Transcriptomics

Dataset Information

89

The genomic landscape of nasopharyngeal carcinoma


ABSTRACT: Nasopharyngeal carcinoma (NPC) has extremely skewed ethnic and geographic distributions, is poorly understood at the genetic level and is in need of effective therapeutic approaches. Here we determined the mutational landscape of 128 cases with NPC using whole-exome and targeted deep sequencing, as well as SNP array analysis. These approaches revealed a distinct mutational signature and nine significantly mutated genes, many of which have not been implicated previously in NPC. Notably, integrated analysis showed enrichment of genetic lesions affecting several important cellular processes and pathways, including chromatin modification, ERBB-PI3K signaling and autophagy machinery. Further functional studies suggested the biological relevance of these lesions to the NPC malignant phenotype. In addition, we uncovered a number of new druggable candidates because of their genomic alterations. Together our study provides a molecular basis for a comprehensive understanding of, and exploring new therapies for, NPC Examination of mRNA expression levels in 4 individuals dignosed for Nasopharyngeal Carcinoma using RNA sequencing.

ORGANISM(S): Homo sapiens  

SUBMITTER: H P Koeffler  De-Chen Lin   Lin De-Chen    

PROVIDER: E-GEOD-63381 | ArrayExpress| 2014-11-28

SECONDARY ACCESSION(S): GSE63381SRP049967PRJNA267603

REPOSITORIES: GEO, ArrayExpress, ENA

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Publications


Nasopharyngeal carcinoma (NPC) has extremely skewed ethnic and geographic distributions, is poorly understood at the genetic level and is in need of effective therapeutic approaches. Here we determined the mutational landscape of 128 cases with NPC using whole-exome and targeted deep sequencing, as well as SNP array analysis. These approaches revealed a distinct mutational signature and nine significantly mutated genes, many of which have not been implicated previously in NPC. Notably, integrate  ...[more]

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