生物标志物 生物标志物
Mengna Zhang1, Guray Erus2, Yuhan Cui3
1Vanderbilt Memory and Alzheimer's Center, Vanderbilt University School of Medicine, Nashville, TN, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
APOE ε4基因变异影响阿尔茨海默氏症 (AD) 中的大脑缩模式,最初在女性身上看到了影响. 然而,这种大脑缩的进展在两性中都是相似的.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 老年学是一门学科.
背景情况:
- 阿尔茨海默病 (AD) 是一种神经退行性疾病.
- APOE ε4等位基因是阿尔茨海默病最强的遗传风险因素.
- APOE ε4 呈现出取决于性别的效应,对女性构成更大的风险.
研究的目的:
- 调查APOE ε4载体状态是否影响通过SPARE-AD指数测量的大脑缩模式.
- 确定这些效应是否因性别而改变.
主要方法:
- 利用了来自四个AD和认知衰老队伍的3,289名参与者的数据.
- 使用非线性模式分类方法计算了SPARE-AD指数.
- 采用横截面和纵向分析,包括性别分层和元分析.
主要成果:
- 在基线,APOE ε4载体表现出更高的SPARE-AD指数,在女性中显著.
- 在认知上没有受损的个体,SPARE-AD的进展速度比MCI的个体慢.
- APOE ε4 携带者表现出加速的SPARE-AD进展,不论性别.
结论:
- 携带APOE ε4的状态会影响大脑缩的模式和进展.
- 在女性中,APOE ε4对大脑缩的基线影响更为明显.
- 与APOE ε4相关的大脑缩的纵向进展率在两性之间是相似的.
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