Transcriptomics

Dataset Information

93

Deep Sequencing the microRNA profile in rhabdomyosarcoma reveals down-regulation of miR-378 family members


ABSTRACT: Rhabdomyosarcoma (RMS) is a highly malignant tumour accounting for nearly half of soft tissue sarcomas in children. Altered miRNA levels have been reported in human cancers, including RMS. Using deep sequencing technology, a total of 685 miRNAs were investigated in a group of alveolar RMSs (ARMSs), embryonal RMSs (ERMSs) as well as in normal skeletal muscle (NSM). Bioinformatics pipelines were used for miRNA target prediction and clustering analysis. Ninety-seven miRNAs were significantly deregulated in ARMS and ERMS when compared to NSM. MiR-378 family members were dramatically decreased in RMS tumour tissue and cell lines. Interestingly, members of the miR-378 family presented as a possible target the insulin-like growth factor receptor 1 (IGF1R), a key signalling molecule in RMS.

INSTRUMENT(S): AB SOLiD 4 System

ORGANISM(S): Homo sapiens  

SUBMITTER: Francesca Megiorni  Alessandro Guffanti     

PROVIDER: E-MTAB-3246 | ArrayExpress| 2015-01-28

SECONDARY ACCESSION(S): ERP009329

REPOSITORIES: ArrayExpress, ENA

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BACKGROUND: Rhabdomyosarcoma (RMS) is a highly malignant tumour accounting for nearly half of soft tissue sarcomas in children. MicroRNAs (miRNAs) represent a class of short, non-coding, regulatory RNAs which play a critical role in different cellular processes. Altered miRNA levels have been reported in human cancers, including RMS. METHODS: Using deep sequencing technology, a total of 685 miRNAs were investigated in a group of alveolar RMSs (ARMSs), embryonal RMSs (ERMSs) as well as in normal  ...[more]

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