Sensitivity analysis of stochastic models of bistable biochemical reactions

  • Authors:
  • Andrea Degasperi;Stephen Gilmore

  • Affiliations:
  • Department of Computing Science, University of Glasgow;Laboratory for Foundations of Computer Science, University of Edinburgh

  • Venue:
  • SFM'08 Proceedings of the Formal methods for the design of computer, communication, and software systems 8th international conference on Formal methods for computational systems biology
  • Year:
  • 2008

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Abstract

Sensitivity Analysis (SA) provides techniques which can be used to identify the parameters which have the greatest influence on the results obtained from a model. Classical SA methods apply to deterministic simulations of ODE models. We extend these to stochastic simulations and consider the analysis of models with bifurcation points and bistable behaviour. We consider local, global and screening SA methods applied to multiple runs of Gillespie's Stochastic Simulation Algorithm (SSA). We present an example of stochastic sensitivity analysis of a real pathway, the MAPK signalling pathway.