Title
Gene Regulatory Network Inference via Regression Based Topological Refinement
Abstract
Inferring the structure of gene regulatory networks from gene expression data has attracted a growing interest during the last years. Several machine learning related methods, such as Bayesian networks, have been proposed to deal with this challenging problem. However, in many cases, network reconstructions purely based on gene expression data not lead to satisfactory results when comparing the obtained topology against a validation network. Therefore, in this paper we propose an "inverse" approach: Starting from a priori specified network topologies, we identify those parts of the network which are relevant for the gene expression data at hand. For this purpose, we employ linear ridge regression to predict the expression level of a given gene from its relevant regulators with high reliability. Calculated statistical significances of the resulting network topologies reveal that slight modifications of the pruned regulatory network enable an additional substantial improvement.
Year
DOI
Venue
2007
10.1142/9781860947995_0029
Series on Advances in Bioinformatics and Computational Biology
Keywords
Field
DocType
gene regulatory network,bayesian network,network topology,statistical significance,machine learning
Data mining,Computer science,A priori and a posteriori,Artificial intelligence,Biological network inference,Inverse,Topology,Regression,Inference,Network topology,Bayesian network,Bioinformatics,Gene regulatory network,Machine learning
Conference
Volume
ISSN
Citations 
5
1751-6404
0
PageRank 
References 
Authors
0.34
13
3
Name
Order
Citations
PageRank
Jochen Supper11068.69
Holger Fröhlich255339.27
Andreas Zell31419137.58