动脉样硬化中破坏结构网络弹性:一项大型队列研究
Hui Tang1, Wanlin Zhu2, Jing Jing2
1Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China.
Brain research
|April 19, 2025
概括
动脉样硬化会影响大脑网络的弹性和认知功能. 结构网络弹性 (SNR) 是患有动脉样硬化症的老年人认知能力下降的潜在生物标志物.
科学领域:
- 神经科学是一个神经科学.
- 血管生物学 血管生物学
- 认知老龄化 认知老龄化
背景情况:
- 动脉样硬化是与年龄相关的认知衰退的关键因素,通常与白质超强度有关.
- 动脉样硬化对大脑弹性及其随后对认知的影响的影响尚未得到充分理解.
- 这项研究探讨了动脉样硬化,白质变化和与认知表现相关的大脑网络弹性之间的相互作用.
研究的目的:
- 为了研究动脉样硬化,白质超强度和结构网络弹性之间的关系.
- 检查这些因素对老年人认知功能的综合影响.
- 在动脉样硬化背景下识别潜在的认知衰退的生物标志物.
主要方法:
- 利用了认知障碍和血管事件多血管评估队列 (n=2160) 的数据.
- 构建基于白质超强度的全脑结构网络和模拟断开连接.
- 使用结构网络弹性 (SNR) 量化结构网络弹性,通过模拟断开前后的枢纽节点相似性来定义.
主要成果:
- 结构网络弹性 (SNR) 与动脉状况的关联比白质超强度更强.
- 与动脉样硬化相关的认知衰退部分是由白质过强度和结构网络弹性降低的双重介导.
- 动脉样硬化加速大脑结构网络弹性随着年龄的增长而下降.
结论:
- 结构网络弹性 (SNR) 提供了关于动脉样硬化相关认知衰退的宝贵见解,并可能作为大脑健康的生物标志物.
- SNR有可能指导治疗策略来管理动脉样硬化及其认知后果.
- 了解大脑弹性对于解决受血管疾病影响的老年人群的认知障碍至关重要.
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