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Open Access 01-12-2015 | Short report

Diagnostic and prognostic potential of miR-21, miR-29c, miR-148 and miR-203 in adenocarcinoma and squamous cell carcinoma of esophagus

Authors: Renata Hezova, Alena Kovarikova, Josef Srovnal, Milada Zemanova, Tomas Harustiak, Jiri Ehrmann, Marian Hajduch, Marek Svoboda, Milana Sachlova, Ondrej Slaby

Published in: Diagnostic Pathology | Issue 1/2015

Abstract

Background

Esophageal cancer is the malignant tumor with very poor prognosis and increasing incidence often diagnosed at very late stage, so the prognosis of affected patients is unsatisfactory, despite the development of therapeutic option such as surgery, chemotherapy and radiotherapy. Consequently, there is a great need for biomarkers to allow a tailored multimodality approach with increased efficiency. Altered expression of microRNAs has been reported in wide range of malignancies, including esophageal cancer. The aim of this study was to examine the expression levels of candidate microRNAs in esophageal cancer and evaluate their diagnostic and prognostic potential.

Findings

Using quantitative real-time PCR, expression levels of 9 candidate microRNAs were examined in 62 tissue samples, 23 esophageal adenocarcinomas, 22 esophageal squamous cell carcinomas and 17 adjacent esophageal mucosa samples. MicroRNA expression levels were further analyzed in regards to clinico-pathological features of esophageal cancer patients. We observed significantly decreased levels of miR-203 and increased levels of miR-21 in adenocarcinoma tissues when compared to normal mucosa. MiR-29c and miR-148 indicated good ability to distinguish between histological subtypes of esophageal cancer. MiR-203 and miR-148 were linked to disease-free survival and overall survival in esophageal adenocarcinoma patients, and miR-148 also in esophageal squamous cell carcinoma patients.

Conclusions

Our data suggest that altered expression of miR-21, miR-29c, miR-148 and miR-203 are related to neoplastic transformation and progression of the disease and these microRNAs could serve as a potential diagnostic and prognostic biomarkers in esophageal cancer.

Virtual slides

The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/4646922201567057

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Title: Diagnostic and prognostic potential of miR-21, miR-29c, miR-148 and miR-203 in adenocarcinoma and squamous cell carcinoma of esophagus
Authors: Renata Hezova
Alena Kovarikova
Josef Srovnal
Milada Zemanova
Tomas Harustiak
Jiri Ehrmann
Marian Hajduch
Marek Svoboda
Milana Sachlova
Ondrej Slaby
Publication date: 01-12-2015
Publisher: BioMed Central
Published in: Diagnostic Pathology / Issue 1/2015
Electronic ISSN: 1746-1596
DOI: https://doi.org/10.1186/s13000-015-0280-6

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Diagnostic and prognostic potential of miR-21, miR-29c, miR-148 and miR-203 in adenocarcinoma and squamous cell carcinoma of esophagus

Abstract

Background

Findings

Conclusions

Virtual slides

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Background

Findings

Conclusions

Virtual slides

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