健康与衰老大脑研究-健康差异 (HABS-HD) 方法和合作伙伴特征
Melissa E Petersen1,2, Zhengyang Zhou3, James R Hall1,2
1Institute for Translational Research University of North Texas Health Science Center Fort Worth Texas USA.
Alzheimer's & dementia (New York, N. Y.)
|August 13, 2025
概括
健康与衰老大脑研究-健康差异 (HABS-HD) 揭示了不同种族/种族群体大脑健康的显著差异. 这些认知,生物标志物和社会因素的差异对于理解衰老和相关疾病至关重要.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 公共卫生 公共卫生
背景情况:
- 健康与衰老大脑研究-健康差异 (HABS-HD) 是一项正在进行的前性研究,调查大脑健康和衰老.
- 这项工作描述了队列的基线特征和研究方法.
研究的目的:
- 描述不同HABS-HD队列的基线人口统计,病史,认知状态和生物标记.
- 在非西班牙裔黑人 (NHB),西班牙裔和非西班牙裔白人 (NHW) 参与者中识别大脑衰老的差异.
主要方法:
- 分析了HABS-HD研究中的1066名NHB,1425名西班牙裔和1349名NHW参与者的数据.
- 人口,医学和诊断特征的描述性统计数据.
- 检查粉样蛋白 (A), (T) 和神经退行 (N) 生物标志物 (蛋白质和神经成像),认知表现和健康的社会决定因素 (SDoH) 的差异.
主要成果:
- 在年龄,教育,性别和认知诊断方面观察到显著的群体差异.
- 与NHW相比,NHB和西班牙裔参与者的认知障碍 (MCI,痴呆症),高血压和糖尿病的比率更高.
- 血 (A/T[N]) 生物标志物的差异,神经成像测量 (白质超强度) 和正电子发射断层扫描粉样蛋白阳性率 (NHB与NHW较低).
- 在SDoH因素 (收入,保险,医疗保健准入) 和认知测试表现方面也发现了群体差异.
结论:
- 基线HABS-HD队列特征揭示了种族/族群之间显著的人口,医学,认知和生物差异.
- 这些在A/T[N]生物标志物和SDoH中发现的差异对于理解衰老和与年龄相关的疾病至关重要.
- 这些发现强调了解决大脑衰老研究中的健康差异的重要性.
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