血脑屏障透度升高与渐进性认知衰退风险之间的关联:一项纵向研究
Xiaorui Tian1, Yuanzheng Zhao1, Yinghui Zhu1
1Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou university, Zhengzhou, China.
Archives of gerontology and geriatrics
|April 21, 2024
概括
血脑屏障 (BBB) 透度增加,通过脑脊液/血清白蛋白比率 (QAlb) 测量,预测认知能力下降. 这突出了BBB作为痴呆症和认知障碍的潜在治疗点.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 生物标志物 生物标志物
背景情况:
- 血脑屏障 (BBB) 的破坏是认知障碍和痴呆症发展的关键因素.
- 评估BBB透性对于理解认知衰退进展至关重要.
研究的目的:
- 在临床队列中研究血脑屏障透性 (QAlb) 和认知衰退进展之间的相关性.
- 为了确定认知衰退进展的预测因素.
主要方法:
- 对295名参与者的前性观察队列研究.
- 使用整体恶化量表和临床痴呆症评分 (CDR) 评分评估认知衰退进展.
- 通过脑脊液/血清白蛋白比率 (QAlb) 测量血脑屏障的透性.
主要成果:
- APOE4等位基因和糖尿病与增加BBB透性有关.
- 与轻度认知障碍 (MCI) 和主观认知衰退 (SCD) 组相比,阿尔茨海默病 (AD) 患者的QAlb水平显著更高.
- 在17个月的随访期间,AD诊断,CDR和QAlb是认知衰退进展的显著预测因素.
结论:
- 提高BBB透性 (QAlb) 是临床上相关的识别个体有认知能力下降的风险.
- 增加的BBB透性可能会导致临床恶化,并代表痴呆症的潜在治疗标.
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