An immersed boundary method for simulating a single axisymmetric cell growth and division

Area of Science:

• Cell Biology
• Biophysics
• Computational Biology

Background:

• Cytokinesis is the essential process of cell division in animal cells, involving cytoplasm division to form two daughter cells.
• Accurate modeling of cytokinesis is crucial for understanding cell proliferation and development.

Purpose of the Study:

• To propose a novel mathematical model for simulating animal cell cytokinesis.
• To enhance the robustness and realism of predicting cleavage furrow positioning and contractile forces during cell division.

Main Methods:

• Utilized an immersed boundary method to track cell membrane morphology during cytokinesis.
• Employed adaptive addition and deletion of immersed boundary points for computational accuracy.
• Performed numerical simulations on an axisymmetric domain, incorporating 3D effects like anisotropic surface tension.

Main Results:

• The proposed model accurately determines cleavage furrow position and contractile force.
• Numerical simulations demonstrated the incorporation of three-dimensional effects.
• Parameter analysis and comparison with experimental data validated the model's efficiency and accuracy.

Conclusions:

• The developed mathematical model provides a robust and accurate simulation of animal cell cytokinesis.
• The method effectively captures key aspects of cell division, including membrane dynamics and forces.
• This approach offers a valuable tool for further research in cell biology and biophysics.