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Abstract

Neuroscience

通过纵向荧光显微镜监测新生儿生存

Published: January 19th, 2019

DOI:

10.3791/59036

1Department of Neurology, University of Michigan School of Medicine, 2Neuroscience Graduate Program, University of Michigan School of Medicine
* These authors contributed equally

Abstract

标准的细胞毒性检测, 需要收集裂解液或固定细胞在多个时间点, 有有限的敏感性和能力来评估影响神经元的命运因素。这些检测需要观察离散时间点的单独细胞群。因此, 随着时间的推移, 单个细胞不能前瞻性地跟踪, 严重限制了区分亚细胞事件 (如点状形成或蛋白质定位不当) 是否为疾病的致病性驱动因素、稳态反应的能力,或仅仅是巧合的现象。单细胞纵向显微镜克服了这些限制, 使研究人员能够确定种群之间的生存差异, 并以更高的灵敏度得出因果关系。本视频指南将概述一个具有代表性的工作流程, 用于测量表达荧光蛋白标记的大鼠原代皮质神经元单细胞存活情况的实验。观众将学习如何实现高效的转化, 收集和处理图像, 使单个细胞的前瞻性跟踪, 并使用 cox 比例危害分析比较神经元群的相对生存。

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