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A phenomenological approach to the simulation of metabolism and proliferation dynamics of large tumour cell populations

Roberto Chignola1 and Edoardo Milotti2

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A major goal of modern computational biology is to simulate the collective behaviour of large cell populations starting from the intricate web of molecular interactions occurring at the microscopic level. In this paper we describe a simplified model of cell metabolism, growth and proliferation, suitable for inclusion in a multicell simulator, now under development (Chignola R and Milotti E 2004 Physica A 338 261–6). Nutrients regulate the proliferation dynamics of tumour cells which adapt their behaviour to respond to changes in the biochemical composition of the environment. This modelling of nutrient metabolism and cell cycle at a mesoscopic scale level leads to a continuous flow of information between the two disparate spatiotemporal scales of molecular and cellular dynamics that can be simulated with modern computers and tested experimentally.


PACS

87.15.B- Structure of biomolecules

87.15.H- Dynamics of biomolecules

87.17.-d Cell processes

Subjects

Biological physics

Dates

Issue 1 (March 2005)

Received 15 September 2004, accepted for publication 13 January 2005

Published 28 February 2005

 
Initial representation of cell before increase of volume with time due to coupling between storage of unused glucose and energy consumption.


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