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J Ovarian Res. 2013 Jan 22;6(1):6. doi: 10.1186/1757-2215-6-6.

Her-2/neu expression is a negative prognosticator in ovarian cancer cases that do not express the follicle stimulating hormone receptor (FSHR).

Author information

  • 1Department of Obstetrics and Gynaecology - Campus Innenstadt, Ludwig-Maximilians-University of Munich, Maistrasse 11, 80337, Munich, Germany. udo.jeschke@med.uni-muenchen.de.

Abstract

BACKGROUND:

Anti-Her-2 treatment is successfully administered to Her-2 overexpressing breast cancer patients and significantly implicates upon their survival. Building on these promising results, anti-Her-2 treatment protocols were tested as an option for epithelial ovarian cancer (EOC) as well. However Her-2 signalling is known to be modulated by G-protein coupled receptors (GPCR). Since a common GPCR in ovarian cancer is the FSH receptor (FSHR), we investigated the prognostic significance of Her-2 in patients that had been stratified according to their FSHR status.

FINDINGS:

A total number of 153 EOC patients were included in this study. Her-2 positivity was assessed using a standard protocol. Intriguingly Her-2 turned out to be an independent prognostic marker for poor overall survival only in those patients that did not express FSHR. This did neither apply for the whole panel nor in case of FSHR co-expression.

CONCLUSIONS:

We thus conclude that Her-2 can be a negative prognosticator only in FSHR negative EOC cases. Hence by stratifying EOC patients according to their FSHR expression status, we introduce a diagnostic protocol to effectively select EOC patients that would most probably respond to anti-Her-2 treatment. This observation could be of clinical importance in terms of selecting the patient that would most likely benefit from anti-Her-2 treatment.

PMID:
23339713
[PubMed]
PMCID:
PMC3557169
Free PMC Article
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