Abstract
Cell locomotion is a result of a series of synchronized chemo-mechanical processes. Previous extensive experimental studies have revealed many chemo-mechanical processes that may contribute to cell locomotion. In parallel, theoretical works have been developed to provide deeper insight. To date, however, direct simulations of cell locomotion on a substrate have not been seen. In this paper, a finite element–based computational model is developed to study amoeboid type of cell crawling phenomenon. Here, a cell is modeled as a 2D fluid-filled elastic vesicle, which establishes its interaction with a rigid substrate through a kinetics-based cellular adhesion model. The cell derives its motion through a differential bond breaking at the trailing edge and bond formation at the leading edge. This mechanism of crawling authenticates the hypothesis that cell locomotion can be facilitated by breaking the adhesive bonds at the rear edge, which was initially proposed by Chen (J Cell Biol 90: 187–200, 1981).
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Roy, S., Qi, H.J. A computational biomimetic study of cell crawling. Biomech Model Mechanobiol 9, 573–581 (2010). https://doi.org/10.1007/s10237-010-0198-6
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DOI: https://doi.org/10.1007/s10237-010-0198-6