在髓状细胞中表达的孤儿G蛋白结合受体141作为炎症抑制剂起作用
Atsuya Sawabe1, Shogo Okazaki2, Akira Nakamura1
1Division of Immunology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, 1-15-1, Fukumuro, Sendai 983-8536, Japan.
Journal of leukocyte biology
|January 16, 2024
概括
G蛋白结合受体141 (GPR141) 抑制免疫反应. 缺乏GPR141的小鼠表现出恶化的实验性自身免疫脑膜炎,这表明GPR141针对慢性炎症性疾病.
科学领域:
- 免疫学 免疫学 免疫学
- 神经科学是一个神经科学.
- 细胞生物学 细胞生物学
背景情况:
- G蛋白结合受体 (GPCRs) 是细胞过程和免疫反应的关键调节者.
- 包括GPR141在内的许多GPCR在中枢神经系统自身免疫性疾病中的特定作用尚不清楚.
研究的目的:
- 研究孤儿GPCR,GPR141在免疫调节中的功能.
- 为了确定GPR141在实验性自身免疫脑膜炎 (EAE) 的参与,多发性硬化症的模型.
主要方法:
- 生成的Gpr141淘汰赛 (Gpr141-/-) 小鼠.
- 在野生型和Gpr141-/-小鼠中分析了髓状细胞群和分化.
- 在EAE模型中评估疾病严重程度和免疫细胞透.
- 测量了淋巴细胞和树突细胞的细胞因子生产.
主要成果:
- GPR141在骨髓系细胞中高度表达,包括中性粒细胞,单细胞,巨细胞和树突细胞.
- Gpr141-/-小鼠表现出加剧的EAE症状,脊髓炎症增加和免疫细胞透.
- 来自Gpr141-/-小鼠的淋巴细胞产生了较高水平的促炎细胞因子 (IFN-γ,IL-17A,IL-6).
- 来自Gpr141-/-小鼠的树突细胞增强了T细胞细胞因子的产生.
结论:
- GPR141作为免疫反应的负调节剂,特别是通过调节单细胞和树突细胞功能.
- 向GPR141为管理中枢神经系统的慢性炎症和自身免疫性疾病提供了潜在的治疗策略.
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