Measurement set selection of parameter estimation in biological system modelling - a case study of signal transduction pathways

J.F. Jia, Hong Yue

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Abstract

Parameter estimation is a challenging problem for biological systems modelling since the model is normally of high dimension, the measurement data are sparse and noisy and the cost of experiments high. Accurate recovery of parameters depends on the quality and quantity of measurement data. It is therefore important to know which measurements to be taken when and how through optimal experimental design (OED). In this paper a method was proposed to determine the most informative measurement set for parameter estimation of dynamic systems, in particular biochemical reaction systems, such that the unknown parameters can be inferred with the best possible statistical quality using the data collected from the designed experiments. System analysis using matrix theory was used to examine the number of necessary measurement variables. The priority of each measurement variable was determined by optimal experimental design based on Fisher information matrix (FIM). The applicability and advantages of the proposed method were shown through an example of signal pathway model.
Original languageEnglish
Pages (from-to)828-835,845
Number of pages8
JournalJournal- China University of Science and Technology
Volume42
Issue number10
Publication statusPublished - 2012

Keywords

  • measurement set selection
  • parameter estimation
  • biological systems
  • optimal experimental design

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