心血管速度压力产品与老年人患AD风险的NfL有关
Chinenye C Odo1,2, Joe Strong1,2, Sarah R Lose1,2
1Department of Medicine University of Wisconsin-Madison Madison Wisconsin USA.
Alzheimer's & dementia (Amsterdam, Netherlands)
|March 26, 2025
概括
高心血管率压力产物 (RPP) 与较高的神经纤维光 (NfL) 水平有关,这表明患有阿尔茨海默病风险的认知健康成年人的神经元损伤.
科学领域:
- 神经学 神经学
- 心血管科学 心血管科学
- 生物标志物研究 生物标志物研究
背景情况:
- 心血管速度升高的压力产物 (RPP) 预测死亡率和认知能力下降.
- RPP与神经退行性脑脊液 (CSF) 生物标志物的关系尚不清楚.
研究的目的:
- 调查RPP和CSF神经退行和神经炎症生物标志物之间的关联.
- 探索RPP作为风险人群中特定的CSF分析物的预测剂.
主要方法:
- 在310名患有阿尔茨海默病风险的认知正常成年人中对RPP的横截面评估.
- 测量CSF生物标志物,包括α-Synuclein,GFAP,神经纤维光 (NfL) 和总 tau.
- 对Aβ42/Aβ40,pTau181和pTau181/Aβ4比率的分析.
主要成果:
- RPP与较高的CSF NfL水平 (p ≤ 0.006) 有积极的关联.
- 没有发现RPP与其他测量的CSF生物标志物之间的显著关联.
- 心率 (HR) 与NfL积极相关,但系统性血压 (SBP) 不是.
结论:
- 由RPP表示的高心肌氧需求可能与神经元和轴突退化有关.
- 升高的RPP可能是神经退行性过程在认知不受损的个体的早期指标.
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