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Published in: BMC Cancer 1/2010

Open Access 01-12-2010 | Research article

Necrosis related HIF-1α expression predicts prognosis in patients with endometrioid endometrial carcinoma

Authors: Laura MS Seeber, Nicole Horrée, Petra van der Groep, Elsken van der Wall, René HM Verheijen, Paul J van Diest

Published in: BMC Cancer | Issue 1/2010

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Abstract

Background

Hypoxia inducible factor 1α (HIF-1α) plays an essential role in the adaptive response of cells to hypoxia and is associated with aggressive tumour behaviour. We have shown p27kip1, which is generally reduced in endometrial cancer, to be re-expressed in hypoxic regions. This possibly contributes to survival of cancer cells. The aim of this study was to evaluate the prognostic value of HIF-1α and p27kip expression in patients with endometrioid endometrial cancer.

Methods

Expression levels of HIF-1α, CAIX, Glut-1, and p27kip1 were analyzed by immunohistochemistry. Percentage of positive cells, staining pattern (perinecrotic, diffuse, or mixed) and presence of necrosis were noted.

Results

Necrosis was correlated with shortened disease free survival (DFS) (p = 0.008) and overall survival (OS) (p = 0.045). For DFS, perinecrotic HIF-1α expression was also prognostic (p = 0.044). Moreover, high p27kip1 expression was an additional prognostic factor for these patients with perinecrotic HIF-1α expression. In multivariate Cox regression, perinecrotic HIF-expression emerged as an independent prognostic factor. Perinecrotic HIF-1α expression was significantly associated with CAIX and Glut-1 expression, pointing towards functional HIF-1.

Conclusions

In patients with endometrioid endometrial cancer, necrosis and necrosis-related expression of HIF-1α are important prognostic factors. More aggressive adjuvant treatment might be necessary to improve the outcome of patients with these characteristics.
Appendix
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Metadata
Title
Necrosis related HIF-1α expression predicts prognosis in patients with endometrioid endometrial carcinoma
Authors
Laura MS Seeber
Nicole Horrée
Petra van der Groep
Elsken van der Wall
René HM Verheijen
Paul J van Diest
Publication date
01-12-2010
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2010
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/1471-2407-10-307

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