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Identification of biochemical reaction networks using a parameter-free coordinate system
Fey, Dirk; Findeisen, Rolf; Bullinger, Eric
2009In Iglesias, P. A.; Ingalls, B. (Eds.) Control-Theoretic Approaches in Systems Biology
 

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Abstract :
[en] A fundamental step in systems biology is the estimation of kinetic parameters, such as association and dissociation constants. Often, their direct estimation from in-vivo studies on isolated reactions is expensive, time-consuming or even infeasible. Therefore, it is necessary to estimate them from indirect measurements, such as time-series data. This chapter proposes an observer-based parameter estimation methodology particularly suited for biochemical reaction networks in which the reaction kinetics are described by polynomial or rational functions. The parameter estimation is performed in three steps. First, the system is transformed into a new set of coordinates in which the system is parameter-free. This facilitates the design of a standard observer in the second step. Finally, the parameter estimates are obtained in a straight-forward way from the observer states, transforming them back to the original coordinates. The approach is illustrated by an example of a MAP kinase signaling pathway.
Disciplines :
Life sciences: Multidisciplinary, general & others
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Fey, Dirk ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Méthodes computationnelles pour la biologie systémique
Findeisen, Rolf
Bullinger, Eric ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Méthodes computationnelles pour la biologie systémique
Language :
English
Title :
Identification of biochemical reaction networks using a parameter-free coordinate system
Publication date :
November 2009
Main work title :
Control-Theoretic Approaches in Systems Biology
Editor :
Iglesias, P. A.
Ingalls, B.
Publisher :
MIT press
ISBN/EAN :
978-0-262-01334-5
Pages :
293-310
Available on ORBi :
since 15 May 2009

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