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Title: Transcriptome meta-analysis reveals dysregulated pathways in nasopharyngeal carcinoma
Authors: Warut Tulalamba
Noppadol Larbcharoensub
Ekaphop Sirachainan
Aunchalee Tantiwetrueangdet
Tavan Janvilisri
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 24-Aug-2015
Citation: Tumor Biology. Vol.36, No.8 (2015), 5931-5942
Abstract: © 2015, International Society of Oncology and BioMarkers (ISOBM). Nasopharyngeal carcinoma (NPC) is a malignant cancer arising from the epithelial surface of the nasopharynx that mostly appears in advanced stages of the disease, leading to a poor prognosis. To date, a number of mRNA profiling investigations on NPC have been reported in order to identify suitable biomarkers for early detection. However, the results may be specific to each study with distinct sample types. In this study, an integrative meta-analysis of NPC transcriptome data was performed to determine dysregulated pathways, potentially leading to identification of molecular markers. Ten independent NPC gene expression profiling microarray datasets, including 135 samples from NPC cell lines, primary cell lines, and tissues were assimilated into a meta-analysis and cross-validation to identify a cohort of genes that were significantly dysregulated in NPC. Bioinformatics analyses of these genes revealed the significant pathways and individual players involving in cellular metabolism, cell cycle regulation, DNA repair, as well as ErbB pathway. Altogether, we propose that dysregulation of these molecular pathways in NPC might play a role in the NPC pathogenesis, providing clues, which could eventually translate into diagnostic and therapeutic approaches.
ISSN: 14230380
Appears in Collections:Scopus 2011-2015

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