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Neuroscience
在视神经纤维通过诚信小鼠对比增强MRI 活体成像
在视神经纤维通过诚信小鼠对比增强MRI 活体成像
JoVE Journal
Neuroscience
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JoVE Journal Neuroscience
In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice

在视神经纤维通过诚信小鼠对比增强MRI 活体成像

Full Text
13,916 Views
11:38 min
July 22, 2014

DOI: 10.3791/51274-v

Stefanie Fischer*1, Christian Engelmann*2, Karl-Heinz Herrmann3, Jürgen R. Reichenbach3, Otto W. Witte1, Falk Weih2, Alexandra Kretz1, Ronny Haenold2

1Hans Berger Department of Neurology,Jena University Hospital, 2Immunology, Leibniz Institute for Age Research,Fritz Lipmann Institute, Jena, 3Institute of Diagnostic and Interventional Radiology, Medical Physics Group,Jena University Hospital

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Please note that some of the translations on this page are AI generated. Click here for the English version.

该视频演示了一种方法,利用临床3个T的扫描仪,对天真的鼠标视觉投影对比增强磁共振成像和重复性和纵向体内视神经病变的研究,急性视神经挤压伤和慢性视神经变性相关敲除小鼠(P50 KO)。

该程序的总体目标是监测体内小鼠沿视觉通路的结构和功能改变。首先通过玻璃体内注射顺磁性锰离子来实现,顺磁性锰离子在细胞内用作 MR。敏感示踪剂,并在扫描前 24 小时以氯化锰溶液的形式使用。第二步是使用适当的硬件将麻醉的鼠标排列在三个 T MR 扫描仪内,以进行图像采集和重要功能的监测。

接下来,驱动小鼠采用的示踪剂敏感的 MEMR 协议,并重建沿 rettino 颞路的脑内信号增强的多平面 3D 图像。最后一步是从 MRI 扫描仪中取出鼠标,并支持其从麻醉中快速恢复的重要功能,这允许对同一动物进行重复的 EMR 研究或随后的行为或组织学检查。最终,触觉投影的锰增强 MRI 用于显示模拟神经退行性 CNS 疾病的实验或转基因小鼠的急性或进行性神经病理。

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