Epithelial organisation revealed by a network of cellular contacts.

Epithelial organisation revealed by a network of cellular contacts.
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DOI:
10.1038/ncomms1536
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发表时间:
2011-11-08
影响因子:
16.6
通讯作者:
--
中科院分区:
综合性期刊1区
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细胞排列差异的出现是许多器官建立的第一步。由于缺乏上皮组织的系统表征,对这一过程的理解受到限制。在这里,我们在单个细胞的尺度上应用网络理论来揭示控制上皮组织的细胞间接触的模式。我们使用网络表示来提供上皮细胞的客观表征,其中细胞是节点,细胞接触是链接。单个细胞的特征与细胞网络的属性一起产生了一个定义的特征,将上皮细胞与不同的器官、物种、发育阶段和遗传条件区分开来。该方法可以对正常和受干扰的上皮细胞进行表征、量化和分类,并建立一个框架来理解支持复杂组织结构的分子机制。
The emergence of differences in the arrangement of cells is the first step towards the establishment of many organs. Understanding this process is limited by the lack of systematic characterization of epithelial organisation. Here we apply network theory at the scale of individual cells to uncover patterns in cell-to-cell contacts that govern epithelial organisation. We provide an objective characterization of epithelia using network representation where cells are nodes and cell contacts are links. The features of individual cells, together with attributes of the cellular network produce a defining signature that distinguishes epithelia from different organs, species, developmental stages and genetic conditions. The approach permits characterization, quantification and classification of normal and perturbed epithelia and establishes a framework for understanding molecular mechanisms that underpin the architecture of complex tissues.
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