Systematic name M1345
Brief description Genes commonly up-regulated in cancer relative to normal tissue, according to the meta-analysis of the OncoMine gene expression database.
Full description or abstract Many studies have used DNA microarrays to identify the gene expression signatures of human cancer, yet the critical features of these often unmanageably large signatures remain elusive. To address this, we developed a statistical method, comparative metaprofiling, which identifies and assesses the intersection of multiple gene expression signatures from a diverse collection of microarray data sets. We collected and analyzed 40 published cancer microarray data sets, comprising 38 million gene expression measurements from >3,700 cancer samples. From this, we characterized a common transcriptional profile that is universally activated in most cancer types relative to the normal tissues from which they arose, likely reflecting essential transcriptional features of neoplastic transformation. In addition, we characterized a transcriptional profile that is commonly activated in various types of undifferentiated cancer, suggesting common molecular mechanisms by which cancer cells progress and avoid differentiation. Finally, we validated these transcriptional profiles on independent data sets.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 15184677   Authors: Rhodes DR,Yu J,Shanker K,Deshpande N,Varambally R,Ghosh D,Barrette T,Pandey A,Chinnaiyan AM
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Source species Homo sapiens
Contributed by John Newman (University of Washington)
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Version history 3.0: Renamed from CANCER_NEOPLASTIC_META_UP

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