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DOI: 10.3791/4251-v
Jason M. Beckta1,2, Scott C. Henderson3, Kristoffer Valerie1,2,4
1Department of Radiation Oncology,Virginia Commonwealth University, 2Department of Biochemistry & Molecular Biology,Virginia Commonwealth University, 3Department of Anatomy & Neurobiology,Virginia Commonwealth University, 4Massey Cancer Center,Virginia Commonwealth University
Please note that some of the translations on this page are AI generated. Click here for the English version.
该协议描述了一个可视化的DNA双链断裂以及其定位在有丝分裂过程中DNA损伤激活的信号蛋白的方法。
该演示使用二维和 3D 活细胞成像来了解参与 DNA 损伤反应的蛋白质的时空关系。首先,使用含有适当荧光标记物的表达构建体转染或转导您选择的细胞系。在这里,M Cherry 和 GFP 接下来获取一系列对照视频,显示正常条件下荧光标记的细胞。
然后应用适当的处理并捕获处理对荧光细胞过程的影响数据,并分析蛋白质时空关系的视频数据。最终,活细胞荧光显微镜可以详细描述细胞动力学,例如响应 DNA 损伤剂形成 53 BP 一个病灶或 53 BP 在有丝分裂期间的行为。当我们想研究不同的治疗方法如何影响某些细胞系的有丝分裂时,我们第一次对 2D 和 3D 生活方式成像产生了兴趣。
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