公共卫生 公共卫生
Pablo Aguilar1,2,3, Thomas Monroe Holland4, Sam N Lockhart5
1Global Health Institute Barcelona (ISGlobal), Barcelona, Spain.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
邻居处境不利影响阿尔茨海默病 (AD) 风险在种族/族群和APOE4状态之间有所不同. 虽然非裔美国人更常生活在贫困地区,但认知影响主要出现在其他群体中,这表明社会劣势的各种影响.
科学领域:
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
- 老年学是指老年学的学科.
背景情况:
- 社会经济因素通过生物学途径影响阿尔茨海默病 (AD) 风险.
- 这些风险可能因遗传倾向 (APOE4),种族/民族和性别而有所不同.
- 区域贫困指数 (ADI) 量化了社区的劣势.
研究的目的:
- 调查邻居劣势 (ADI) 与认知功能,AD病理,灰质体积和白质超强度 (WMH) 之间的关联.
- 为了检查这些关联如何与种族/种族,性别和APOE4载体状态在认知不受损的老年人之间相互作用.
- 了解健康的社会决定因素和AD神经病理学之间的复杂相互作用.
主要方法:
- 利用了美国POINTER研究中的1896年认知能力不受损的老年人的数据.
- 使用线性/逻辑回归评估了ADI,认知表现 (PACC-5),灰质体积,WMH和AD病理 (粉样和PET).
- 研究了ADI与人口统计/遗传因素 (性别,种族/种族,APOE4状态) 之间的相互作用.
主要成果:
- 非洲裔美国人和女性更有可能居住在贫困地区.
- 非洲裔美国人表现出较低的认知分数 (PACC-5) 和灰质体积.
- APOE4载体的粉样蛋白负担较高,但在贫困地区,WMH增加和粉样蛋白负担较低,表明血管成分.
- 种族与认知分数和tau病理学上的ADI相互作用;APOE4状态与WMH和粉样蛋白负担上的ADI相互作用.
结论:
- 邻里处境不利不成比例地影响非裔美国人,但在种族/种族群体之间有不同的认知互动效应.
- 来自弱势社区的APOE4携带者表现出较高的血管成分 (WMH),以及潜在的较低的粉样蛋白病理.
- 研究结果表明,社会劣势可能对AD风险和进展产生不同的影响,这取决于个人和群体特征.
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