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From the third issue of 2017, Microarrays has changed its name to High-Throughput.

Open AccessArticle
Microarrays 2016, 5(3), 18; doi:10.3390/microarrays5030018

MicroRNA Profile of Lung Tumor Tissues Is Associated with a High Risk Plasma miRNA Signature

1
Unit of Tumor Genomics, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan 20133, Italy
2
Unit of Thoracic Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan 20133, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Massimo Negrini
Received: 1 April 2016 / Revised: 1 June 2016 / Accepted: 28 June 2016 / Published: 5 July 2016
(This article belongs to the Special Issue Diagnostic, Prognostic and Predictive Cancer Biomarkers)
View Full-Text   |   Download PDF [764 KB, uploaded 5 July 2016]   |  

Abstract

Lung cancer is the most common cause of cancer deaths worldwide. MicroRNAs (miRNAs) are short, non-coding RNAs that regulate gene expression. Many studies have reported that alterations in miRNA expression are involved in several human tumors. We have previously identified a circulating miRNA signature classifier (MSC) able to discriminate lung cancer with more aggressive features. In the present work, microarray miRNA profiling of tumor tissues collected from 19 lung cancer patients with an available MSC result were perform in order to find a possible association between miRNA expression and the MSC risk level. Eleven tissue mature miRNAs and six miRNA precursors were observed to be associated with the plasma MSC risk level of patients. Not one of these miRNAs was included in the MSC algorithm. A pathway enrichment analysis revealed a role of these miRNA in the main pathways determining lung cancer aggressiveness. Overall, these findings add to the knowledge that tissue and plasma miRNAs behave as excellent diagnostic and prognostic biomarkers, which may find rapid application in clinical settings. View Full-Text
Keywords: microRNA; microarray; liquid biopsy; lung cancer microRNA; microarray; liquid biopsy; lung cancer
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fortunato, O.; Verri, C.; Pastorino, U.; Sozzi, G.; Boeri, M. MicroRNA Profile of Lung Tumor Tissues Is Associated with a High Risk Plasma miRNA Signature. Microarrays 2016, 5, 18.

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