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Gene. 2013 Jan 10;512(2):348-54. doi: 10.1016/j.gene.2012.09.123. Epub 2012 Oct 7.

Screening features to improve the class prediction of acute myeloid leukemia and myelodysplastic syndrome.

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  • 1Shenzhen Institutes of Advanced Technology, and Health Informatics Key Laboratory, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, P.R. China.

Abstract

After more than three decades of intensive investigations, the underpinning mechanism of myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) pathogenesis still remains largely uncharacterized, and their diagnosis relies heavily on the subjective factors. Recently gene expression profiling technique showed significant improvement in classifying some subtypes of AML, but the model's discriminating power of MDS from AML is still in its infancy. Feature selection plays an important role in the classification of the samples on the basis of the gene expression profiles. Our hypothesis explains that a better choice of features could improve the classification of the diseased and normal stage samples, and the potential application of feature screening to produce feature sets, with better accuracies and lowest number of embedded features. The observed results suggest that feature selection proves to be an essential and affirmative step in the biomedical data mining models based on gene expression profiles.

Copyright © 2012 Elsevier B.V. All rights reserved.

PMID:
23046576
[PubMed - indexed for MEDLINE]
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