血金属与静止状态功能连接在缺血性中风中的关联
Xiaoxiao Song1, Jianxing Meng2, Jiale Li3
1Guangxi University of Chinese Medicine, 13 Wuhe Avenue, Nanning, Guangxi 530200, China.
Neurotoxicology
|July 26, 2024
概括
这项研究发现,较高的 (Cr) 和铜 (Cu) 等金属的血含量与缺血性中风患者的大脑连接的改变有关. 这些金属暴露可能会影响中风后的运动控制和认知功能.
科学领域:
- 神经科学是一个神经科学.
- 环境健康 环境健康
- 毒理学 毒理学 毒理学
背景情况:
- 暴露于金属是缺血性中风的已知危险因素.
- 关于金属暴露如何影响中风后大脑功能的数据有限.
- 这项研究调查了缺血性中风患者的金属暴露与静止状态功能连接 (rs-FC) 之间的联系.
研究的目的:
- 探索暴露于各种金属和 rs-FC.变化之间的相关性.
- 评估金属混合物对缺血性中风风险的影响.
- 为了确定与中风患者大脑连接性改变相关的特定金属.
主要方法:
- 包括28名急性缺血性中风患者和28名健康对照.
- 使用MRI进行脑成像和ICP-MS测量血金属水平 (19种金属).
- 采用BKMR和WQS模型进行混合物分析和对各金属对rs-FC的影响的相关性分析.
主要成果:
- 与对照组相比,缺血性中风患者的双边大脑连接性下降.
- 在患者中观察到血Cr,Cu,As,Cs,Rb和Sb的升高水平,以及较低的Tl水平.
- 结合金属暴露与更高的中风风险有关,特定的金属 (Cr,Cu,Tl,Cs,Sb) 在不同大脑区域与rs-FC相关.
结论:
- 血中的Cr,Cu,Tl,Cs和Sb度与中风患者的RS-FC变化有关.
- 这些变化影响了对运动控制,感官整合,执行功能,语言和情绪调节至关重要的大脑区域.
- 研究结果强调了特定金属暴露在缺血性中风后的神经生物学变化中的作用.
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