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Journal Information
Vol. 31. Issue 4.
Pages 355-360 (January 2007)
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Vol. 31. Issue 4.
Pages 355-360 (January 2007)
Expresión de cadherina E y cateninas en los carcinomas uroteliales.
Expresion of e-cadherin and catenins in urothelial carcinomas
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1330
P. San Miguel Fraile1
Corresponding author
psanmiguel@povisa.es

Dra. P. San Miguel Fraile. Servicio de Anatomía Patológica. Hospital Povisa Salamanca, 5. 36211 Vigo (Pontevedra). Tel.: 986-413144 Ext: 1161.
, C. Gómez de María, L. Donis Quintairos, A. Carrera Vazquez, P. Iglesias Martínez, MªJ. Barreiro Barbosa
Servicio de Anatomía Patológica. Hospital POVISA. Vigo. Pontevedra
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Resumen
Objetivo

Determinar la correlación entre la expresión de cadherina E y α, β, y γ cateninas detectadas con técnicas de inmunohistoquímica, con las variables pronósticas clásicas del carcinoma urotelial: grado histológico, estadio clínico y recurrencia.

Material y métodos

Hemos estudiado la expresión de cadherina E y α, β, y γ cateninas en 37 biopsias de carcinomas transicionales de vejiga. Diecinueve corresponden a carcinomas transicionales de vejiga no recurrentes y 18 a carcinomas transicionales de vejiga recurrentes. Hemos estudiado estadísticamente la asociación de estos marcadores con el estadio clínico, grado histológico y recurrencia del tumor.

Resultados

Demostramos una correlación estadísticamente significativa entre la expresión de cadherina E y γ catenina con el estadio clínico del tumor. No demostramos asociación estadística significativa entre la expresión de α, y β catenina con el grado histológico, estadio clínico y recurrencia del tumor.

Conclusión

La expresión aberrante de cadherina E y ??catenina parece estar relacionado con la capacidad invasiva de los carcinomas uroteliales.

Palabras clave:
Carcinoma urotelial
Vejiga
Cadherina E
Cateninas
Abstract
Objetive

We examined the presence of E-cadherin and α, β, y γ catenins detected by immunohistochemistry and correlated with the classic variables: grade, stage and recurrence.

Material and method

The authors evaluated 37 transitional cell carcinomas. Biopsy specimens included no recurrent transitional cell carcinoma (n=19) and recurrent transitional cell carcinoma (n=18). Association of E-cadherin and α, β, and γ catenins immunoreactivity with tumor grade, clinical stage and tumor recurrence was examined.

Results

E-cadherin and ??catenin expression were related to the clinical stage of the disease, α,and β catenins were not correlated with grade, stage and recurrence of disease.

Conclusions

Decreased E cadherin and γ catenin expression were associated with advanced stage of the disease.

Key words:
Urothelial carcinoma
Bladder
E-cadherin
Catenin

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