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临床表现 临床表现

Joseph Eichenbaum1, Miriam T Ashford1,2, Chengshi Jin1

  • 1University of California, San Francisco, San Francisco, CA, USA.

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概括
此摘要是机器生成的。

像pTau217和GFAP这样的等离子体生物标志物与老年人的主观认知衰退和记忆问题相关. 这种远程查方法有助于识别患阿尔茨海默病 (AD) 风险的个体.

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科学领域:

  • 神经学 神经学
  • 生物标志物发现发现
  • 老年学是指老年学的学科.

背景情况:

  • 血生物标志物显示出早期阿尔茨海默病 (AD) 检测的希望.
  • 主观认知衰退 (SCD) 代表了AD连续体中的早期症状阶段.
  • 血生物标志物在SCD群体中的实用性仍未得到充分探索.

研究的目的:

  • 在一个远程队列中研究血AD生物标志物水平和主观/客观认知指标之间的关系.
  • 评估可扩展的远程数据收集,用于AD查和监测的潜力.

主要方法:

  • 629名参与者 (55+) 接受了远程抽血以进行血分析.
  • 测量的等离子体生物标志物包括NFL,Aβ42/40,pTau231,pTau217和GFAP.
  • 线性回归分析了生物标志物和认知尺度 (ECog,记忆问题,Cogstate) 之间的关联.

主要成果:

  • 升高的pTau217和pTau231水平与自我报告的记忆问题相关.
  • 较高的pTau217和GFAP与ECog尺度上自我报告的认知衰退增加有关.
  • 血生物标志物与客观认知表现 (Cogstate) 之间没有发现显著的关联.

结论:

  • 远程,无监督的SCD和记忆问题的数字测量可以识别高血pTau和GFAP的个体.
  • 这种方法有效地识别了与AD相关的认知障碍风险的老年人.
  • 这种可扩展的方法促进了临床试验招募,观察性研究和临床护理查.