Transcriptome meta-analysis reveals dysregulated pathways in nasopharyngeal carcinoma

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
Warut TulalambaTavan Janvilisri

Abstract

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 t...Continue Reading

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Citations

Sep 13, 2015·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Young Seok LeeSung Young Kim
Oct 27, 2016·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Somsak LikhitrattanapisalTavan Janvilisri

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