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

Basic information
Original title:HLA-G and HLA-E specific mRNAs connote opposite prognostic significance in renal cell carcinoma
Authors:Leoš Křen, Ivo Valkovský, Jan Doležel, Ivo Čapák, Dalibor Pacík, Alexandr Poprach, Radek Lakomý, Martina Rédová, Pavel Fabian, Zdenka Křenová, Ondřej Slabý
Further information
Citation:KŘEN, Leoš, Ivo VALKOVSKÝ, Jan DOLEŽEL, Ivo ČAPÁK, Dalibor PACÍK, Alexandr POPRACH, Radek LAKOMÝ, Martina RÉDOVÁ, Pavel FABIAN, Zdenka KŘENOVÁ and Ondřej SLABÝ. HLA-G and HLA-E specific mRNAs connote opposite prognostic significance in renal cell carcinoma. Diagnostic Pathology, LONDON: BIOMED CENTRAL LTD, 2012, vol. 7, No 1, p. 58-64. ISSN 1746-1596. doi:10.1186/1746-1596-7-58.Export BibTeX
@article{984207,
author = {Křen, Leoš and Valkovský, Ivo and Doležel, Jan and Čapák, Ivo and Pacík, Dalibor and Poprach, Alexandr and Lakomý, Radek and Rédová, Martina and Fabian, Pavel and Křenová, Zdenka and Slabý, Ondřej},
article_location = {LONDON},
article_number = {1},
doi = {http://dx.doi.org/10.1186/1746-1596-7-58},
keywords = {renal cell carcinoma; radiotherapy; chemotherapy; HLA-G; HLA-E},
language = {eng},
issn = {1746-1596},
journal = {Diagnostic Pathology},
title = {HLA-G and HLA-E specific mRNAs connote opposite prognostic significance in renal cell carcinoma},
url = {http://www.diagnosticpathology.org/content/pdf/1746-1596-7-58.pdf},
volume = {7},
year = {2012}
}
Original language:English
Field:Oncology and hematology
WWW:link to a new windowhttp://www.diagnosticpathology.org/content/pdf/1746-1596-7-58.pdf
Type:Article in Periodical
Keywords:renal cell carcinoma; radiotherapy; chemotherapy; HLA-G; HLA-E

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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