生物标志物 生物标志物
Carlos A Gaona1, Vanessa M Young2,3,4, Crystal Wiedner4
1Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases, University of Texas Health Science Center, San Antonio, TX, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
抑郁症与总tau (t-tau) 水平升高有关,这是神经元损伤的标志物. 这项研究没有发现抑郁症与其他阿尔茨海默病生物标志物之间的联系,这表明可能涉及特定途径.
科学领域:
- 神经科学是一个神经科学.
- 生物标志物 生物标志物
- 神经退行性疾病 神经退行性疾病
背景情况:
- 抑郁症是诸如阿尔茨海默氏症 (AD) 等神经退行性疾病的已知危险因素.
- 抑郁症状与神经退行症的血液生物标志物 (BBM) 之间的关系尚未完全理解.
- 这项研究调查了抑郁症与关键BBM之间的联系:t-tau,NfL,GFAP和p-tau181.
研究的目的:
- 探索抑郁症和与神经退行症和AD病理学相关的特定BBM之间的横截面关联.
- 为了澄清抑郁症状和BBMs之间的有争议的关系.
主要方法:
- 利用了来自弗雷明汉心脏研究的数据 (后代检查9,Omni 1检查4).
- 抑郁症被定义为CES-D尺度上的分数≥16或抗抑郁药的使用.
- 使用单分子阵列 (SIMOA) 分析评估了t-tau,NfL,GFAP和p-tau181的血水平.
- 多变量回归模型根据人口,临床和遗传因素进行了调整.
主要成果:
- 在2,466名参与者中,19.8%的人报告有抑郁症.
- 抑郁症与较高的血t-tau水平显著相关 (p < 0.001).
- 在抑郁症和p-tau181,NfL或GFAP水平之间没有发现显著的关联.
结论:
- 抑郁症与增加的t-tau水平有关,这表明潜在的神经元损伤.
- 这些发现支持先前的研究表明,抑郁症状与AD病理生物标志物如p-tau181.1.不相关.
- 与t-tau的关联凸显了抑郁症和神经元损伤之间的潜在神经生物学联系.
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