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Analysis of Gene Expression Data with Pathway Scores

  • Alexander Zien
  • , Robert Küffner
  • , Ralf Zimmer
  • , Thomas Lengauer
  • German National Research Center for Information Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

93 Scopus citations

Abstract

We present a new approach for the evaluation of gene expression data. The basic idea is to generate biologically possible pathways and to score them with respect to gene expression measurements. We suggest sample scoring functions for different problem specifications. We assess the significance of the scores for the investigated pathways by comparison to a number of scores for random pathways. We show that simple scoring functions can assign statistically significant scores to biologically relevant pathways. This suggests that the combination of appropriate scoring functions with the systematic generation of pathways can be used in order to select the most interesting pathways based on gene expression measurements.

Original languageEnglish
Title of host publicationProceedings of the 8th International Conference on Intelligent Systems for Molecular Biology, ISMB 2000
PublisherAAAI Press
Pages407-417
Number of pages11
ISBN (Electronic)1577351150, 9781577351153
StatePublished - 2000
Externally publishedYes
Event8th International Conference on Intelligent Systems for Molecular Biology, ISMB 2000 - San Diego, United States
Duration: 19 Aug 200023 Aug 2000

Publication series

NameProceedings of the 8th International Conference on Intelligent Systems for Molecular Biology, ISMB 2000

Conference

Conference8th International Conference on Intelligent Systems for Molecular Biology, ISMB 2000
Country/TerritoryUnited States
CitySan Diego
Period19/08/0023/08/00

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