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生物标志物生物标志物

Gaigai Lu¹, Xiang Fan¹, Keyan Yu¹

¹Peking University Shenzhen Hospital, Shenzhen, Guangdong, China.

Alzheimer's & dementia : the journal of the Alzheimer's Association

|December 26, 2025

概括

小型VCP交互蛋白 (SVIP) 显示出作为轻度认知障碍 (MCI) 的血液生物标志物具有前景. 在MCI患者中,血SVIP水平显著降低,在检测方面表现优于含有瓦洛辛的蛋白质 (VCP).

科学领域:

神经科学是一个神经科学.
生物化学生物化学
生物标志物发现发现

背景情况:

轻度认知障碍 (MCI) 是阿尔茨海默病 (AD) 的早期指标.
目前的AD血液生物标志物如p-tau的度较低.
含有瓦洛的蛋白质 (VCP) 影响陶水平,但其血液诊断实用性尚不清楚,可能因其大小而受到限制.

研究的目的:

为了调查MCI的血小VCP相互作用蛋白 (SVIP) 的诊断性能.
为了比较SVIP对含有瓦洛辛蛋白 (VCP) 的疗效,作为MCI的血液生物标志物.

主要方法:

从STAR队列中分析了84名参与者 (44名认知正常,40名MCI).
使用深度血蛋白质组学量化了血SVIP和VCP水平.
接收器操作特征 (ROC) 分析评估了诊断性能.

主要成果:

与对照组相比,MCI患者的血SVIP水平显著降低 (p < 0.001).
在MCI和对照组之间没有发现血VCP水平的显著差异 (p = 0.823).
在SVIP中,MCI的诊断准确度很高,AUC为0.836,而VCP的AUC为0.513.

结论:

血SVIP是一种潜在的基于血液的生物标志物,用于检测MCI.
含有瓦洛辛的蛋白质 (VCP) 不太可能成为MCI的有效血液生物标志物,可能是由于其较大的分子大小.

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