immunology, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA.

Experimental & molecular medicine
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PubMed
概括

助手T17 (Th17) 细胞驱动诸如牛皮和多发性硬化症之类的自身免疫疾病. 针对Th17途径为炎症疾病提供了有前途的治疗策略.

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科学领域:

  • 免疫学
  • 自体免疫性
  • 细胞生物学

背景情况:

  • 辅助T细胞17 (Th17) 是自身免疫性疾病的关键参与者.
  • 像IL-17和IL-23这样的细胞因子对Th17细胞功能至关重要.
  • 了解Th17细胞生物学对于开发新疗法至关重要.

研究的目的:

  • 审查Th17细胞在自身免疫性疾病中的致病作用.
  • 讨论影响Th17细胞分化和致病性的因素.
  • 检查针对T17细胞驱动的炎症的治疗策略.

主要方法:

  • 对自身免疫性疾病Th17细胞研究的文献综述.
  • 对影响Th17细胞的细胞因子,转录调节剂和代谢物的分析.
  • 讨论肠道环境和生理反应的影响.

主要成果:

  • Th17细胞有助于多发性硬化,炎症性肠病和牛皮的发生.
  • 细胞因子,转录因子和代谢物关键调节Th17细胞活动.
  • 肠道环境和系统生理学显著影响T17细胞功能.

结论:

  • 针对Th17细胞通路具有显著的自身免疫疾病治疗潜力.
  • 对Th17细胞调节的进一步研究可能会导致新的治疗策略.
  • 调节Th17细胞反应对于治疗炎症性自身免疫性疾病至关重要.