Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/1677-5449.008615
Jornal Vascular Brasileiro
Original Article

Expressão imunoistoquímica da endoglina (CD105) e do fator de von Willebrand em carcinoma epidermoide oral e sua relação com parâmetros clinicopatológicos

Immunohistochemical expression of endoglin (CD105) and von Willebrand factor in oral squamous cell carcinoma and its relationship with clinicopathological parameters

Rodrigo Porpino Mafra; Marianna Sampaio Serpa; Salomão Israel Monteiro Lourenço Queiroz; Ruth Lopes de Freitas Xavier Lima; Lélia Batista de Souza; Leão Pereira Pinto

http://dx.doi.org/10.1590/1677-5449.008615 J Vasc Bras, vol.15, n1, p.21-26, 2016
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Resumo

Resumo Contexto A angiogênese tem sido associada à progressão de neoplasias malignas e, embora haja estudos acerca de marcadores angiogênicos no carcinoma epidermoide oral (CEO), existem resultados conflitantes na literatura. Objetivos Avaliar a expressão imunoistoquímica do CD105 e do fator de von Willebrand (FvW) em CEO e sua relação com parâmetros clínicos do tumor. Métodos A imunoexpressão dos referidos biomarcadores foi analisada em 30 casos de CEO e correlacionada a parâmetros clínicos do tumor (idade e sexo dos pacientes, localização anatômica e estadiamento clínico Tumor, Nodo e Metástase, TNM). Resultados A imunomarcação com o anticorpo anti-FvW foi mais efetiva que a do CD105 no CEO. No que concerne à localização anatômica, o assoalho bucal e a região retromolar apresentaram diferenças estatisticamente significativas quanto aos índices angiogênicos (p = 0,004), determinados pela técnica de contagem microvascular (MVC). Não houve relação estatisticamente significativa entre o estadiamento clínico TNM e os índices angiogênicos, com os dois biomarcadores. Conclusões Com base nos achados deste estudo, sugere-se um envolvimento da neoformação vascular na carcinogênese oral, embora não tenha sido evidenciada associação significativa com o estágio clínico da lesão.

Palavras-chave

carcinoma de células escamosas, neovascularização patológica, patologia bucal

Abstract

Abstract Background Angiogenesis has been linked with progression of malignant neoplasms and although studies have been conducted investigating angiogenic markers in oral squamous cell carcinoma (OSCC), contradictory results are reported in the literature. Objectives To evaluate immunohistochemical expression of CD105 and von Willebrand factor (vWF) in OSCC and their relationships with clinical parameters of the tumors. Methods Immunoexpression of these biomarkers was analyzed in 30 cases of OSCC and correlated with clinical parameters of the tumors (age and sex of patients, anatomic site and Tumor, Node and Metastasis clinical staging [TNM]). Results In OSCC specimens, immunostaining was more effective using the anti-vWF antibody than using the anti-CD105 antibody. Angiogenic indices, determined by microvascular count (MVC) technique, were different for the floor of the mouth and the retromolar region, with statistical significance (p = 0.004). There were no statistically significant relationships between results for the two biomarkers and TNM clinical staging or angiogenic indices. Conclusions The findings of this study suggest that vascular remodeling is involved in oral carcinogenesis, although there was no evidence of a significant association with clinical stage of lesions.

Keywords

squamous cell carcinoma, pathological neovascularization, oral pathology

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