公共卫生 公共卫生
Carol E Franz1,2, Erik Buchholz1,3, Tyler R Bell1
1University of California San Diego, La Jolla, CA, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
可修改的痴呆风险因素很少解释阿尔茨海默病生物标志物变异,但比APOE或年龄更有影响. 葡萄糖,BMI和空气污染等关键因素提供了干预机会.
科学领域:
- 神经学 神经学
- 老年学是指老年学的学科.
- 公共卫生 公共卫生
背景情况:
- 2024年柳叶刀委员会确定了14个可修改的痴呆症风险因素,可能将发病率降低45%.
- 有限的研究同时检查了这些因素与阿尔茨海默病 (AD) 生物标志物和轻度认知障碍 (MCI) 相比.
研究的目的:
- 研究14个可修改的风险因素对AD相关的血生物标志物和MCI的集体影响.
- 为了比较这些风险因素对年龄和APOE状态的影响.
主要方法:
- 利用了来自越南时代双胞胎老龄化研究中的936名男性的数据 (平均年龄62岁).
- 评估了14个风险因素,包括教育,生活方式和环境暴露 (PM2.5).
- 在68岁的平均年龄测量了血生物标志物 (Aβ42/40,pTau231,NfL,GFAP) 和MCI诊断,使用随机森林分析.
主要成果:
- 可修改的风险因素解释了pTau231 (0%),Aβ42/40 (0%),NfL (7%) 和GFAP (8%) 的最小差异.
- 对MCI的预测准确率 (AUC) 为0.62.
- 禁食葡萄糖,教育和BMI是NfL的主要预测因素;BMI,教育和PM2.5是GFAP;血压,PM2.5和MCI的教育.
结论:
- 总而言之,14个风险因素在6年内解释了血生物标志物和MCI的有限变异.
- 可修改的因素比APOE或年龄有更大的影响.
- 一致的预测指标 (葡萄糖,BMI,PM2.5,教育) 强调了生活方式和环境干预对AD预防的重要性.
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