SimuCell3D: three-dimensional simulation of tissue mechanics with cell polarization
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Date
2024-04
Publication Type
Journal Article
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yes
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Abstract
The three-dimensional (3D) organization of cells determines tissue function and integrity, and changes markedly in development and disease. Cell-based simulations have long been used to define the underlying mechanical principles. However, high computational costs have so far limited simulations to either simplified cell geometries or small tissue patches. Here, we present SimuCell3D, an efficient open-source program to simulate large tissues in three dimensions with subcellular resolution, growth, proliferation, extracellular matrix, fluid cavities, nuclei and non-uniform mechanical properties, as found in polarized epithelia. Spheroids, vesicles, sheets, tubes and other tissue geometries can readily be imported from microscopy images and simulated to infer biomechanical parameters. Doing so, we show that 3D cell shapes in layered and pseudostratified epithelia are largely governed by a competition between surface tension and intercellular adhesion. SimuCell3D enables the large-scale in silico study of 3D tissue organization in development and disease at a great level of detail.
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published
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Journal / series
Volume
4 (4)
Pages / Article No.
299 - 309
Publisher
Nature
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Software
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Organisational unit
03791 - Iber, Dagmar / Iber, Dagmar
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Funding
170930 - A 3D Cell-Based Simulation Framework for Morphogenetic Problems (SNF)