身体活动和大脑β粉样蛋白:对认知不受损的老年人进行纵向分析
Michael G Slee1, Stephanie R Rainey-Smith1,2,3,4, Victor L Villemagne5,6,7
1Centre for Healthy Ageing, Healthy Futures Institute, Murdoch University, Murdoch, Western Australia, Australia.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|November 20, 2023
概括
在15岁以上的老年人中,定期的体力活动 (PA) 与大脑粉样蛋白β (Aβ) 水平无关. 这一发现表明,PA可能不会影响认知不受损的个体的Aβ积累.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 公共卫生 公共卫生
背景情况:
- 大脑粉样β (Aβ) 积累是神经退行性疾病的标志.
- 了解影响Aβ沉积的因素对于制定预防策略至关重要.
- 习惯性体力活动 (PA) 常常被认为有助于大脑健康,但其对Aβ的直接影响尚未完全理解.
研究的目的:
- 为了研究习惯性体力活动 (PA) 水平与大脑粉样蛋白β (Aβ) 负担之间的纵向关系.
- 检查阿波利波蛋白E (APOE) ε4携带是否会改变PA和Aβ之间的关联.
- 为了确定大脑的Aβ水平是否会随着时间的推移预测PA的变化.
主要方法:
- 研究队列包括来自澳大利亚成像,生物标志物和生活方式 (AIBL) 衰老研究的731名认知不受损的老年人.
- 身体活动和大脑Aβ测量是在15年多的多个时间点收集的.
- 用回归和缓解分析来评估横截面和纵向关联,包括APOE ε4状态的影响.
主要成果:
- 在基线或15年随访期间,在习惯性PA水平和大脑Aβ之间没有发现显著的关联.
- 随着时间的推移,Apolipoprotein E (APOE) ε4载体状态并没有缓和PA和大脑Aβ之间的关系.
- 大脑Aβ水平无法预测研究期间身体活动的轨迹.
结论:
- 习惯性的体力活动似乎不会影响大脑粉样蛋白β积累在认知不受损的老年人.
- 这些发现表明,PA可能不是该人群中Aβ负担的直接决定因素.
- 需要进一步的研究来探索其他可能影响Aβ沉积和认知衰老的生活方式或生物因素.
关键词:
阿尔茨海默氏症的疾病是阿尔茨海默氏症.氨基βββββββββββββββββββββββββ痴呆症 痴呆症是一种痴呆症.运动就是炼身体.遗传学 遗传学 遗传学 是一个在纵向的长度上.身体活动 身体活动更多相关视频
09:38Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease
Published on: November 14, 2017
15.0K
08:29Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
Published on: December 18, 2016
14.1K
相关概念视频
01:26Alzheimer's Disease: Overview
496
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...
496
02:20Longitudinal Research
12.0K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
12.0K
01:30Cognitive Development During Adulthood
120
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
120