在基于人口的特罗姆索研究中,纵向和并发的C-反应蛋白和饮食与认知功能的关联
Olena Iakunchykova1, Henrik Schirmer2,3, James M Roe1
1Department of Psychology, University of Oslo, Oslo, Norway.
Journal of Alzheimer's disease : JAD
|February 2, 2025
概括
血清C反应蛋白 (CRP) 的增加与阿尔茨海默病的认知衰退有关,反映了炎症变化. 通过饮食炎症指数 (DII) 测量饮食,显示与认知功能有相反的关联.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 老年学是一门学科.
背景情况:
- 免疫失调与阿尔茨海默病 (AD) 有关,但机制和时间尚不清楚.
- 调查炎症标志物和饮食模式对于理解AD的发病过程至关重要.
研究的目的:
- 检查血清C反应蛋白 (CRP) 和饮食炎症指数 (DII) 与AD认知衰退之间的关联.
- 为了确定CRP是否通过时间调解饮食和认知功能之间的关系.
主要方法:
- 对来自特罗姆索6和特罗姆索7队伍的7613名参与者的分析 (2007-2016).
- 使用线性回归和线性混合模型进行横截面和纵向分析.
- 调解分析以评估CRP在饮食-认知关联中的作用.
主要成果:
- 无论是CRP还是DII,都与认知功能 (精神运动速度,执行功能) 交叉截面相反相关.
- 在7年后,基线CRP和认知功能之间没有潜在的关联.
- 增加的CRP水平与认知功能的下降相关 (心理运动速度,执行功能,口头记忆) 超过7年.
结论:
- CRP的增加很可能反映了与AD认知衰退同时发生的炎症性环境变化.
- CRP可能是影响认知的正在进行的炎症过程的标志物,而不是基于基线水平的未来下降的直接预测因素.
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