生物标志物 生物标志物
Patrick J Smith1, Kim G Johnson2, Heidi L Roth3
1University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
概括
大脑脊髓液 (CSF) 中的阿尔茨海默病和相关痴呆症 (ADRD) 生物标志物显示出与年龄和APOE风险的显著关联,可能在中年出现. 这些发现对于了解早期ADRD生物标志物变化至关重要.
科学领域:
- 神经学 神经学
- 生物标志物发现发现
- 老年学是一门学科.
背景情况:
- 脑脊液 (CSF) 生物标志物对于诊断阿尔茨海默病和相关痴呆症 (ADRD) 是至关重要的.
- 它们对中年人的有用性需要进一步调查.
- 这项研究检查了成年人一生中ADRD生物标志物概况.
研究的目的:
- 调查年龄和APOE风险与ADRD生物标志物概况的关联.
- 为了确定这些关联是否从中年开始.
- 在一个多样化的成年人队伍中描述CSF生物标志物模式.
主要方法:
- 在来自杜克-UNC ADRC队列的162名参与者中分析了CSF生物标志物 (Aβ42/40,p-tau181,NfL).
- 生物标志物水平与人口和临床因素的相关性,包括年龄和APOE基因型.
- 线性回归模型用于评估生物标志物和共变量之间的关系.
主要成果:
- 年龄和APOE风险是ADRD生物标志物水平的显著相关.
- 高龄与较低的Aβ42/40和较高的p-tau181和NfL相关.
- APOE风险等位基因携带者表现出类似的模式:较低的Aβ42/40和较高的p-tau181.1.
- 在一些人中,从中年开始观察到暗示ADRD的生物标志物水平.
结论:
- 年龄和APOE风险与ADRD生物标志物密切相关.
- 这些关联可能在中年开始,突出早期检测的潜力.
- 需要进一步的研究来阐明这些中年生物标志物变化的临床影响.
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