A machine learning pipeline for discriminant pathways identification

Details A machine learning pipeline for discriminant pathways identification A machine learning pipeline for discriminant pathways identification

2011-05-23

arxiv.org/abs/1105.4486v2

Biology

Quantitative Biology

Molecular Networks

Scientific paper

Motivation: Identifying the molecular pathways more prone to disruption during a pathological process is a key task in network medicine and, more in general, in systems biology. Results: In this work we propose a pipeline that couples a machine learning solution for molecular profiling with a recent network comparison method. The pipeline can identify changes occurring between specific sub-modules of networks built in a case-control biomarker study, discriminating key groups of genes whose interactions are modified by an underlying condition. The proposal is independent from the classification algorithm used. Three applications on genomewide data are presented regarding children susceptibility to air pollution and two neurodegenerative diseases: Parkinson's and Alzheimer's. Availability: Details about the software used for the experiments discussed in this paper are provided in the Appendix.

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