生物标志物 生物标志物
Caroline Dallaire-Théroux1, Rosalie Cottez1,2, Olivier Potvin3
1Université Laval / CHU de Québec, Quebec City, QC, Canada.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
血清胎盘生长因子 (PlGF) 在阿尔茨海默病 (AD) 患者中显示出作为脑血管疾病 (CVD) 的生物标志物,特别是脑微血,具有前途. 它的关联在男性和APOE4载体中最强.
科学领域:
- 神经科学是一个神经科学.
- 生物标志物发现发现
- 血管生物学 血管生物学
背景情况:
- 阿尔茨海默病 (AD) 生物标志物研究往往忽略了血管因素.
- 血管新生标志物,如胎盘生长因子 (PlGF),有望检测血管对AD的贡献.
- PlGF参与血管化,透性,并对大脑缺血反应.
研究的目的:
- 调查血清PlGF水平与MRI定义的大脑血管疾病 (CVD) 标志物在认知障碍和AD患者之间的关联.
- 探索PlGF,血管风险因素,认知状态和AD生物标志物之间的潜在相关性.
主要方法:
- 血清PlGF测量了主观认知障碍,轻度认知障碍,早期AD和对照组的参与者.
- 评估了心血管疾病的MRI标志物,包括白质强度过高 (WMH) 量和微型血液.
- 统计分析,包括ANOVA和回归模型,检查了PlGF,临床群体,人口统计,血管因素和AD生物标志物之间的关系.
主要成果:
- 男性的血清Plgf水平较高,并且随年龄增加,但在临床组之间没有显著差异.
- PlGF与腰部尺寸,体重,甘油三和腹压血压呈现趋势的正相关性.
- PlGF水平与全脑和深脑小脑微型血液相关,但没有WMH. 这种关联在APOE4载体和男性中持续存在.
结论:
- 血清PlGF是心血管疾病的潜在生物标志物,特别是阿尔茨海默病中的脑微型血液.
- PlGF在心血管疾病中的作用在特定的亚群中可能特别重要,例如APOE4载体.
- 了解PlGF与心血管疾病的联系对于监测AD新疗法的安全性和有效性至关重要.
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