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Analyzing tumor gene expression profiles

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Author

Summary, in English

A brief introduction to high throughput technologies for measuring and analyzing gene expression is given. Various supervised and unsupervised data mining methods for analyzing the produced high-dimensional data are discussed. The main emphasis is on supervised machine learning methods for classification and prediction of tumor gene expression profiles. Furthermore, methods to rank the genes according to their importance for the classification are explored. The approaches are illustrated by exploratory studies using two examples of retrospective clinical data from routine tests; diagnostic prediction of small round blue cell tumors (SRBCT) of childhood and determining the estrogen receptor (ER) status of sporadic breast cancer. The classification performance is gauged using blind tests. These studies demonstrate the feasibility of machine learning-based molecular cancer classification.

Publishing year

2003-05

Language

English

Pages

59-74

Publication/Series

Artificial Intelligence in Medicine

Volume

28

Issue

1

Document type

Journal article

Publisher

Elsevier

Topic

  • Biophysics

Keywords

  • biomformatics
  • artificial neural networks
  • diagnostic prediction
  • target identification
  • drug
  • microarray
  • genes

Status

Published

ISBN/ISSN/Other

  • ISSN: 1873-2860