生物标志物 生物标志物
Vanessa M Young1,2, Crystal Wiedner1, Andrée-Ann Baril3,4,5
1Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases, University of Texas Health Science Center, San Antonio, TX, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
较长的睡眠时间与男性神经退行性生物标志物增加有关,但与女性无关. 这表明,对睡眠障碍的性别特异性炎症反应可能会影响阿尔茨海默病的风险.
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
- 睡眠科学 睡眠科学
背景情况:
- 睡眠障碍与神经退行以及阿尔茨海默病 (AD) 风险增加有关.
- 睡眠时间与神经退行和AD病理的血液生物标志物 (BBM) 之间的关联需要进一步研究,特别是关于性别差异.
研究的目的:
- 检查自我报告的睡眠时间与神经退行 (t-tau,NfL) 的BBMs,AD病理 (p-tau-181) 和星球细胞激活 (GFAP) 之间的横截面关联.
- 探索这些关系的潜在性别特异性影响.
主要方法:
- 利用了2,254名参与者的数据 (弗雷明汉心脏研究队列).
- 通过问卷评估睡眠时间,并使用SIMOA测定测量血t-tau,p-tau-181,GFAP和血清NfL.
- 以各种共同变量进行调整,包括年龄,性别,心血管风险因素和抑郁症.
主要成果:
- 睡眠时间较长与总体上较高的t-tau水平有关.
- 对于t-tau,NfL和GFAP发现了统计学意义上的性别相互作用.
- 男人,但不是女性,显示了更长的睡眠时间和升高的t-tau,NfL和GFAP水平之间的积极联系.
结论:
- 性行为显著改变了睡眠时间和神经退行症和星病的BBM之间的关联.
- 与女性相比,男性对睡眠障碍的炎症反应较强,这可能解释了性别特定的生物标志物发现.
- 强调需要在睡眠和神经退行研究中进行性别特定分析,未来的研究需要客观的睡眠测量.
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