生物标志物 生物标志物
Tina T Vo1,2, Christine Fennema-Notestine1,2, Carol E Franz1,2
1University of California San Diego, La Jolla, CA, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
睡眠质量差与老年男性的高生物标志物有关,特别是那些患阿尔茨海默病 (AD) 遗传风险较低的人. 解决睡眠问题可能是预防AD的可修改因素.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 生物标志物 生物标志物
背景情况:
- 睡眠质量差在阿尔茨海默病和相关痴呆症 (AD/ADRD) 中很普遍.
- 新出现的证据表明,睡眠不足和AD风险增加之间存在潜在联系,但机制仍然不清楚.
- 这项研究调查了睡眠质量 (SQ),阿波利波蛋白E ɛ4 (APOE ɛ4) 基因型和基于血液的AD生物标志物之间的联系.
研究的目的:
- 为了检查睡眠质量与AD相关的血液生物标志物之间的关系.
- 在这些生物标志物上研究睡眠质量和APOE ɛ4基因型之间的相互作用.
- 探索潜在的途径,连接睡眠和AD的发病因子.
主要方法:
- 对来自越南时代老龄化双胞胎研究 (VETSA) 的938名男性进行横截面分析.
- 使用匹兹堡睡眠质量指数评估自我报告的睡眠质量.
- 测量血液生物标志物:Aβ42 / 40比率,化陶 (pTau231),神经丝光链 (NFL) 和状纤维酸性蛋白质 (GFAP).
- 根据e2和e4等位基的存在计算了加权的APOE得分.
主要成果:
- 较差的睡眠质量与升高的pTau231水平显著相关.
- 较高的遗传风险 (加权APOE得分) 与较低的Aβ42 / 40比率和增加的GFAP水平有关.
- APOE基因型和睡眠质量之间的显著相互作用表明,睡眠不足和升高的pTau231之间的关联在具有更高遗传风险的个体中较弱.
结论:
- 升高的pTau231可能表明早期的AD相关过程,这表明睡眠质量差可能与这些早期阶段有关.
- 对于AD遗传风险较低的人来说,睡眠质量差可能代表AD病变发生的另一种途径.
- 这些发现强调了睡眠质量的重要性,作为阿尔茨海默病的潜在可修改风险因素,并强调在与睡眠相关的研究中考虑遗传风险.
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