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PTK7 Expression in Triple-negative Breast Cancer

MPG-Autoren
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Knyazev,  Pjotr
Ullrich, Axel / Molecular Biology, Max Planck Institute of Biochemistry, Max Planck Society;

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Zitation

Ataseven, B., Angerer, R., Kates, R., Gunesch, A., Knyazev, P., Hoegel, B., et al. (2013). PTK7 Expression in Triple-negative Breast Cancer. ANTICANCER RESEARCH, 33(9), 3759-3763.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0014-D0F9-9
Zusammenfassung
Background: Protein tyrosine kinase-7 (PTK7) plays an important role in cancer. Our aim was to evaluate PTK7 in triple-negative breast cancer (TNBC). Materials and Methods: PTK7 Expression was assessed by immunohistochemistry (IHC) in 133 patients with TNBC. Expression levels were correlated with clinicopathological features and survival, taking chemotherapy into account. Results: Positive PTK7 expression was detected in 28.6% of tumors. In the total population, no significant difference was detected in disease-free survival (DFS) or overall survival (OS) related to PTK7 status. However, in patients treated by chemotherapy, patients with PTK7-negative tumors seemed to have better DFS than those with PTK7-positive tumors, particularly for patients treated with only anthracycline-therapy drugs. In patients receiving other chemotherapy regimens, PTK7 status had no significant impact on DFS or OS. Conclusion: Our results support earlier findings that PTK7 may be associated with resistance to anthracycline-based chemotherapy.