Publication:
The prognostic importance of e-cadherin and p53 gene expression in transitional bladder carcinoma patients

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Date
2005-09
Authors
Arısan, Serdar
Çaşkurlu, Turhan
Güney, Soner
Sönmez, Nurettin Cem
Keleş, Bayram
Arısan, Elif Damla
Ergenekon, Erbil
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Kluwer Academic Publishers
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Abstract

Objective: The clinical course of transitional cell carcinoma is highly variable. The determination of sensitive prognostic factors for transitional cell carcinoma is very important. Therefore e-cadherin and p53 immunohistochemical activity can be used with other prognostic factors. Methods: The study comprised with 61 (4 women and 57 men) selected patients who had transitional cell carcinoma. Paraffin embedded tissue sections were investigated immunohistochemically for e-cadherin normal staining and p53 over expression. Results: It is seen that when grade and stages of illness increased normal staining of e-cadherin decreased and p53 over expressed. Abnormal e-cadherin was significantly associated with disease recurrence (P < 0.001), disease progression (P < 0.001) and bladder specific survival. p53 differentiation was not significant for disease recurrence (P > 0.05) inverse to prognosis of illness. Transurethral resectomy and BCG treatments were not effected e-cadherin and p53 activity within the groups statistically. Conclusion: Significant differences can be helpful to investigate patients more detailed pathologically. These expression rates in different type of transitional cell carcinoma patients may represent a biologically more aggressive cancer, requiring early definitive therapy. This hypothesis should be evaluated in larger studies and prospective clinical trials.

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Keywords
E-cadherins , Immunohistochemistry , p53 , Prognosis , TCC , Tumor markers
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