在单细胞中光信号和转录组学的整合揭示了不同的Th17细胞命运
Seth D Fortmann1, Awalpreet S Chadha2, Blake F Frey3
1Medical Scientist Training Program (MSTP), University of Alabama at Birmingham (UAB), Birmingham, AL, USA; Department of Ophthalmology, UAB, Birmingham, AL, USA.
Cell reports
|July 17, 2025
概括
生物测量技术捕获单细胞中的RNA和蛋白质信号. 这揭示了T助手17细胞早期的互白素-2产生如何影响它们的功能和可塑性.
科学领域:
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
- 细胞生物学 细胞生物学
背景情况:
- 单细胞RNA测序 (scRNA-seq) 识别了转录程序,但错过了关键的转录后信息.
- 了解细胞信号网络和状态需要超越RNA的多原子数据.
- 现有的方法难以同时捕捉单细胞中的转录和蛋白质水平信号.
研究的目的:
- 引入Vivo-seq,这是一个用于同时捕获单细胞中转录和光信号状态的新平台.
- 研究光信号在T助手17 (Th17) 细胞发育和功能中的作用.
- 揭示早期细胞因子产生对Th17细胞可塑性的影响.
主要方法:
- 开发和应用Vivo-seq,集成scRNA-seq与胞位检测.
- 细胞固定使用深度浸泡溶剂来保存多域生物信息.
- 对发育中的Th17细胞进行分析,以将转录和信号状态与细胞因子生产相关联.
主要成果:
- Vivo-seq可同时测量单细胞中的RNA和蛋白质酸化.
- 对ERK1/2和c-FOS的联合酸化对于Th17细胞最大限度的IL-2和IL-17产生至关重要.
- 通过发育Th17细胞的早期IL-2生产,为它们的增强维护和转基因分化做好了准备.
结论:
- Vivo-seq为多原子单细胞分析提供了一个强大的工具.
- 综合光信号和转录数据显示Th17细胞过度活化状态.
- 早期的IL-2产生影响了Th17细胞的功能性可塑性和对随后刺激的反应.
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