Article ID Journal Published Year Pages File Type
5817146 Experimental and Toxicologic Pathology 2013 6 Pages PDF
Abstract

Upper urinary tract urothelial cell carcinoma (UUT-UCC) is a rare yet aggressive urologic tumor with a high rate of recurrence and metastasis, resulting in high mortality. Chemotherapy has been used to prevent recurrence and treat metastatic UUT-UCCs. Although UUT-UCC is sensitive to chemotherapy, the patients' responses to therapy vary and the therapy outcome is unpredictable. Therefore, the identification of patients who are at high risk of failure in chemotherapy is important for accurate prognostication, patient counseling, and better therapy. We have obtained cells from UUT-UCC tumor tissues after surgery and established individual primary cultured cell lines, which were used to evaluate E-cadherin and Ki-67 proliferation marker expression and their chemosensitivity to chemotherapeutic drugs. Differential Ki-67 expression and chemosensitivity were observed in these primary cultured cell lines, suggesting these types of UUT-UCC cell lines could provide a platform for determining prognostic makers and evaluating the efficacy of chemotherapy. In conclusion, primary cultured cell lines from individual patients will be a great tool for evaluating and determining each individual's personalized chemotherapy course and for testing and screening new chemotherapeutic agents against UUT-UCCs.

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