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阿尔茨海默氏症成像联盟

Joshua L Gills1, Hubert Leo2, Omonigho M Bubu1

  • 1NYU Grossman School of Medicine, New York, NY, USA.

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概括
此摘要是机器生成的。

阿尔茨海默病 (AD) 的生物标志物,如粉样β和,在Alamar平台上显示出强烈的相关性. 相关蛋白质涉及炎症,结缔组织和血管功能.

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科学领域:

  • 神经科学是一个神经科学.
  • 生物化学 生物化学
  • 生物标志物发现发现

背景情况:

  • 像粉样β (Aβ) 和化 (p-tau) 这样的血生物标志物对于阿尔茨海默病 (AD) 风险评估至关重要.
  • 新兴的核酸链接免疫三明治测试 (NULISA) 平台提供精确检测低丰度蛋白质.

研究的目的:

  • 通过Alamar NULISA平台,检查与AD相关的生物标志物 (粉样蛋白,,神经退行,炎症[ATN&I]) 和126个中枢神经系统蛋白质的更广泛小组之间的内部相关性.
  • 评估特定的ATN&I生物标志物与其他中枢神经系统蛋白质之间的关联.

主要方法:

  • 来自116名ARIC参与者的血样本的横截面分析.
  • 使用ALAMAR NULISA平台对126种中枢神经系统分析物的量化.
  • 多重线性回归和斯皮尔曼的Rho相关性被用来评估生物标志物协会,调整共变量.

主要成果:

  • 胺β (Aβ) 蛋白质病变标志物显示中度至强度的相关性 (ρ = .52-.88) 和轻度至中度的相关性与酸化 (p-tau) 标志物 (ρ = .20-.68).
  • 在126个分析物中,发现了38种与神经丝光 (NfL) 相关的血蛋白,37种与Aβ-42/Aβ-40相关的蛋白,35种与Tau相关的蛋白.
  • 最重要的相关蛋白质包括IL-33,MAPT,VEGFD,TAFA-5,FOLR1和GDB/1.1,这些蛋白质是最常见的.

结论:

  • 在阿拉马尔平台上,AD特异性蛋白质表现出中度至强度的相互关联.
  • 与炎症,结合性组织完整性和血管功能相关的蛋白质与ATN&I生物标志物有显著的联系.
  • 建议对整个AD连续性的纵向研究进行进一步调查.