在实验性自身免疫脑膜炎中评分中枢神经系统炎症,脱线和轴骨损伤
Carmen C Ucciferri1, Annette Gower2, Nuria Alvarez-Sanchez3
1Department of Immunology, University of Toronto.
Journal of visualized experiments : JoVE
|March 11, 2024
概括
组织学评分和血清神经丝光测量补充了实验性自身免疫脑膜炎 (EAE) 的临床评估,这是多发性硬化症模型. 这种方法可以更全面地评估中枢神经系统 (CNS) 损伤和EAE研究中的恢复.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 病理学 病理学 病理学
背景情况:
- 实验性自身免疫脑膜炎 (EAE) 是用于研究多发性硬化症 (MS) 的广泛使用的动物模型.
- 目前针对EAE严重性的临床评分方法可能不准确地反映疾病恢复,特别是在MOG诱导EAE这样的模型中,炎症会消失,但得分仍然很高.
- 组织学评估和生物标志物对于全面了解中枢神经系统 (CNS) 病理和EAE损伤机制至关重要.
研究的目的:
- 在小鼠脊髓和大脑部分中进行EAE组织学评估的标准化方案.
- 引入一种测量可溶性神经丝光 (sNF-L) 在小鼠血清中的方法,作为中枢神经系统损伤的生物标志物.
- 通过结合临床,组织学和生物化学措施,提供更准确和更完整的EAE严重性和恢复评估.
主要方法:
- 开发一种用于从EAE小鼠中准备和染色脊髓和大脑组织部分的协议.
- 在脊髓中进行炎症,脱髓化和轴突损伤的组织学评分.
- 脊髓炎炎症评分方法对大脑部分的应用.
- 使用小分子检测 (SIMOA) 测量血清sNF-L水平.
主要成果:
- 本方案允许对EAE中中枢神经系统病理的详细组织学评估.
- 组织学评分补充临床评估,提供有关炎症,脱髓化和轴突损伤的见解.
- 血清sNF-L水平与活体EAE小鼠中总体中枢神经系统损伤的程度相关.
结论:
- 对EAE的组织学评分提供了比单独的临床评分更详细的中枢神经系统病理学的评估.
- 测量血清sNF-L提供了一种非侵入性的方法来量化EAE模型中中枢神经系统损伤.
- 将临床评分与组织学分析和sNF-L测量相结合,可以提高EAE和恢复的评估,有助于研究多发性硬化症的发病和治疗策略.
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