生物标志物 生物标志物
Sokratis Charisis1, Sophia Lu2, Jesus D Melgarejo3,4
1Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases, University of Texas Health Sciences Center at San Antonio, San Antonio, TX, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
较低的小密度LDL胆固醇 (sdLDL-C) 和较高的阿波利波蛋白B48 (ApoB48) 水平与阿尔茨海默病 (AD) 的风险降低有关. 这些脂蛋白标记物可能有助于AD风险评估和痴呆症预防策略.
科学领域:
- 心血管健康和神经病学
- 脂质代谢和神经退行性疾病
背景情况:
- 脂蛋白代谢蛋白可能会将心血管健康和阿尔茨海默病 (AD) 风险联系起来.
- 脂蛋白E和J已经建立了联系,但其他脂蛋白需要研究.
研究的目的:
- 在社区样本中调查各种血脂蛋白度和事件AD之间的关联.
- 通过脂蛋白分析探索心血管健康和AD风险之间的生理联系.
主要方法:
- 来自弗雷明汉心脏研究的822名参与者的分析 (≥60岁,没有痴呆症).
- 通过免疫度测定和ELISA测量HDL-C,LDL-C,sdLDL-C,Lp(a),ApoB和ApoB48度的测量.
- 到2020年,对AD发病率进行纵向监测,使用Cox比例危险回归进行分析.
主要成果:
- 超过12.55年的中位数随访,128名参与者发展了AD.
- 标准偏差单位增加的ln(sdLDL-C) 与21%的阿尔茨海默病风险增加有关 (HR=1.21).
- 标准偏差单位增加的ln(ApoB48) 与阿尔茨海默病风险降低22%有关 (HR=0.78).
结论:
- 较低的sdLDL-C和较高的ApoB48度与AD风险降低相关.
- 血脂蛋白标记物显示AD风险分层的潜力.
- 脂质修饰策略可能在痴呆症预防中发挥作用.
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