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Overexpression and clinicopathological contribution of DcR3 in bladder urothelial carcinoma tissues
Yi-Qiang Jiang1, Teng-Fei Zhong, Yi-Wu Dang
1Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
Background:
To explore the expression of DcR3 protein and its clinicopathological significance in bladder urothelial carcinomas (BUC).
Materials And Methods:
Immunohistochemistry was performed to detect the expression of DcR3, caspase-3, Bcl-2, VEGF, Ki-67, PCNA and P53 in 166 BUC and 56 normal bladder tissues. Western blotting was used to detect the expression of DcR3 in the supernatants of cultured BUC cells.
Results:
Overexpression of DcR3 was found in BUC tissues and cell lines, with significant elevation as compared to normal bladder tissues (p<0.0001). Higher DcR3 expression was related to the status of invasion, lymph node metastasis and recurrence. Furthermore, DcR3 expression was negatively correlated with caspase-3 and positively associated with Bcl-2, VEGF, Ki-67 labeling index (LI), PCNA LI and P53 (all p<0.0001), respectively.
Conclusions:
DcR3 may play a crucial role as an oncogene in tumorigenesis, deterioration and progress of BUC via influencing related pathways of apoptosis, proliferation and angiogenesis. The detection of DcR3 protein in the formalin- fixed and paraffin-embedded samples could assist to predict in prognosis of BUC patients.
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