在症状和无症状的克鲁茨菲尔特-雅各布病中,多维病理的外周特征
Zhong-Yun Chen1, Min Chu1, Yi-Hao Wang1
1Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China.
CNS neuroscience & therapeutics
|January 23, 2026
概括
在克鲁茨菲尔特-雅各布病 (CJD) 中的血生物标志物显示出强大的诊断潜力,并揭示了多系统参与. 在无症状携带者中,周围标记在很大程度上是正常的,直到接近疾病发作.
科学领域:
- 神经科学是一个神经科学.
- 生物标志物发现发现
- 子疾病是子疾病.
背景情况:
- 克鲁茨菲尔特-雅各布病 (CJD) 的已确定的血标志物集中在神经元损伤上.
- 在CJD中,用于质激活,突触功能障碍和血管损伤的外周生物标志物较少被探索.
- 对这些标记物的系统评估可以改善CJD的诊断,并确定早期的病理生理学.
研究的目的:
- 系统地评估症状CJD和无症状PRNP突变载体中的外周血生物标志物.
- 评估CJD的诊断潜力和早期病理生理变化.
- 为了研究神经元损伤的标记物,质激活,突触功能和血管完整性.
主要方法:
- 未来的队列研究包括CJD,前性痴呆症 (FTD),健康对照 (HCs) 和临床前家族CJD血统.
- 测量16种与神经元损伤,质激活,突触功能和血管/血脑屏障 (BBB) 完整性相关的血蛋白.
- 分析包括群体差异,区分性表现,与临床/成像数据的相关性以及纵向轨迹.
主要成果:
- 症状性CJD显示血神经丝光 (NfL),总tau (t-tau) 和状纤维酸蛋白 (GFAP) 的升高,具有高诊断准确度.
- 血管标志物VCAM-1在CJD中升高,与临床衰退和DWI过强度相关,表明BBB功能障碍.
- 无症状携带者通常具有正常和稳定的生物标志物水平,NfL,GFAP和VCAM-1的轻微预症状升高仅在某些突变类型的发病前观察到.
结论:
- 在CJD中的血生物标志物反映了多系统参与,神经元标志物提供强大的歧视潜力.
- 血管蛋白质升高表明CJD中潜在的血脑屏障功能障碍.
- 在无症状携带者中,显著的生物标志物变化可能只会在临床发病接近时表现出来,特别是在进展较慢的突变中.
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