临床表现 临床表现
Gabriela Tomé Oliveira Engelmann1,2,3, Giovanna Correia Pereira Moro1,2,4, Ivonne Carolina Bolaños Burgos5
1Older Adult's Psychiatry and Psychology Extension Program (PROEPSI), School of Medicine, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
较高的酸化陶蛋白 (p-Tau 181) 水平与老年人记忆和认知评估表现较差相关. 这一发现有助于理解阿尔茨海默病的进展和危险因素.
科学领域:
- 神经科学是一个神经科学.
- 生物标志物研究 生物标志物研究
- 老年学是一门学科.
背景情况:
- 了解阿尔茨海默病 (AD) 生物标志物和认知衰退对于识别痴呆症风险因素至关重要.
- 痴呆症评分表 (DRS) 评估认知功能,而脑脊液 (CSF) 生物标志物如Aβ42和p-Tau 181表明AD病理.
研究的目的:
- 调查中枢神经液Aβ42,p-Tau 181水平与老年人DRS表现之间的关联.
- 确定这些生物标志物是否可以预测认知能力下降和转化为阿尔茨海默氏症痴呆症 (ADD).
主要方法:
- 分析了64名参与者 (认知无障碍,轻度认知障碍,ADD).
- 使用Luminex xMAP测量了CSF Aβ42和p-Tau 181的水平.
- 进行了斯皮尔曼相关性和调整线性回归分析,以评估生物标志物和DRS性能之间的关系.
主要成果:
- 脑液p-Tau 181水平升高与DRS记忆和总分数 (DRST) 的表现差显著相关.
- 在CSF Aβ42和DRS性能之间没有观察到显著的相关性.
- p-Tau 181/Aβ42比率也与记忆和DRST得分有显著的负相关性.
结论:
- 较高的p-Tau 181水平与较差的认知功能有关,特别是在记忆中,根据DRS测量.
- 即使调整了社会人口统计学因素后,这种关联仍然存在,突出显示了p-Tau 181作为阿尔茨海默病认知能力下降的预测生物标志物的潜力.
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