Transcriptomics

Dataset Information

125

MicroRNA profiling of tumor and stromal tissue in metastatic colorectal paitents


ABSTRACT: Specific MicroRNAs (miRNAs) have been found up- or down-regulated in colorectal cancer, and they are associated with prognosis or response to chemotherapy or targeted drugs. The microenvironment close to the neoplasm plays a leading role in tumor spread and survival. We used microarray technology to profile miRNA expression both in primary tumor and stromal tissue to study differences and clinical implications.

ORGANISM(S): Homo sapiens  

SUBMITTER: Luca Beltrame  

PROVIDER: E-MTAB-2479 | ArrayExpress | 2014-11-04

REPOSITORIES: ArrayExpress

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Publications


Microarray technology was used to profile miRNA expression in primary tumor and stromal tissue from paraffin embedded material of 51 patients with colorectal cancer. 26 miRNAs resulted differentially expressed with at least 2-fold change in tumor tissue with respect to stroma (16 more expressed in the tumor and 10 more expressed in the stroma). 10/26 were confirmed as differentially expressed at qRTPCR: miR-200c-3p, miR-141-3p, miR-200b-3p, miR-200a-3p, miR-1246, miR-92a-3p, miR-194-5p, miR-192-  ...[more]

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