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Comparison of different algorithms for simultaneous estimation of multiple parameters in kinetic metabolic models

Baker, Syed Murtuza ; Schallau, Kai ; Junker, Björn H.

Journal of Integrative Bioinformatics - JIB (ISSN 1613-4516)


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Abstract:
Computational models in systems biology are usually characterized by a lack of reliable parameter values. This is especially true for kinetic metabolic models. Experimental data can be used to estimate these missing parameters. Different optimization techniques have been explored to solve this challenging task but none has proved to be superior to the other. In this paper we review the problem of parameter estimation in kinetic models. We focus on the suitability of four commonly used optimization techniques of parameter estimation in biochemical pathways and make a comparison between those methods. The suitability of each technique is evaluated based on the ability of converging to a solution within a reasonable amount of time. As most local optimization methods fail to arrive at a satisfactory solution we only considered the global optimization techniques. A case study of the upper part of Glycolysis consisting 15 parameters is taken as the benchmark model for evaluating these methods.


Institution: Faculty of Technology, Research Groups in Informatics
DDC classification: Data processing, computer science, computer systems

Suggested Citation:
Comparison of different algorithms for simultaneous estimation of multiple parameters in kinetic metabolic models. Journal of Integrative Bioinformatics - JIB (ISSN 1613-4516), 7(3), 2010

Online-Journal: http://journal.imbio.de/article.php?aid=133
URL: http://biecoll.ub.uni-bielefeld.de/volltexte/2010/5033



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