在喘中肺-大脑轴信号的基础上的分子通路:与精神病理学和神经炎症的相关性
Kimberly A Dill-McFarland1, Matthew C Altman2, Stephane Esnault3
1Division of Allergy and Infectious Diseases, University of Washington, Seattle, Wash.
The Journal of allergy and clinical immunology
|September 20, 2023
概括
喘 喘 是一种
科学领域:
- 免疫学 免疫学 免疫学
- 神经科学是一个神经科学.
- 呼吸系统医学 呼吸系统医学
背景情况:
- 喘因其系统性影响而越来越被认可,影响大脑功能.
- 在呼吸道炎症期间,调解肺脑通信的精确信号通路尚不清楚.
研究的目的:
- 在喘相关的呼吸道炎症期间,阐明涉及 afferent肺-大脑通信的细胞和分子通路.
- 确定呼吸道炎症与大脑中神经反应之间的联系.
主要方法:
- 轻度喘的成年人用过敏原 (SBP-Ag) 进行了细分支气管挑,以诱导气道炎症.
- 支气管洗液被分析为蛋白质和基因表达 (RNA测序).
- 功能磁共振成像 (fMRI) 在SBP-Ag之前和之后评估神经对情绪线索的反应.
主要成果:
- 在肺部,SBP-Ag增加了乙氨基基和T助手17 (TH17) 相关的基因表达.
- 与TH17炎症和细胞增殖相关的基因在肺和大脑都被上调.
- 这些基因的表达增加与大脑突出网络的反应性增加有关.
结论:
- 确定了一种特定的炎症途径,将喘诱导的呼吸道炎症与与情绪有关的神经功能联系起来.
- 与抑郁症和神经炎症相关的TH17型炎症可能会调解喘的全身影响.
- 喘中的肺炎可能会对大脑健康产生深远的影响,这表明呼吸道以外的潜在治疗点.
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