针对帕金森病的运动和情绪症状的个性化功能连接标记
Louisa Dahmani1, Yan Bai2, Wei Zhang3
1Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA, 02129; Department of Medical Imaging, Henan Provincial People's Hospital, Zhengzhou, Henan, China.
NeuroImage
|December 3, 2025
概括
这项研究确定了与帕金森病 (PD) 运动和情绪症状相关的特定大脑连接模式. 这些功能连接标志物为帕金森病的神经基础提供了洞察力.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 脑部成像 脑部成像
背景情况:
- 帕金森病 (PD) 呈现出各种运动和非运动症状,需要识别潜在的病理生理学标志物.
- 当前的研究往往优先考虑运动症状,忽视了与PD表现的全谱相关的标记物的需要.
- 个性化的功能连接标记对于理解PD的复杂性质至关重要.
研究的目的:
- 发现可靠的,个性化的功能连接标记,与帕金森病的运动和情绪症状相关.
- 在个体水平上对功能连接体进行表征,以精确测量连接性.
- 研究特定网络连接对运动和情绪症状的差异性贡献.
主要方法:
- 一项病例控制研究涉及166名患有PD的患者和51名健康对照.
- 功能磁共振成像 (fMRI) 用于广泛采样和表征功能连接体.
- 多重线性回归模拟了功能连接标记和PD症状之间的关系.
主要成果:
- 44个功能连接的模型准确地预测了运动 (r = 0.21) 和情绪症状 (抑郁症:r = 0.23;焦虑:r = 0.21).
- 网络之间的连接 (传感器视觉) 预测了运动措施,而网络内部的连接 (岛屿,传感器) 预测了情绪症状.
- 岛屿区域对于预测抑郁和焦虑特别重要,研究结果在独立数据集中复制.
结论:
- 感官运动和视觉网络中的功能连接标记表明PD大脑病理.
- 独特的连接标记与帕金森病的运动和情绪症状有关.
- 这项研究为开发PD症状管理的个性化生物标志物提供了基础.
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