阿尔茨海默病进展中的生殖标记:弗雷明汉心脏研究
1Huitong Ding, Chunyu Liu, Crosstown Building 801, Massachusetts Avenue Boston, MA 02118, USA, dinghfut@bu.edu, liuc@bu.edu.
The journal of prevention of Alzheimer's disease
|June 25, 2023
概括
晚期更年期与阿尔茨海默病 (AD) 风险降低和女性缓慢记忆力下降有关. 这种关联似乎独立于粉样β (Aβ42) 病理,这表明不同的生物学途径影响认知衰老.
科学领域:
- 生殖健康和神经退行性疾病研究.
- 老年学和认知衰老研究.
- 内分泌学及其对大脑健康的影响.
背景情况:
- 初潮和更年期年龄等生殖因素可能会影响认知功能和阿尔茨海默病 (AD) 风险,但证据是相互矛盾的.
- 在AD病变发生过程中,生殖状态和皮质β-粉样蛋白沉积之间的相互作用尚未完全理解.
研究的目的:
- 调查生殖风险因素和性激素标志物与女性特定领域认知能力下降之间的联系.
- 确定生殖史与老年妇女患阿尔茨海默病 (AD) 的风险之间的关系.
主要方法:
- 分析772名女性 (60岁以上) 的生殖标志物 (初潮时的年龄,出生次数,更年期的年龄,性激素水平) 来自弗雷明汉心脏研究 (FHS) 后代队列.
- 利用考克斯的比例危险回归和线性回归模型来评估与事件AD和年化认知衰退的关联,调整共变量.
主要成果:
- 更年期更高的年龄与发生AD痴呆症的风险较低 (每年风险降低6%) 和记忆力下降的速度较慢有关.
- 较低的血Aβ42水平与发生AD的风险更高有关.
- 没有发现生殖因素 (月经期/更年期年龄,性激素) 和Aβ42病理与AD风险或认知衰退之间的显著相互作用.
结论:
- 更年期更年轻的年龄被确定为晚年记忆力下降和发生阿尔茨海默病 (AD) 的风险因素.
- 与更早更年期相关的观察到的风险似乎独立于粉样β (Aβ42) 病理.
- 需要进一步的研究来阐明驱动生殖风险对认知衰老和AD的差异影响的生物学和社会机制.
相关概念视频
Alzheimer's Disease: Overview
530
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
530
Alzheimer's Disease: Treatment
222
Alzheimer's Disease (AD), a neurodegenerative disorder, is pathologically identified by amyloid plaques and neurofibrillary tangles composed of tau protein. AD pharmacotherapy aims to manage cognitive symptoms, delay disease progression, and treat behavioral symptoms. The treatment is primarily symptomatic and palliative, with no definitive disease-modifying therapy available. Cholinesterase inhibitors, including donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne), are...
222


