Magnetic Resonance Imaging of Blood-Brain Barrier permeability in Dementia.

Magnetic Resonance Imaging of Blood-Brain Barrier permeability in Dementia.
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DOI:
10.1016/j.neuroscience.2021.08.003
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发表时间:
2021-10-15
期刊:
影响因子:
3.3
通讯作者:
Montagne A
Montagne A
中科院分区:
医学3区
文献类型:
--
作者:
Chagnot A;Barnes SR;Montagne A

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阿尔茨海默病(AD)和脑小血管病(CSVD)是痴呆的两个主要原因,血脑屏障(BBB)的破坏是常见的致病因素。神经成像技术的最新进展为了解大脑在健康和疾病中的功能提供了新的可能性。这包括动态对比增强磁共振成像(DCE-MRI)等方法,它允许检测血脑屏障完整性的细微区域变化。这项工作的目的是提供一个最新的DCE-MRI发现的微妙的血脑屏障渗漏集中在cSVD和AD,包括临床和临床前研究。尽管得到了广泛的应用和良好的确立,我们也强调了DCE-MRI在痴呆背景下面临的一些挑战和陷阱,这些挑战和陷阱源于BBB损害的微妙性质。
Alzheimer’s disease (AD) and cerebral small vessel disease (cSVD) are the two main causes of dementia with blood-brain barrier (BBB) breakdown being a common contributor. Recent advances in neuroimaging techniques offer new possibilities to understand how the brain functions in health and disease. This includes methods such as dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) which allows the detection of subtle regional changes in the BBB integrity. The purpose of this work is to provide a review on the recent DCE-MRI findings of subtle BBB leakage focusing on cSVD and AD, including both clinical and pre-clinical studies. Despite being widely used and well-established, we also highlight some of the DCE-MRI challenges and pitfalls faced in the context of dementia inherent to the subtle nature of BBB impairment.
认知正常老年受试者血脑屏障渗透性的区域差异:基于动态对比增强的MRI研究。
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