Avaliação dos marcadores de prognóstico Ki-67, p53 no tumor mamário maligno de cadelas
In view of the high incidence of mammary neoplasia in dogs, the aim of this study was to investigate the prognostic markers in the malignant mammary tumors of the female dog. For this, a sample of 30 mammary tumors was selected. The samples were divided into three groups according to histopathologic...
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Published in | PUBVET Vol. 6; no. 16; p. e1361 |
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Main Authors | , , |
Format | Journal Article |
Language | Portuguese |
Published |
29.11.2015
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Online Access | Get full text |
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Summary: | In view of the high incidence of mammary neoplasia in dogs, the aim of this study was to investigate the prognostic markers in the malignant mammary tumors of the female dog. For this, a sample of 30 mammary tumors was selected. The samples were divided into three groups according to histopathological classification: carcinosarcoma, solid carcinoma or tubulopapillary carcinoma. The Ki-67, p53, prognostic markers were evaluated by means of immunohistochemistry, using the streptavidin-biotin-peroxidase technique. For Ki-67, a significant difference was seen between solid and tubulopapillary carcinomas. The p53, a significant difference was seen between carcinosarcoma and solid anda tubulopapillary carcinomas.
Tendo em vista a elevada incidência das neoplasias mamárias nas cadelas, este trabalho teve como objetivo investigar os marcadores de prognóstico nos tumores malignos caninos. Para a realização deste estudo foram selecionadas 30 amostras de tumores mamários de cadelas. As amostras foram divididas em 3 grupos, de acordo com a classificação histopatológica sendo, carcinossarcoma, carcinoma sólido, carcinoma tubulopapilar. A avaliação dos marcadores de prognóstico Ki-67, p53, foi conduzida por imuno-histoquímica, utilizando-se a técnica estreptoavidina-biotina-peroxidase. Para o Ki-67 a diferença significativa foi vista entre o carcinoma sólido e carcinoma tubulopapilar. O gene p53 apresentou diferença significativa (P |
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ISSN: | 1982-1263 1982-1263 |
DOI: | 10.22256/pubvet.v6n16.1361 |