相关实验视频
Updated: Jun 12, 2025

12:59
Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes
Published on: September 26, 2013
34.4K
第十七类原特异性CD4+T细胞通过产生IL-5诱导牛性类细胞
Norihiro Yoshimoto1, Ken Muramastsu1, Takamasa Ito1
1Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
The Journal of investigative dermatology
|September 26, 2024
概括
针对第十七类原 (COL17) 的CD4+T细胞可以诱导型皮虫. 这些T细胞的干白素-5 (IL-5) 生产对于疾病的发展至关重要,包括皮肤变化和自身抗体的产生.
科学领域:
- 免疫皮肤学 免疫皮肤学
- 自免疫性泡性疾病 自免疫性泡性疾病
- T细胞免疫学T细胞免疫学
背景情况:
- 球状皮炎 (BP) 是一种自身免疫性泡性疾病,与抗型XVII原 (COL17) 抗体有关.
- 驱动BP特征性osinophilic透和IgE沉积的精确机制尚未完全理解.
- 自抗原特异性CD4+ T细胞是免疫反应的关键调节者,并与BP的发病有关.
研究的目的:
- 为了研究COL17特异性CD4+T细胞在类类动物中的作用.
- 阐明这些T细胞对BP表型的贡献机制.
- 为了确定参与COL17诱导自身免疫的关键细胞因子.
主要方法:
- 在实验室中确立了COL17特异性的CD4+T细胞系.
- 用COL17和分离的淋巴细胞免疫野生型小鼠.
- 在Rag-2-/-/COL17人性化小鼠中转移了具有COL17原始B细胞的T细胞系.
- 从组织学上分析皮肤病变并评估自身抗体的产生.
- 利用RNA测序来识别致病性T细胞系中表达的细胞因子.
- 服用抗IL-5抗体,以评估IL-5在疾病诱导中的作用.
主要成果:
- 在已确立的5种特定于COL17的CD4+T细胞系中,有3种在人性化小鼠中诱导了类似BP的皮肤变化,皮下分离,eosinophilic透和抗COL17自身抗体的产生.
- RNA测序揭示了致病性T细胞系中T助手2细胞因子,特别是IL-5的高表达.
- 服用抗IL-5抗体显著降低了皮肤病变和自身抗体水平.
结论:
- 特定于COL17的CD4+ T细胞可以诱导型皮虫表型.
- 这些T细胞的干白素-5 (IL-5) 生产对于驱动BP类皮肤变化和自身抗体生成至关重要.
- 向IL-5可能代表了对雄性皮虫的治疗策略.
相关概念视频
T Cell Types and Functions
960
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...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
960
T Cell Activation and Clonal Selection
686
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...
Naive T cells that have not yet encountered an antigen express two primary CD...
686
B Cell Activation and Differentiation
1.6K
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...
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...
1.6K
Cells of the Adaptive Immune Response
970
The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
970

