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Medicine
定量3D在硅片建模阿尔茨海默病的啮齿动物模型脑淀粉样蛋白-β吞噬(q3DISM)
定量3D在硅片建模阿尔茨海默病的啮齿动物模型脑淀粉样蛋白-β吞噬(q3DISM)
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JoVE Journal Medicine
Quantitative 3D In Silico Modeling (q3DISM) of Cerebral Amyloid-beta Phagocytosis in Rodent Models of Alzheimer’s Disease

定量3D在硅片建模阿尔茨海默病的啮齿动物模型脑淀粉样蛋白-β吞噬(q3DISM)

Full Text
8,486 Views
09:33 min
December 26, 2016

DOI: 10.3791/54868-v

Marie-Victoire Guillot-Sestier1, Tara M. Weitz1, Terrence Town1

1Zilkha Neurogenetic Institute,University of Southern California (USC)

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

我们开发了在硅片建模(q3DISM)脑淀粉样蛋白β(Aβ)吞噬在阿尔茨海默氏病的啮齿动物模型单核吞噬细胞的定量三维的方法。该方法可推广用于体内几乎任何吞噬活动的定量。

这种定量 3-D 计算机建模或 q3DISM 技术的总体目标是量化阿尔茨海默病啮齿动物模型大脑中单核吞噬细胞对 β 淀粉样蛋白的摄取。这种方法解决了阿尔茨海默病研究领域的迫切需求,即量化沉积在阿尔茨海默病患者大脑中形成老年斑的 β 淀粉样蛋白的清除率。这项技术首次实现了巨噬细胞在体内对 β 淀粉样蛋白的真正 3-D 重建和定量我们开始使用提示 3-Dism 来研究 β 淀粉样蛋白沉积,因为我们需要一个强大的工具来可视化和量化体内微噬细胞吞噬作用。

该技术可能被证明可用于测试实验性阿尔茨海默病疗法,以评估哪些药物刺激巨噬细胞以有效清除 β 淀粉样蛋白。当组织样品准备好进行免疫染色时,用封闭缓冲液填充疏水屏障笔包围的组织区域,在加湿室中室温孵育 1 小时。孵育结束时,在加湿室中用 4 °C 下的第一目标一抗替换封闭缓冲液过夜。

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