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Valor prognóstico da expressão das proteínas dos genes p53, mdm2 e da família do gene bcl-2 no carcinoma de células transicionais músculo-invasivo de bexiga / The prognostic role of p53, mdm-2, and bcl-2 familly gene proteins expression in muscle-invasive transitional cell carcinoma of urinary bladder
São Paulo; s.n; 2004. 117 p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-397837
RESUMO
Este estudo incluiu 59 pacientes em que foram avaliadas as expressões das proteínas dos genes mdm-2, p53, e da família do gene bcl-2 por meio de método imunohistoquímico em carcinoma de células transicionais músculo-invasivo tratados com M-VAC, seguido do tratamento loco-regional. Este estudo procurou explorar a associação entre a expressão alterada destas proteínas com a sobrevida global. A expressão mínima ou ausente da proteína do gene p53 (p = 0.006) foi o único marcador que apresentou associação significativa, com taxas de sobrevida global mais favoráveis. /This study of 59 patients evaluated mdm-2, p53, and bcl-2 family gene protein expression by immunohistochemistry in muscle-invasive transitional cell carcinoma of urinary bladder treated with M-VAC, followed by locoregional treatment. This study explored the relationship between altered expression and long-term survival in this patient population. Absence or minimal p53 gene protein expression (p = 0.006) was the only molecular marker that statistically correlated with prolonged survival. However, the cooperative effects of mdm-2, p53, and bcl-2 genes represented a more robust prognostic model to delineate overall survival (p = 0.01) compared to isolated gene proteins...
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Index: LILACS (Americas) Main subject: Urinary Bladder Neoplasms / Carcinoma, Transitional Cell / Tumor Suppressor Protein p53 Type of study: Prognostic study Limits: Adult / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis

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Index: LILACS (Americas) Main subject: Urinary Bladder Neoplasms / Carcinoma, Transitional Cell / Tumor Suppressor Protein p53 Type of study: Prognostic study Limits: Adult / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis