Cell Migration Model with Multiple Chemical Compasses

A simple model is proposed that describes the various morphodynamic principles of migrating cells from polar to amoeboidal motions. The model equation is derived using competing internal cellular compass variables and symmetries of the system. Fixed points for the $N = 2$ system are closely investigated to clarify how the competition among polaritors explains the observed morphodynamics. Response behaviors of cell--to--signal stimuli are also investigated. This model will be useful for classifying high-dimensional cell motions and investigating collective cellular behaviors.

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