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Open Access 01-12-2012 | Research

HLA-G and HLA-E specific mRNAs connote opposite prognostic significance in renal cell carcinoma

Authors: Leos Kren, Ivo Valkovsky, Jan Dolezel, Ivo Capak, Dalibor Pacik, Alexandr Poprach, Radek Lakomy, Martina Redova, Pavel Fabian, Zdenka Krenova, Ondrej Slaby

Published in: Diagnostic Pathology | Issue 1/2012

Abstract

Background

Renal cell carcinoma (RCC) is characterized by its resistance to radiotherapy and/or chemotherapy. On the other hand, it is an immunogenic tumor - it is able to stimulate antitumor responses. A prognostic significance of HLA-G expression by neoplastic cells in RCC is not well characterized; significance HLA-E expression in RCC is not characterized at all.

Methods

In our study, we evaluated the expression of HLA-G and HLA-E specific mRNA transcripts produced by neoplastic cells in 38 cases of RCC and in 10 samples of normal kidney parenchyma. The results were statistically correlated with various clinico-pathological parameters.

Results

We confirmed that HLA-G is downregulated in normal kidney tissue; if it is up-regulated in RCC, then it is connected to worse prognosis. On the other hand, HLA-E mRNA transcripts were present in both normal kidney tissue and RCC and their increasing concentrations counterintuitively carried better prognosis, more favorable pT stage and lower nuclear Fuhrmann’s grade.

Conclusion

Considering the fact that there is known aberrant activation of HLA-G and HLA-E expression by interferons, identification of HLA-G and HLA-E status could contribute to better selection of RCC patients who could possibly benefit from more tailored neoadjuvant biological/immunological therapy. Thus, these molecules could represent useful prognostic biomarkers in RCC, and the expression of both these molecules in RCC deserves further study.

The virtual

Slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/7383071387016614

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Title: HLA-G and HLA-E specific mRNAs connote opposite prognostic significance in renal cell carcinoma
Authors: Leos Kren
Ivo Valkovsky
Jan Dolezel
Ivo Capak
Dalibor Pacik
Alexandr Poprach
Radek Lakomy
Martina Redova
Pavel Fabian
Zdenka Krenova
Ondrej Slaby
Publication date: 01-12-2012
Publisher: BioMed Central
Published in: Diagnostic Pathology / Issue 1/2012
Electronic ISSN: 1746-1596
DOI: https://doi.org/10.1186/1746-1596-7-58

Keynote webinar | Spotlight on medication adherence

Springer Medicine

HLA-G and HLA-E specific mRNAs connote opposite prognostic significance in renal cell carcinoma

Abstract

Background

Methods

Results

Conclusion

The virtual

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

The virtual

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