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临床表现 临床表现

Kevin Duff1,2, Jace B King3, John M Hoffman4

  • 1Oregon Health & Science University, Portland, OR, USA.

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概括
此摘要是机器生成的。

短期实践效应 (STPE) 可能表明主观认知衰退 (SCD) 个体的阿尔茨海默病 (AD) 生物标志物阳性. 这一发现可能有助于丰富阿尔茨海默病的临床试验.

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科学领域:

  • 神经科学是一个神经科学.
  • 生物标志物 生物标志物
  • 阿尔茨海默氏症疾病研究研究

背景情况:

  • 主观认知衰退 (SCD) 可能是临床前阿尔茨海默病 (AD) 的早期迹象.
  • 患有SCD的个体是一个多样化的群体,具有各种潜在原因.
  • 之前的研究探讨了轻度认知障碍 (MCI) 和AD的短期实践效应 (STPE).

研究的目的:

  • 调查STPE是否与阿尔茨海默病 (AD) 生物标志物有关.
  • 为了确定STPE是否能够区分有或没有认知投诉的个体.

主要方法:

  • 75名认知正常的参与者被分为SCD (n=11) 和认知正常 (CN,n=64) 组.
  • 参与者在一周内两次完成认知电池,以评估STPE.
  • 生物标志物分析包括APOE基因定型,海马体体积的MRI和粉样蛋白PET扫描.

主要成果:

  • 在SCD个体中,更多的APOE ε4等位基因与较小的STPE相关 (r=-.42).
  • 较大的海马体积与较大的STPE相关 (r=0.25).
  • 73%的SCD参与者是粉样蛋白阳性,而CN参与者是19% (p < 0.001).

结论:

  • 在SCD患者中,STPE与AD生物标志物有关,反映了MCI和AD的发现.
  • 在SCD中,STPE可以作为生物标志物阳性的指标.
  • STPE可能是一个具有成本效益的工具,可以丰富AD临床试验.