超越炎症:为什么理解大脑在炎症性关节炎中很重要
Eoin M Kelleher1,2, Rosario Meouchi3, Anushka Irani1,3
1University of Oxford, Oxford, UK.
Arthritis care & research
|November 14, 2025
概括
炎症性关节炎的持续性疼痛涉及中央疼痛处理,而不仅仅是关节炎症. 神经成像揭示了预测治疗反应的脑部变化,支持向治疗.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 类风湿病学 类风湿病学
背景情况:
- 炎症性关节炎的持续性疼痛通常会持续,尽管关节炎症得到控制.
- 这表明中心疼痛处理发生了变化,受到自上而下和自下而上机制的影响.
- 神经成像在体内提供了对与疼痛相关的大脑功能和结构的洞察.
研究的目的:
- 通过神经成像来探索中心疼痛处理在炎症性关节炎中的作用.
- 为了研究外周炎症对大脑活动的影响.
- 评估神经成像在预测治疗反应方面的潜力.
主要方法:
- 功能磁共振成像 (fMRI) 用于评估任务唤起和休息状态的大脑活动.
- 分析关键区域和网络中的大脑连接变化.
- 磁共振光谱 (MRS) 和结构性MRI用于评估神经化学和灰质变化.
- 评估瘤亡因子α (TNF-α) 抑制剂对大脑活动的影响.
主要成果:
- 在炎症性关节炎患者中,fMRI显示大脑活动和连接性发生变化,与疼痛和疲劳相关.
- TNF-α抑制剂迅速使与疼痛相关的大脑激活正常化,先于关节症状的改善.
- 基线中枢神经系统疼痛激活预测对TNF-α阻塞的反应.
- MRS表明与疲劳相关的神经化学变化,但明显的神经炎症证据有限.
- 结构性MRI显示了感官,认知和情感处理区域的灰色物质变化.
结论:
- 炎症性关节炎的持续性疼痛涉及到影响中央疼痛处理的自上而下的和自下而上的机制.
- 神经成像是了解这些机制的宝贵工具,并有可能为治疗分层提供帮助.
- 针对免疫和大脑的途径可能会导致更有效的疗法.
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