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PhysiMeSS - a new physiCell addon for extracellular matrix modelling.

Vincent Noël1,2,3, Marco Ruscone1,2,3,4, Robyn Shuttleworth5

  • 1Institut Curie, Université PSL, F-75005, Paris, France.

Gigabyte (Hong Kong, China)
|October 25, 2024
PubMed
Summary
This summary is machine-generated.

PhysiMeSS introduces a new agent type for modeling the extracellular matrix (ECM) as fibers within agent-based simulations. This enhances tumor microenvironment modeling for studying cancer metastasis and ECM-related diseases.

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Area of Science:

  • Computational Biology
  • Cancer Research
  • Biophysics

Background:

  • The extracellular matrix (ECM) provides structural support and influences cancer metastasis.
  • Existing agent-based frameworks like PhysiCell model cells as simple shapes, limiting ECM representation.
  • Accurate modeling of the ECM fiber network is crucial for understanding tumor microenvironment dynamics.

Purpose of the Study:

  • To introduce a novel agent type for representing extracellular matrix fibers in agent-based simulations.
  • To develop an extension for PhysiCell, named PhysiMeSS, enabling the simulation of fiber-cell and fiber-fiber interactions.
  • To provide a computational tool for investigating diseases related to ECM dysregulation and cancer metastasis.

Main Methods:

  • Developed PhysiMeSS as an addon to the PhysiCell framework.
  • Introduced a new agent type representing line segments (2D) or cylinders (3D) for ECM fibers.
  • Implemented physical interactions between fiber agents, cell agents, and other fiber agents.

Main Results:

  • PhysiMeSS successfully extends PhysiCell to model the extracellular matrix as a network of fibers.
  • The framework allows for the simulation of physical interactions between cells and ECM fibers.
  • Demonstrated the utility of PhysiMeSS through examples showcasing its capabilities.

Conclusions:

  • PhysiMeSS provides a novel computational approach to model the extracellular matrix in agent-based simulations.
  • This tool enhances the study of complex biological processes, including cancer cell invasion and ECM-related pathologies.
  • PhysiMeSS facilitates research into diseases linked to extracellular matrix dysregulation and cancer metastasis.