Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2010-3-8
pubmed:abstractText
Adenocarcinomas (AC), squamous cell carcinomas (SCC) and adenosquamous carcinomas (ASC) are three histological subtypes of non-small-cell lung carcinomas (NSCLC). ASC are morphologically mixed tumours that contain the two cell components AC and SCC. To understand if they are a "simple" mix of AC and SCC or if they present molecular specificities, as compared with the molecular characterization of both components, we performed a comparative transcriptome analysis on a series of nine ASC, five AC and five SCC induced in rats by radon exposure. We found that 72, 40 and 39 genes were differentially expressed when comparing AC_SCC, ASC_SCC and AC_ASC, respectively. Moreover, when classifying the three histological subtypes, using genes that discriminated AC and SCC, we observed that all ASC were classified as intermediate between the AC and SCC, some being closer to AC, others to SCC. These results indicated that, regarding gene expression, ASC could be considered as a mix of AC and SCC, both in various proportions. However, they also exhibit molecular specificities since we found specific genes discriminating ASC_SCC and AC_ASC. In conclusion, the ASC mixed lung tumours are more complex than simple mixes of AC and SCC components. Neuroendocrine differentiation and ERK proliferation pathways seemed preferentially deregulated in ASC compared to AC and SCC respectively, pathways that are worthy of being explored because they could partially explain the high clinical aggressiveness of ASC.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1872-8332
pubmed:author
pubmed:copyrightInfo
Copyright (c) 2009 Elsevier Ireland Ltd. All rights reserved.
pubmed:issnType
Electronic
pubmed:volume
68
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1-9
pubmed:meshHeading
pubmed-meshheading:20004040-Adenocarcinoma, pubmed-meshheading:20004040-Animals, pubmed-meshheading:20004040-Carcinoma, Adenosquamous, pubmed-meshheading:20004040-Carcinoma, Squamous Cell, pubmed-meshheading:20004040-Cell Line, Tumor, pubmed-meshheading:20004040-Cell Transformation, Neoplastic, pubmed-meshheading:20004040-DNA Mutational Analysis, pubmed-meshheading:20004040-GATA6 Transcription Factor, pubmed-meshheading:20004040-Gene Expression Profiling, pubmed-meshheading:20004040-Gene Expression Regulation, Neoplastic, pubmed-meshheading:20004040-Genes, ras, pubmed-meshheading:20004040-Lung, pubmed-meshheading:20004040-Lung Neoplasms, pubmed-meshheading:20004040-MAP Kinase Signaling System, pubmed-meshheading:20004040-Microarray Analysis, pubmed-meshheading:20004040-Mucin-1, pubmed-meshheading:20004040-Radon, pubmed-meshheading:20004040-Rats, pubmed-meshheading:20004040-Rats, Sprague-Dawley, pubmed-meshheading:20004040-Receptor, Notch2
pubmed:year
2010
pubmed:articleTitle
Are adenosquamous lung carcinomas a simple mix of adenocarcinomas and squamous cell carcinomas, or more complex at the molecular level?
pubmed:affiliation
CEA, DSV, IRCM, SREIT, Laboratoire de Cancérologie Expérimentale, BP6, Fontenay-aux-Roses Cedex F-92265, France. kristell.bastide@cea.fr
pubmed:publicationType
Journal Article, Review, Research Support, Non-U.S. Gov't