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Classification and diagnostic prediction of cancers using gene expression profiling and artificial neural networks

In English

Författare

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Summary, in English

The purpose of this study was to develop a method of classifying cancers to specific diagnosticcategories based on their gene expression signatures using artificial neural networks (ANNs).We trained the ANNs using the small, round blue-cell tumors (SRBCTs) as a model. These cancersbelong to four distinct diagnostic categories and often present diagnostic dilemmas in clinicalpractice. The ANNs correctly classified all samples and identified the genes most relevant to theclassification. Expression of several of these genes has been reported in SRBCTs, but most havenot been associated with these cancers. To test the ability of the trained ANN models to recognizeSRBCTs, we analyzed additional blinded samples that were not previously used for the trainingprocedure, and correctly classified them in all cases. This study demonstrates the potentialapplications of these methods for tumor diagnosis and the identification of candidate targets fortherapy.

Publiceringsår

2001

Språk

Engelska

Sidor

673-679

Publikation/Tidskrift/Serie

Nature Medicine

Volym

7

Issue

6

Dokumenttyp

Artikel i tidskrift

Förlag

Nature Publishing Group

Ämne

  • Biophysics

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1546-170X