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Inference and validation of predictive gene networks from biomedical literature and gene expression data

par Olsen, Catharina ;Fleming, Kathleen;Prendergast, Niall;Rubio, Renee;Emmert-Streib, Frank;Bontempi, Gianluca ;Haibe-Kains, Benjamin ;Quackenbush, John
Référence Genomics, 103, page (329-336)
Publication Publié, 2014

Article révisé par les pairs

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Résumé :

Although many methods have been developed for inference of biological networks, the validation of the resulting models has largely remained an unsolved problem. Here we present a framework for quantitative assessment of inferred gene interaction networks using knock-down data from cell line experiments. Using this framework we are able to show that network inference based on integration of prior knowledge derived from the biomedical literature with genomic data significantly improves the quality of inferred networks relative to other approaches. Our results also suggest that cell line experiments can be used to quantitatively assess the quality of networks inferred from tumor samples. © 2014.