c‑met is overexpressed in type I ovarian cancer: Results of an investigative analysis in a cohort of consecutive ovarian cancer patients

Battista,Marco  Johannes; Schmidt,Marcus; Jakobi,Sina; Cotarelo,Cristina; Almstedt,Katrin; Heimes,Anne‑Sophie; Makris,Georgios‑Marios; Weyer,Veronika; Lebrecht,Antje; Hoffmann,Gerald; Eichbaum,Michael

doi:10.3892/ol.2016.4895

September-2016 Volume 12 Issue 3

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September-2016 Volume 12 Issue 3

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Article

c‑met is overexpressed in type I ovarian cancer: Results of an investigative analysis in a cohort of consecutive ovarian cancer patients

Authors:
- Marco Johannes Battista
- Marcus Schmidt
- Sina Jakobi
- Cristina Cotarelo
- Katrin Almstedt
- Anne‑Sophie Heimes
- Georgios‑Marios Makris
- Veronika Weyer
- Antje Lebrecht
- Gerald Hoffmann
- Michael Eichbaum
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Affiliations: Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D‑55131, Germany, Department of Pathology, University Medical Center Mainz, Mainz D‑55131, Germany, Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center Mainz, Mainz D‑55131, Germany, Department of Gynecology and Obstetrics, Marienkrankenhaus Frankfurt, Frankfurt D‑60318, Germany
Pages: 2001-2007
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Published online on: July 21, 2016

https://doi.org/10.3892/ol.2016.4895
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Abstract

The tyrosine kinase c‑met alters signaling cascades such as the BRAF-MAPK and PI3K-PKB pathways. These alterations are involved in the carcinogenesis of type I but not type II ovarian cancer (OC). Therefore, the present study investigated the patterns of c‑met expression in a cohort of consecutive patients with OC. c‑met expression was determined by immunohistochemical analysis. Differences in c‑met overexpression among subgroups of established clinicopathological features, including age, histological subtype, tumor stage, histological grading, post‑operative tumor burden and completeness of chemotherapy, were determined by χ2 test. Cox regression analyses were performed to determine the prognostic effect of c‑met. Survival rates were estimated using the Kaplan‑Meier method. A total of 106 patients were enrolled into the study. c‑met was overexpressed in 20.8% of the entire cohort; 35.7% of patients with type I OC and 8.6% of patients with type II OC showed overexpression (P=0.001). However, c‑met overexpression was not associated with any other established clinicopathological features (all P‑values >0.05). Univariate Cox regression analysis showed that overexpression of c‑met was associated neither with progression‑free survival (PFS) nor with disease‑specific survival (DSS) (P=0.835 and P=0.414, respectively). Kaplan‑Meier plots also failed to demonstrate an effect of c‑met on the 5‑year PFS and DSS rates (P=0.938 and P=0.412, respectively). These findings support the hypotheses that the overexpression of c‑met is associated with type I but not type II OC, and that overexpression of c‑met does not affect the prognosis of OC.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

c‑met is overexpressed in type I ovarian cancer: Results of an investigative analysis in a cohort of consecutive ovarian cancer patients

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