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身体活动改变了脑脊液tau测量和执行功能之间的关联.

Ryan J Dougherty1, Anja Soldan2, Corinne Pettigrew2

  • 1Department of Kinesiology and Health Rutgers University New Brunswick New Jersey USA.

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概括

定期体力活动可以通过减少病理对执行功能的影响来保护阿尔茨海默氏症 (AD) 认知能力下降. 这项研究发现,身体活动不会影响粉样蛋白-β (Aβ) 生物标志物.

关键词:
加速测量仪加速测量仪认知能力下降 认知能力下降认知储备是一个认知储备.运动就是炼身体.可修改的生活方式因素.

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科学领域:

  • 神经科学是一个神经科学.
  • 老年学是一门学科.
  • 生物标志物 生物标志物

背景情况:

  • 阿尔茨海默病 (AD) 标志着粉样β (Aβ) 和陶积累,可以通过脑脊液 (CSF) 检测到.
  • 身体活动在改变AD风险中的作用及其对生物标志物和认知的影响需要进一步了解.

研究的目的:

  • 调查更高的体力活动水平是否会改变AD CSF生物标志物与认知功能之间的关联.

主要方法:

  • 117名认知正常的老年人戴着加速度计,并提供了CSF样本.
  • 多变量线性回归分析了身体活动和脑脊液生物标志物 (Aβ42/40,p-tau181,总tau) 在认知得分 (执行功能,情节性记忆) 之间的相互作用.

主要成果:

  • 身体活动与酸化 (p-tau181) 和总相对于执行功能有显著的相互作用.
  • 较高的体力活动减少了病理与执行功能之间的负面关联.
  • 对于情节性记忆或与粉样β (Aβ42/40) 没有发现显著的相互作用.

结论:

  • 身体活跃的生活方式可能会对与阿尔茨海默病相关的认知衰退提供保护.
  • 身体活动似乎可以减轻tau病理的认知影响,可能是通过增强认知储备.