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淋巴系统可能会调解多发性硬化症中状和大脑损伤之间的关系
Paolo Preziosa1,2,3, Elisabetta Pagani1, Monica Margoni1,2,4
1Neuroimaging Research Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Neurology(R) neuroimmunology & neuroinflammation
|June 5, 2025
概括
在多发性硬化症 (MS) 中,状 (CP) 体积扩大与大脑损伤有关,可能是通过恶化淋巴系统功能障碍. 这项研究表明,淋巴管功能障碍在MS患者中介于CP扩大和脑损伤之间的关系.
科学领域:
- 神经免疫学 神经免疫学
- 神经成像是一种神经成像.
- 脑脊液动力学 脑脊液动力学
背景情况:
- 胸膜 (CP) 调节大脑免疫力和脑脊液 (CSF) 生产,这对淋巴系统至关重要.
- 在多发性硬化症 (MS) 中,观察到CP扩大和淋巴功能障碍,但它们与大脑损伤的关系尚不清楚.
研究的目的:
- 调查淋巴系统功能障碍是否调解了MS患者中CP扩大和脑损伤之间的关联.
- 探索CP体积,淋巴功能和MS中脑损伤标志物之间的联系.
主要方法:
- 从146名多发性硬化患者和72名健康对照 (HC) 获得了MRI扫描 (FLAIR,T1加权,DWI,SWI).
- 使用围血管空间 (DTI-ALPS) 上的扩散指数来评估淋巴功能.
- 进行了CP体积的自动测量.
主要成果:
- 与HC相比,MS患者表现出较大的CP和白质 (WM) 病变体积,以及较低的DTI-ALPS指数和大脑体积.
- 在MS中,CP体积增加与较低的DTI-ALPS指数和较高的WM损伤体积相关.
- DTI-ALPS指数部分调解了正常化CP体积和WM病变体积之间的关联,以及正常化大脑体积.
结论:
- 在MS中增加的正常化CP体积可能会导致大脑损伤.
- 这种贡献可能通过促进慢性炎症状态和调解淋巴系统功能障碍而发生.
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