Investigation of podosome ring protein arrangement using localization microscopy images.

Investigation of podosome ring protein arrangement using localization microscopy images.
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使用定位显微镜图像研究足体环蛋白质排列。

DOI:
10.1016/j.ymeth.2016.11.005
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发表时间:
2017
期刊:
Methods (San Diego, Calif.)
影响因子:
--
通讯作者:
Staszowska AD
Staszowska AD
中科院分区:
--
文献类型:
--
作者:
Staszowska AD

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足体是在邻接巨噬细胞、破骨细胞和树突细胞的细胞外基质的质膜上形成的粘附结构。它们由f-肌动蛋白核心和由整合素和整合素相关蛋白组成的环状结构组成。足状体环在粘附于下层细胞外基质中起主要作用,但其详细结构知之甚少。最近,它已成为可能的研究纳米尺度的结构,使用本地化显微镜的podosome环。与传统的显微图像不同,定位显微图像是使用离散点重建的,这意味着不能应用标准的图像分析方法。在这里,我们提出了一个管道的podosome识别,蛋白质位置计算,并创建一个podosome环模型与本地化显微镜数据使用。
Podosomes are adhesive structures formed on the plasma membrane abutting the extracellular matrix of macrophages, osteoclasts, and dendritic cells. They consist of an f-actin core and a ring structure composed of integrins and integrin-associated proteins. The podosome ring plays a major role in adhesion to the underlying extracellular matrix, but its detailed structure is poorly understood. Recently, it has become possible to study the nano-scale structure of podosome rings using localization microscopy. Unlike traditional microscopy images, localization microscopy images are reconstructed using discrete points, meaning that standard image analysis methods cannot be applied. Here, we present a pipeline for podosome identification, protein position calculation, and creating a podosome ring model for use with localization microscopy data.
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