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Related Experiment Video

Updated: Jan 25, 2026

Creating a Structurally Realistic Finite Element Geometric Model of a Cardiomyocyte to Study the Role of Cellular Architecture in Cardiomyocyte Systems Biology
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Topological and geometrical quantities in active cellular structures.

D Wenzel1, S Praetorius1, A Voigt1

  • 1Institute of Scientific Computing, TU Dresden, 01062 Dresden, Germany.

The Journal of Chemical Physics
|May 3, 2019
PubMed
Summary
This summary is machine-generated.

Active cellular structures, like those in tissues, follow established physical laws typically seen in passive systems. Simulations show these laws hold even during collective cell motion, with minor differences when motion is absent.

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Area of Science:

  • Physics
  • Cell Biology
  • Biophysics

Background:

  • Topological and geometrical properties are crucial for understanding cell mechanics and collective behavior in tissues.
  • Existing equilibrium laws (Lewis', Aboav-Weaire's) are well-established for passive systems.

Purpose of the Study:

  • To investigate the applicability of established passive system laws to active cellular structures.
  • To explore the role of collective motion in the adherence to these laws.

Main Methods:

  • Large-scale simulations using a multiphase field active polar gel model.
  • Comparison with discrete modeling approaches for cellular structures.

Main Results:

  • Active cellular structures were found to follow Lewis' and Aboav-Weaire's laws.
  • Quantitative agreement with passive systems was observed during collective motion.
  • Differences emerged when the collective motion state had not yet developed.

Conclusions:

  • Established physical laws for passive systems can be applied to active cellular structures.
  • The collective motion state influences the quantitative adherence to these laws.
  • The model naturally reproduces key cellular structure properties like T1 transitions and rosettes.