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Revealing signaling pathway deregulation by using gene expression signatures and regulatory motif analysis

Yingchun Liu1 and Markus Ringnér2*

Author affiliations

1 Computational Biology and Biological Physics, Department of Theoretical Physics, Lund University, SE-221 85, Sweden

2 Division of Oncology, Department of Clinical Sciences, Lund University, SE-221 85, Sweden

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Citation and License

Genome Biology 2007, 8:R77  doi:10.1186/gb-2007-8-5-r77

Published: 11 May 2007


Gene expression signatures consisting of tens to hundreds of genes have been found to be informative for different biological states. Recently, many computational methods have been proposed for biological interpretation of such signatures. However, there is a lack of methods for identifying cell signaling pathways whose deregulation results in an observed expression signature. We present a strategy for identifying such signaling pathways and evaluate the strategy using six human and mouse gene expression signatures.