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JoVE Journal
Immunology and Infection
用荧光显微镜分析膜受体扩散和簇簇的图像处理协议
用荧光显微镜分析膜受体扩散和簇簇的图像处理协议
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Image Processing Protocol for the Analysis of the Diffusion and Cluster Size of Membrane Receptors by Fluorescence Microscopy

用荧光显微镜分析膜受体扩散和簇簇的图像处理协议

Full Text
9,296 Views
12:15 min
April 9, 2019

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.

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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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