Intervention in biological phenomena represented by genetic regulatory networks

A variable structure approach

Mohamed Amine Fnaiech, Hazem Nounou, Mohamed Nounou, Aniruddha Datta

Research output: Contribution to journalArticle

Abstract

The utilization of mathematical tools in the analysis and synthesis of models representing biological phenomena is rapidly growing. Adding to these efforts, in this paper, a mathematical method based on the sliding mode control approach will be used for the purpose of developing a therapeutic intervention strategy for a class of biological phenomena. Such an intervention scheme aims at moving an undesirable state of a diseased network towards a more desirable state using drugs to act on some genes/metabolites that characterize the undesirable behavior. S-systems, which offer a good compromise between accuracy and mathematical flexibility, are a promising framework for modeling the dynamical behavior of biological phenomena as well as genetic regulatory networks. Since biological phenomena modeled by S-systems are complex nonlinear processes, the need for robust nonlinear intervention strategies that are capable of guiding the target variables to their desired values often arises. The main objective of this paper is to develop an intervention scheme based on sliding mode control theory, sometimes referred to as variable structure control theory, and evaluate the robustness of the sliding mode intervention scheme in the presence of model parameter uncertainties. The proposed intervention strategy is applied to a glycolytic-glycogenolytic pathway model and the simulation results demonstrate the effectiveness of the proposed scheme.

Original languageEnglish
Pages (from-to)327-347
Number of pages21
JournalJournal of Biological Systems
Volume20
Issue number4
DOIs
Publication statusPublished - Dec 2012

Fingerprint

Biological Phenomena
Genetic Regulatory Networks
Variable Structure
sliding
Sliding mode control
Control theory
parameter uncertainty
model uncertainty
genetic phenomena
glycolysis
S-system
Variable structure control
Sliding Mode Control
metabolites
Metabolites
Robustness (control systems)
Control Theory
drugs
therapeutics
numerical method

Keywords

  • Intervention in biological phenomena
  • Sliding mode control

ASJC Scopus subject areas

  • Ecology
  • Agricultural and Biological Sciences (miscellaneous)
  • Applied Mathematics

Cite this

Intervention in biological phenomena represented by genetic regulatory networks : A variable structure approach. / Fnaiech, Mohamed Amine; Nounou, Hazem; Nounou, Mohamed; Datta, Aniruddha.

In: Journal of Biological Systems, Vol. 20, No. 4, 12.2012, p. 327-347.

Research output: Contribution to journalArticle

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