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Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells
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解驱动CD8+T细胞的效应器功能,通过对组织素乙化的作用
Katarzyna M Luda1, Joseph Longo2, Susan M Kitchen-Goosen2
1Department of Metabolism and Nutritional Programming, Van Andel Institute, Grand Rapids, MI 49503, USA; University of Copenhagen, Novo Nordisk Foundation Center for Basic Metabolic Research, Blegdamsvej 3B, 2200 København, Denmark.
体 (KBs) 是 CD8+ T 细胞的重要燃料,增强它们的新陈代谢和效应器功能. 解对于有效的免疫反应对抗感染和瘤至关重要.
科学领域:
- 免疫学 免疫学 免疫学
- 代谢途径 代谢途径
- 细胞代谢的细胞代谢.
背景情况:
- T细胞代谢受营养的可用性影响,影响免疫反应.
- 体 (KBs) 是代谢的副产品,在免疫细胞功能中具有潜在的作用.
研究的目的:
- 研究体 (KBs) 作为 CD8+ T 细胞代谢和效应器功能的燃料的作用.
- 阐明 KBs 影响 CD8+ T 细胞反应的机制.
主要方法:
- 在体外和体内研究评估CD8+T细胞代谢和功能.
- 分析KB利用率及其对细胞因子生产和细胞分解活性的影响.
- 调查KB对三碳酸 (TCA) 循环和基因素乙化的影响.
主要成果:
- 体 (KBs),包括β-基酸 (βOHB) 和乙酸 (AcAc),是 CD8+ T 细胞代谢和效应因子功能的重要燃料.
- βOHB增强了CD8+ T效应体 (Teff) 细胞的细胞因子产生和细胞分解活性.
- 对于对细菌感染和瘤挑战的Teff细胞反应,需要KB氧化 (解).
- CD8+Teff细胞优先使用KBs而不是葡萄糖来为TCA循环提供燃料.
- KBs增加了CD8+ T细胞中的呼吸能力和TCA循环依赖途径.
- βOHB 作为乙-CoA 生产的关键基质,影响基因素乙化和效应器反应.
结论:
- 细胞内在解是最佳CD8+T细胞效应因子反应的关键代谢和表观遗传驱动因素.
- 体是一个重要的营养来源,可以增强细胞免疫力.
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