og:image: http://journals.plos.org/ploscompbiol/article/figure/image?id=10.1371/journal.pcbi.1002888.g006&size=inline citation_author_institution: Centre for Integrative Systems Biology and Bioinformatics, Imperial College London, London, United Kingdom citation_title: Maximizing the Information Content of Experiments in Systems Biology twitter:card: summary keywords: Experimental design,AKT signaling cascade,Information entropy,Monte Carlo method,Entropy,Simulation and modeling,Mathematical models,Probability distribution citation_reference: citation_title=The nature of systems biology;citation_author=F Bruggeman;citation_author=H Westerhoff;citation_journal_title=TRENDS in Microbiology;citation_volume=15;citation_number=15;citation_first_page=45;citation_last_page=50;citation_publication_date=2007; citation_publisher: Public Library of Science citation_journal_title: PLOS Computational Biology description: Author Summary For most biological signalling and regulatory systems we still lack reliable mechanistic models. And where such models exist, e.g. in the form of differential equations, we typically have only rough estimates for the parameters that characterize the biochemical reactions. In order to improve our knowledge of such systems we require better estimates for these parameters and here we show how judicious choice of experiments, based on a combination of simulations and information theoretical analysis, can help us. Our approach builds on the available, frequently rudimentary information, and identifies which experimental set-up provides most additional information about all the parameters, or individual parameters. We will also consider the related but subtly different problem of which experiments need to be performed in order to decrease the uncertainty about the behaviour of the system under altered conditions. We develop the theoretical framework in the necessary detail before illustrating its use and applying it to the repressilator model, the regulation of Hes1 and signal transduction in the Akt pathway. citation_date: 31.01.2013 title: Maximizing the Information Content of Experiments in Systems Biology og:description: Author Summary For most biological signalling and regulatory systems we still lack reliable mechanistic models. And where such models exist, e.g. in the form of differential equations, we typically have only rough estimates for the parameters that characterize the biochemical reactions. In order to improve our knowledge of such systems we require better estimates for these parameters and here we show how judicious choice of experiments, based on a combination of simulations and information theoretical analysis, can help us. Our approach builds on the available, frequently rudimentary information, and identifies which experimental set-up provides most additional information about all the parameters, or individual parameters. We will also consider the related but subtly different problem of which experiments need to be performed in order to decrease the uncertainty about the behaviour of the system under altered conditions. We develop the theoretical framework in the necessary detail before illustrating its use and applying it to the repressilator model, the regulation of Hes1 and signal transduction in the Akt pathway. twitter:image: http://journals.plos.org/ploscompbiol/article/figure/image?id=10.1371/journal.pcbi.1002888.g006&size=inline citation_issn: 1553-7358 twitter:site: @ploscompbiol dc:title: Maximizing the Information Content of Experiments in Systems Biology Content-Encoding: UTF-8 Content-Type-Hint: text/html; charset=utf-8 citation_pdf_url: http://journals.plos.org/ploscompbiol/article/file?id=10.1371/journal.pcbi.1002888&type=printable Content-Type: text/html; charset=UTF-8 X-Parsed-By: org.apache.tika.parser.DefaultParser twitter:title: Maximizing the Information Content of Experiments in Systems Biology og:type: article citation_journal_abbrev: PLOS Computational Biology og:title: Maximizing the Information Content of Experiments in Systems Biology citation_author: Juliane Liepe citation_issue: 1 citation_firstpage: e1002888 citation_doi: 10.1371/journal.pcbi.1002888 twitter:description: Author Summary For most biological signalling and regulatory systems we still lack reliable mechanistic models. And where such models exist, e.g. in the form of differential equations, we typically have only rough estimates for the parameters that characterize the biochemical reactions. In order to improve our knowledge of such systems we require better estimates for these parameters and here we show how judicious choice of experiments, based on a combination of simulations and information theoretical analysis, can help us. Our approach builds on the available, frequently rudimentary information, and identifies which experimental set-up provides most additional information about all the parameters, or individual parameters. We will also consider the related but subtly different problem of which experiments need to be performed in order to decrease the uncertainty about the behaviour of the system under altered conditions. We develop the theoretical framework in the necessary detail before illustrating its use and applying it to the repressilator model, the regulation of Hes1 and signal transduction in the Akt pathway. dc.identifier: 10.1371/journal.pcbi.1002888 citation_volume: 9 og:url: http://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1002888 Content-Language: en