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Related Concept Videos

Molecular Factors Affecting Cell Division01:27

Molecular Factors Affecting Cell Division

Several external and internal factors influence the initiation and inhibition of cell division. For instance, the death of nearby cells or the release of human growth hormone (hGH) promotes cell division. In contrast, lack of hGH or crowding of cells can inhibit cell division.
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Calmodulin (CaM) is a calcium-binding protein in eukaryotes that controls various calcium-regulated cellular processes. It has four calcium-binding sites that bind calcium to form the calcium-calmodulin ( Ca2+-CaM) complex. GPCR stimulation increases the calcium levels in the cells that bind to CaM and induces a conformational change.
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Non-equilibrium in the Cell

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Tracking and Quantifying Developmental Processes in C. elegans Using Open-source Tools
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Published on: December 16, 2015

Virtual Cell: computational tools for modeling in cell biology.

Diana C Resasco1, Fei Gao, Frank Morgan

  • 1Richard D. Berlin Center for Cell Analysis and Modeling, Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, USA.

Wiley Interdisciplinary Reviews. Systems Biology and Medicine
|December 6, 2011
PubMed
Summary
This summary is machine-generated.

The Virtual Cell (VCell) computational framework offers advanced tools for simulating cellular processes. It integrates electrophysiology, reaction kinetics, and transport mechanisms in complex spatial models.

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Area of Science:

  • Computational biology
  • Cellular modeling
  • Biophysics

Background:

  • Living cells exhibit complex physicochemical and electrophysiological processes.
  • Accurate modeling requires integrating reaction kinetics, transport, and spatial dynamics.
  • Existing frameworks may lack robust tools for complex, spatially resolved simulations.

Purpose of the Study:

  • To review new computational tools recently deployed in the Virtual Cell (VCell) framework.
  • To highlight VCell's capabilities in modeling spatially resolved cellular phenomena.
  • To showcase VCell's integration of diverse biological processes.

Main Methods:

  • Utilizing the Virtual Cell (VCell) computational framework.
  • Employing automated tools for deterministic and stochastic simulations.
  • Coupling electrophysiology, reaction kinetics, and transport mechanisms (diffusion, directed transport).
  • Mapping models onto diverse spatial domains, including 3D irregular geometries.

Main Results:

  • VCell provides robust computational tools for spatially resolved models.
  • The framework enables simulation of a wide range of cellular phenomena in space and time.
  • Integration of various biological processes (electrophysiology, kinetics, transport) is supported.
  • Irregular 3D geometries derived from experimental images can be incorporated.

Conclusions:

  • The Virtual Cell (VCell) framework is a powerful resource for computational cell biology.
  • New tools enhance the ability to model complex cellular dynamics with spatial resolution.
  • VCell facilitates the investigation of diverse spatio-temporal cellular processes.