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当代阿耳茨海默病研究

Editor-in-Chief

ISSN (Print): 1567-2050
ISSN (Online): 1875-5828

Research Article

阿尔茨海默病中的脑脊液炎症标志物:合并症的影响

卷 18, 期 2, 2021

发表于: 30 March, 2021

页: [157 - 170] 页: 14

弟呕挨: 10.2174/1567205018666210330162207

open access plus

摘要

背景:阿尔茨海默病(AD)在几年后发展为痴呆,主观认知障碍(SCI)和轻度认知障碍(MCI)被用作日益严重的中间诊断。炎症是 AD 病理学的重要组成部分,并提供潜在的新型生物标志物和治疗目标。 目的:鉴定脑脊液 (CSF) 中 AD 的新型潜在生物标志物,并创建炎症因子的分子模式,以区分 AD 和 SCI。 方法:我们分析了 SCI 和 AD 病例队列(训练队列)中 CSF 样本中的 43 种炎症相关介质。使用多变量分析 (MVA),产生了一个区分 SCI 和 AD 的模型,然后我们将其应用于更大的未经审查的队列(称为测试队列)。数据分析了显示诊断组之间差异的因素以及经过审查和未经审查的队列之间存在差异的因素。研究了这些因素与模型和临床诊断之间的一致性的关系。 结果:从训练队列中产生了一个良好的 MVA 模型,能够在不包括缠结和斑块生物标志物的情况下将 AD 与 SCI 区分开来。该模型与测试队列中的临床诊断有 50% 的一致性。队列的比较表明区分 SCI 和 AD 的因素的不同模式。例如,可溶性白细胞介素 (IL)-6Rα 在训练组的 AD 病例中显示出较低的水平,而在测试组的 AD 病例中,胎盘生长因子 (PlGF) 和血清淀粉样蛋白 A (SAA) 的水平较高。训练组的 p-tau 水平也更高。 结论:本研究通过根据是否存在潜在的混杂合并症来指示 CSF 中的不同因素模式,提供了关于炎症在 AD 中的参与的新知识,并提出 sIL-6Rα 作为改进 AD 诊断的潜在新生物标志物。

关键词: 阿尔茨海默病、生物标志物、脑脊液、诊断、炎症、多变量分析。

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