生物标志物 生物标志物
Jiaming Lu1, Qian Chen1, Yajing Zhu2
1Department of Radiology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
在脑脊液 (CSF) 中发现的新的阿尔茨海默病 (AD) 生物标志物在诊断和预测疾病进展方面显示出高准确性. 这些代谢学发现为早期的阿尔茨海默病检测和干预提供了希望.
科学领域:
- 神经科学是一个神经科学.
- 生物化学 生物化学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 代谢分析正在扩大发现新的阿尔茨海默病 (AD) 生物标志物的潜力.
- 脑脊液 (CSF) 代谢学为识别AD的诊断和预后标志物提供了一个有希望的途径.
研究的目的:
- 为了确定新的脑脊液 (CSF) 代谢物生物标志物用于阿尔茨海默病 (AD) 的诊断和预测.
- 在独立的队列中评估已识别的CSF代谢物面板的诊断和预后性能.
主要方法:
- 对来自阿尔茨海默病神经成像计划 (ADNI) 的635名参与者中348种CSF代谢物的分析,这些参与者具有不同的认知状态 (CN,MCI,AD痴呆症).
- 将生物定义的AD+参与者和认知正常 (CN) 参与者从帕金森氏症进展标志物倡议 (PPMI) 纳入验证.
- 用先进的测定方法评估CSF Aβ42水平和代谢概况.
主要成果:
- 结合N-乙三氨酸和胆,对生物学 (AUC=0.961) 和临床 (AUC=0.833) 定义的AD.表现出高的诊断准确性.
- 四个代谢物小组实现了卓越的诊断准确性 (AUC=0.987和0.871) 并在外部队列中得到验证.
- 鉴定的生物标志物有效预测了AD痴呆症的临床进展,并与AD核心生物标志物和认知衰退相关联.
结论:
- 该研究确定了用于阿尔茨海默病 (AD) 诊断的高性能CSF代谢物生物标志物.
- 这些生物标志物显示出预测疾病进展的潜力,并有助于早期发现AD.
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