{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T07:19:17Z","timestamp":1761895157284},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"18","license":[{"start":{"date-parts":[[2016,10,2]],"date-time":"2016-10-02T00:00:00Z","timestamp":1475366400000},"content-version":"vor","delay-in-days":2220,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/2.0\/uk\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2010,9,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Motivation: Network modelling in systems biology has become an important tool to study molecular interactions in cancer research, because understanding the interplay of proteins is necessary for developing novel drugs and therapies. De novo reconstruction of signalling pathways from data allows to unravel interactions between proteins and make qualitative statements on possible aberrations of the cellular regulatory program. We present a new method for reconstructing signalling networks from time course experiments after external perturbation and show an application of the method to data measuring abundance of phosphorylated proteins in a human breast cancer cell line, generated on reverse phase protein arrays.<\/jats:p>\n               <jats:p>Results: Signalling dynamics is modelled using active and passive states for each protein at each timepoint. A fixed signal propagation scheme generates a set of possible state transitions on a discrete timescale for a given network hypothesis, reducing the number of theoretically reachable states. A likelihood score is proposed, describing the probability of measurements given the states of the proteins over time. The optimal sequence of state transitions is found via a hidden Markov model and network structure search is performed using a genetic algorithm that optimizes the overall likelihood of a population of candidate networks. Our method shows increased performance compared with two different dynamical Bayesian network approaches. For our real data, we were able to find several known signalling cascades from the ERBB signalling pathway.<\/jats:p>\n               <jats:p>Availability: Dynamic deterministic effects propagation networks is implemented in the R programming language and available at http:\/\/www.dkfz.de\/mga2\/ddepn\/<\/jats:p>\n               <jats:p>Contact: \u00a0c.bender@dkfz.de<\/jats:p>","DOI":"10.1093\/bioinformatics\/btq385","type":"journal-article","created":{"date-parts":[[2010,9,7]],"date-time":"2010-09-07T17:41:46Z","timestamp":1283881306000},"page":"i596-i602","source":"Crossref","is-referenced-by-count":27,"title":["Dynamic deterministic effects propagation networks: learning signalling pathways from longitudinal protein array data"],"prefix":"10.1093","volume":"26","author":[{"given":"Christian","family":"Bender","sequence":"first","affiliation":[{"name":"1 Department of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, 2Department of Algorithmic Bioinformatics, Bonn-Aachen International Center for IT, 53113 Bonn and 3Department of Medical Statistics, University of G\u00f6ttingen, 37099 G\u00f6ttingen, Germany"}]},{"given":"Frauke","family":"Henjes","sequence":"additional","affiliation":[{"name":"1 Department of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, 2Department of Algorithmic Bioinformatics, Bonn-Aachen International Center for IT, 53113 Bonn and 3Department of Medical Statistics, University of G\u00f6ttingen, 37099 G\u00f6ttingen, Germany"}]},{"given":"Holger","family":"Fr\u00f6hlich","sequence":"additional","affiliation":[{"name":"1 Department of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, 2Department of Algorithmic Bioinformatics, Bonn-Aachen International Center for IT, 53113 Bonn and 3Department of Medical Statistics, University of G\u00f6ttingen, 37099 G\u00f6ttingen, Germany"}]},{"given":"Stefan","family":"Wiemann","sequence":"additional","affiliation":[{"name":"1 Department of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, 2Department of Algorithmic Bioinformatics, Bonn-Aachen International Center for IT, 53113 Bonn and 3Department of Medical Statistics, University of G\u00f6ttingen, 37099 G\u00f6ttingen, Germany"}]},{"given":"Ulrike","family":"Korf","sequence":"additional","affiliation":[{"name":"1 Department of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, 2Department of Algorithmic Bioinformatics, Bonn-Aachen International Center for IT, 53113 Bonn and 3Department of Medical Statistics, University of G\u00f6ttingen, 37099 G\u00f6ttingen, Germany"}]},{"given":"Tim","family":"Bei\u00dfbarth","sequence":"additional","affiliation":[{"name":"1 Department of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, 2Department of Algorithmic Bioinformatics, Bonn-Aachen International Center for IT, 53113 Bonn and 3Department of Medical Statistics, University of G\u00f6ttingen, 37099 G\u00f6ttingen, Germany"}]}],"member":"286","published-online":{"date-parts":[[2010,9,4]]},"reference":[{"key":"2023012508281166100_B1","first-page":"17","article-title":"Identification of genetic networks from a small number of gene expression patterns under the Boolean network model","author":"Akutsu","year":"1999","journal-title":"Pac. 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