Parameter identification for Markov models of biochemical reactions

  • Authors:
  • Aleksandr Andreychenko;Linar Mikeev;David Spieler;Verena Wolf

  • Affiliations:
  • Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany

  • Venue:
  • CAV'11 Proceedings of the 23rd international conference on Computer aided verification
  • Year:
  • 2011

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Abstract

We propose a numerical technique for parameter inference in Markov models of biological processes. Based on time-series data of a process we estimate the kinetic rate constants by maximizing the likelihood of the data. The computation of the likelihood relies on a dynamic abstraction of the discrete state space of the Markov model which successfully mitigates the problem of state space largeness. We compare two variants of our method to state-of-the-art, recently published methods and demonstrate their usefulness and efficiency on several case studies from systems biology.