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DOI: 10.3791/59314-v
Carlos Oscar S. Sorzano*1,2, Laura Martínez-Muñoz*3,4, Graciela Cascio3,5, Eva M. García-Cuesta3, J. Vargas1,6, Mario Mellado3, Jose Miguel Rodriguez Frade3
1Department of Macromolecular Structures, Centro Nacional de Biotecnología,Campus Univ. Autónoma de Madrid, 2Campus Urb. Montepríncipe s/n,Univ. San Pablo CEU, 3Department of Immunology and Oncology, Centro Nacional de Biotecnología,Campus Univ. Autónoma de Madrid, 4Department of Cell Signaling,Centro Andaluz de Biología Molecular y Medicina Regenerativa (CSIC), 5Meyer Cancer Center, 6Department of Anatomy and Cell Biology,McGill Univ.
Please note that some of the translations on this page are AI generated. Click here for the English version.
在这里, 我们提出了一个单一粒子跟踪图像分析的协议, 允许定量评估扩散系数, 类型的运动和集群大小的单个粒子检测到的荧光显微镜。
新的显微镜技术需要开发足够的工具,以便正确理解所研究的生物过程。该协议描述了单分子跟踪所需的图像处理步骤,包括横向扩散参数的估计和细胞膜上整个轨迹的点大小的量化。该协议结合了使用多个软件片段,包括 ImageJ、MATLAB 和 uTrack,以及一些专为该协议开发的蛋白质。
这种方法在光显微镜下跟踪膜受体,但可以应用于任何粒子状结构,其轨迹可以在视频序列中随着时间的推移进行跟踪。该技术与基础研究有关,在临床环境中没有直接应用。然而,它可以用来帮助描述不同疾病的生物事件,从而确定新的治疗目标。
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