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Cellular Therapy for Ovarian Cancer: Experimental and Clinical Perspectives

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Abstract:

Ovarian cancer is the leading cause of death among gynecologic malignancies and the 5th leading cause of cancer deaths for women in the United States. Two-thirds of patients present with advanced-stage disease (Stage III and IV) and the majority will suffer recurrence of disease, require ongoing treatment, and eventually succumb to chemotherapy-resistant disease. To potentially circumvent chemo-resistance in recurrent ovarian cancer, immunotherapy is being explored as a novel treatment option. Our laboratory findings demonstrate that immune effector cells from healthy donors elicit a significant cytotoxic response in the presence of IL-2 and IFN alpha- 2b against ovarian cancer in vitro; however, peripheral blood mononuclear cells (PBMC) isolated from ovarian cancer patients fail to elicit a similar response. A major obstacle to immunotherapy is the immunosuppressive environment supported by tumors, which limits the immune system’s ability to fight the tumor. Myeloid-derived suppressor cells are an immature population of myeloid cells, which have recently been implicated to play a major role in immunosuppression and tumor evasion. In addition to novel immunotherapies, new diagnostic and prognostic markers are being identified through applying molecular tools/approaches in clinical and pathological analyses of this malignancy, which will provide additional therapeutic targets. To test these experimental therapeutic options, pre-clinical murine models of ovarian cancer are being developed. Ultimately, treatment of ovarian cancer will benefit from the careful alignment of appropriate target, drug, patient, and trial design. This article provides an objective overview of cellular therapy (the use of immune cells to elicit an anti-tumor response) for ovarian cancer highlighting both experimental and clinical perspectives.

Keywords: Ovarian cancer; cellular therapy; clinical outcomes; experimental models; immunosuppression; targeted therapy

Document Type: Research Article

DOI: https://doi.org/10.2174/092986712801661158

Publication date: 2012-08-01

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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