多基因危险评分预测了阿尔茨海默氏病连续体中的突触和轴突退化和认知衰退
Mohammad-Erfan Farhadieh1, Mehrdad Mozafar2, Saameh Sanaaee3
1Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Sciences and Technology, University of Isfahan, Isfahan, Iran.
Archives of gerontology and geriatrics
|August 3, 2024
概括
多基因危险评分 (PHS) 有效预测阿尔茨海默病 (AD) 连续性的认知衰退. 高风险个体显示加速损伤和生物标志物变化,改善疾病结果预测.
科学领域:
- 神经科学是一个神经科学.
- 生物标志物 生物标志物
- 遗传学 遗传学 是一个
背景情况:
- 与生长相关的蛋白-43 (GAP-43) 和神经纤维光 (NFL) 是已确立的突触和轴突损伤的生物标志物.
- 这些生物标志物与阿尔茨海默病 (AD) 连续体的认知衰退有关.
研究的目的:
- 调查多基因危险评分 (PHS) 与特定的AD生物标志物 (GAP-43,NFL) 和认知措施的关联.
- 确定PHS是否可以预测这些生物标志物与阿尔茨海默氏症认知衰退之间的关系.
主要方法:
- 招募了646名受试者:93人患有AD,350人患有轻度认知障碍 (MCI) 和203人对照.
- 计算了PHS,其值为0.21,定义了高风险个体.
- 在四年内对190名MCI患者的纵向分析评估了PHS与生物标志物,认知指标和MCI转化为AD的相关性.
主要成果:
- 在区分AD,MCI和对照组方面,PHS表现出高准确度.
- 与低风险患者相比,高风险的MCI患者表现出更大的认知障碍和更快的痴呆进展.
- 在高风险的MCI患者中,GAP-43与认知测试有显著的相关性,但在低风险的患者中没有.
结论:
- PHS是预测认知衰退和理解AD连续体中生物标志物-认知障碍关系的宝贵工具.
- 通过PHS对患者进行分层,可以提高预测AD的认知结果和疾病进展的预测.
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