학술논문

Sensitivity analysis and robust experimental design of a signal transduction pathway system.
Document Type
Article
Source
International Journal of Chemical Kinetics. Nov2008, Vol. 40 Issue 11, p730-741. 12p. 2 Charts, 9 Graphs.
Subject
*EXPERIMENTAL design
*CELLULAR signal transduction
*MATHEMATICAL models
*OSCILLATIONS
*CELL nuclei
Language
ISSN
0538-8066
Abstract
Experimental design for cellular networks based on sensitivity analysis is studied in this work. Both optimal and robust experimental design strategies are developed for the IκB-NF-κB signal transduction model. Based on local sensitivity analysis, the initial IKK intensity is calculated using an optimal experimental design process, and several scalarization measures of the Fisher information matrix are compared. Global sensitivity analysis and robust experimental design techniques are then developed to consider parametric uncertainties in the model. The modified Morris method is employed in global sensitivity analysis, and a semidefinite programming method is exploited to implement the robust experimental design for the problem of measurement set selection. The parametric impacts on the oscillatory behavior of NF-κB in the nucleus are also discussed. © 2008 Wiley Periodicals, Inc. Int J Chem Kinet 40: 730–741, 2008 [ABSTRACT FROM AUTHOR]