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Although ovarian cancer mortality rates have slightly declined in the last 40 years, ovarian cancer continues to be the eighth cause of cancer death in women. Ovarian cancer is characterized by its high response to treatments but also by its high rate of recurrence. Although treatments are limited to cytoreductive surgery and platinum-based chemotherapy, other therapies using antiangiogenic agents and poly (ADP-ribose) polymerase inhibitors are being tested. Nevertheless, these therapeutic strategies have had poor results and new potential targets and approaches are thus needed. The present review focuses on the recent evidence on antiangiogenic strategies in ovarian cancer cells and on the mechanisms governed by Notch and β-catenin proteins. It also describes the concept of ‘vascular normalization’ by using the platelet-derived growth factor, PDGFB, molecule as a tool to regulate ovarian tumor angiogenesis and thus improve ovarian tumor treatment. It has been reported that alterations in the Notch system components and changes in the canonical Wnt/β-catenin signaling, the other pathway of our interest, are relevant to molecular events that contribute to ovarian cancer development. Thus, in this review, we consider these aspects of the ovarian tumor biology as potential new therapeutic strategies for the treatment of this disease.

Roads to the strategic targeting of ovarian cancer treatment