CSF amyloid is a consistent predictor of white matter hyperintensities across the disease course from aging to Alzheimer's disease

CSF amyloid is a consistent predictor of white matter hyperintensities across the disease course from aging to Alzheimer's disease
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脑脊液淀粉样蛋白是从衰老到阿尔茨海默病的整个病程中白质高信号的一致预测因子

DOI:
10.1016/j.neurobiolaging.2020.03.008
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发表时间:
2020
影响因子:
4.2
通讯作者:
J. Barnes
J. Barnes
中科院分区:
医学2区
文献类型:
--
作者:
Phoebe Walsh;C. Sudre;Cassidy M. Fiford;N. Ryan;T. Lashley;C. Frost;J. Barnes

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本研究探讨了白色高信号(WMH)和脑脊液(CSF)阿尔茨海默病(AD)生物标志物之间的关系。受试者包括180名对照者、107名有显著记忆问题的个体、320名早期轻度认知障碍个体、171名晚期轻度认知障碍个体和151名AD个体,具有3 T MRI和CSF Aβ1-42、总tau(t-tau)和磷酸化tau(p-tau)数据。多元线性回归模型评估了WMH与CSF Aβ1-42、t-tau和p-tau之间的关系。在方向上,每个诊断组内较高的WMH负荷与较低的CSF Aβ1-42相关,没有证据表明诊断组间的相关性斜率存在差异(p= 0.4)。合并所有参与者,在调整t-tau,p-tau,年龄,诊断组和APOE-ε4状态后,这种关联具有统计学意义(p< 0.001)。与CSF Aβ1-42(部分R2~5%)相比,年龄是WMH的最强预测因子(部分R2~16%)。没有证据表明WMH与t-tau或p-tau相关。这些数据支持淀粉样蛋白负荷和假定的血管病理学之间的联系。
This study investigated the relationship between white matter hyperintensities (WMH) and cerebrospinal fluid (CSF) Alzheimer's disease (AD) biomarkers. Subjects included 180 controls, 107 individuals with a significant memory concern, 320 individuals with early mild cognitive impairment, 171 individuals with late mild cognitive impairment, and 151 individuals with AD, with 3T MRI and CSF Aβ1-42, total tau (t-tau), and phosphorylated tau (p-tau) data. Multiple linear regression models assessed the relationship between WMH and CSF Aβ1-42, t-tau, and p-tau. Directionally, a higher WMH burden was associated with lower CSF Aβ1-42 within each diagnostic group, with no evidence for a difference in the slope of the association across diagnostic groups (p= 0.4). Pooling all participants, this association was statistically significant after adjustment for t-tau, p-tau, age, diagnostic group, and APOE-ε4 status (p< 0.001). Age was the strongest predictor of WMH (partial R2~16%) compared with CSF Aβ1-42 (partial R2~5%). There was no evidence for an association with WMH and either t-tau or p-tau. These data are supportive of a link between amyloid burden and presumed vascular pathology.
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