在多发性肌痛风湿症中,GM-CSF驱动着巨细胞的IL-6产生
William F Jiemy1, Anqi Zhang1, Wayel H Abdulahad2
1Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Annals of the rheumatic diseases
|February 6, 2025
概括
多发性肌痛性风湿症 (PMR) 涉及扩张和激活的单细胞. 受影响组织中的巨细胞产生关键的炎症性细胞因子,如IL-6,这表明它们是PMR的关键治疗标.
科学领域:
- 免疫学 免疫学 免疫学
- 类风湿病学 类风湿病学
背景情况:
- 对多发性肌痛风湿症 (PMR) 免疫病理学的理解有限,外周血液研究表明巨细胞是关键参与者.
- 研究促炎性巨细胞在PMR中的发育和功能驱动因素.
研究的目的:
- 为了确定驱动PMR中促炎性巨细胞发展的因素.
- 阐明巨细胞在PMR免疫病理学中的功能性作用.
主要方法:
- 流式细胞计量用于分析周围血液和体液中的单细胞表型.
- 免疫组织化学和免疫光学,以表征受影响组织中的巨细胞.
- 在体外巨分化培养以评估细胞因子功能.
主要成果:
- 在PMR患者中观察到增加和激活的单细胞 (CD14高CD16-和CD14高CD16+).
- 巨细胞在PMR组织中主导了免疫透物,表达了丰富的促炎细胞因子,特别是IL-6.
- 颗粒细胞-巨细胞殖民地刺激因子 (GM-CSF) 和巨细胞殖民地刺激因子 (M-CSF) 在PMR组织中显著升高,推动IL-6的产生.
结论:
- 在PMR中,单细胞区被扩大并激活.
- 受到PMR影响的组织中的巨细胞是 IL-6 等促炎性细胞因子的重要生产者.
- 涉及GM-CSF,M-CSF和IFN-γ的细胞因子网络可能驱动巨细胞的促炎功能,确定巨细胞是PMR的潜在治疗标.
更多相关视频
11:48Isolation Protocol of Mouse Monocyte-derived Dendritic Cells and Their Subsequent In Vitro Activation with Tumor Immune Complexes
Published on: May 31, 2018
11.3K
11:05Generation and Identification of GM-CSF Derived Alveolar-like Macrophages and Dendritic Cells From Mouse Bone Marrow
Published on: June 25, 2016
18.0K
相关概念视频
T Cell Types and Functions
939
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...
939
Differentiation of Common Myeloid Progenitor Cells
3.2K
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
3.2K
