通过干扰线粒体呼吸来抑制人体FOXP3+调节T细胞功能
Aleksandra Dyczko1,2, Beatriz F Côrte-Real1,2,3, Ibrahim Hamad1,2
1Laboratory of Translational Immunomodulation, VIB Center for Inflammation Research (IRC), Hasselt University, Diepenbeek, Belgium.
European journal of immunology
|August 29, 2025
概括
在人体调节性T细胞 (Tregs) 中,Teriflunomide损害了线粒体功能,阻碍了它们的抑制活性,并促进了亲炎性表型. 这表明在自身免疫性疾病中对T细胞子集有明显的免疫代谢作用.
科学领域:
- 免疫学
- 细胞代谢
- 药理学
背景情况:
- 调节性T细胞 (Tregs) 依赖脂肪酸氧化 (FAO) 和氧化化 (OXPHOS) 进行稳定和功能.
- 线粒体呼吸,特别是电子运输链复合体-III,对于Treg抑制活性至关重要.
- 多发性硬化症等自身免疫性疾病中的功能障碍Tregs表现出线粒体呼吸功能受损和T助手1 (Th1) 现型.
研究的目的:
- 研究特里弗隆胺对人类Tregs免疫代谢和功能的影响.
- 评估特里弗隆米德如何影响Treg线粒体呼吸和表型.
主要方法:
- 人类Tregs被用特里弗隆米德治疗.
- 评估了线粒体功能,包括呼吸和复合III活性.
- 评估了Treg表型和抑制活性.
主要成果:
- 在人类Tregs中Teriflunomide显著损害了线粒体功能.
- 这种药物在Tregs中诱导了类似Th1的表型.
- 治疗Teriflunomide导致有缺陷的Treg抑制活性.
结论:
- 甲基胺对人类Treg线粒体的功能和稳定性产生负面影响.
- 通过影响Treg功能,该药物可能促进促炎性T细胞特征.
- 需要进一步的研究来了解特里弗隆胺对免疫细胞子集的独特影响.
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