炎症蛋白与大脑MRI测量相关:弗雷明汉姆后代队列
Jiachen Chen1, Ahmed A Y Ragab1, Margaret F Doyle2
1Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|September 16, 2024
概括
炎症生物标志物与大脑体积变化有关,主要在男性中观察到相关性. 特定标记与较小或较大的总脑大脑体积和白质体积相关.
科学领域:
- 神经成像是一种神经成像.
- 生物标志物 生物标志物
- 神经炎症是一种神经炎症.
背景情况:
- 大脑MRI和炎症生物标志物对于研究临床前神经认知障碍至关重要.
- 目前的研究往往检查有限数量的炎症标志物.
- 弗雷明汉心脏研究为研究这些关系提供了有价值的队列.
研究的目的:
- 调查广泛的炎症生物标志物与大脑MRI测量之间的关联.
- 检查这些协会中潜在的性别差异.
- 为了探索炎症和大脑结构之间的联系,在一个良好的特征队列.
主要方法:
- 利用OLINK蛋白质组学来进行全面的生物标志物分析.
- 对没有痴呆和中风的参与者进行了MRI测量.
- 对68个生物标志物和13个脑MRI卷进行了横截面分析,并对共变量和家族相关性进行了调整.
主要成果:
- 增加的CDCP1,IL6,OPG和4E.BP1与较小的总脑大脑体积 (TCBV) 相相关.
- 较高的HGF,IL8和MMP10与TCBV和白质量 (CWV,FWV) 的减少有关.
- 增加的SCF和TWEAK水平与较大的TCBV有关,所有显著的关联仅在男性中观察到.
结论:
- 几种炎症生物标志物与大脑体积有显著的关联.
- 这些关联,特别是关于TCBV和白质完整性的关联,主要在男性中观察到.
- 这些发现强调了在神经炎症研究中将性别视为生物变量的重要性.
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