期刊
INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY
卷 45, 期 11, 页码 2574-2579出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biocel.2013.08.014
关键词
Cancer subtypes; Consensus clustering; Gene expression; Stratified medicine; Personalized medicine
资金
- KWF Fellowship (Dutch Cancer Society)
- Cancer Research UK [17044] Funding Source: researchfish
Gene-expression-based classification studies have changed the way cancer is traditionally perceived. It is becoming increasingly clear that many cancer types are in fact not single diseases but rather consist of multiple molecular distinct subtypes. In this review, we discuss unsupervised classification studies of common malignancies during the recent years. We found that the bioinformatic workflow of many of these studies follows a common main stream, although different statistical tools may be preferred from case to case. Here we summarize the employed methods, with a special focus on consensus clustering and classification. For each critical step of the bioinformatic analysis, we explain the biological relevance and implications of the technical principles. We think that a better understanding of these ever more frequently used methods to study cancer heterogeneity by the biomedical community is relevant as these type of studies will have an important impact on patient stratification and cancer subtype-specific drug development in the future. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
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