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nm23 protein expression in metastatic and non-metastatic tongue squamous cell carcinoma.
Braz J Otorhinolaryngol ; 74(3): 356-9, 2008.
Article em En | MEDLINE | ID: mdl-18661008
UNLABELLED: Oral squamous cells carcinoma (OSCC) shows unfavorable prognosis due to its invasion potential around the neighboring tissues and the elevated incidence of metastasis. AIM: the present paper aims at analyzing the immunohistochemical expression of the nm23 protein in metastatic and non-metastatic SCCs of tongue. METHODS: the immuno-expression to the nm23-hl protein was diagnosed in 35 tongue SCC (15 of which exhibiting metastasis). Nm23-hl immuno-scores were assigned as follow: score 0 = absent, 1 = focal and 2 = diffuse expression. RESULTS: The Fisher's exact test was performed and there was no statistical difference between the nm23-hl immuno-scores and the tongue SCCs studied cases (p=0.365), although 66.7% of metastatic cases presented negative nm23-hl expression. CONCLUSIONS: Protein nm23 was not associated with a positiveness for tongue SCC without metastasis. Thus, several others factors inherent to host and malignancy can be associated with the mechanisms that suppress the metastatic process in this disease.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Neoplasias da Língua / Carcinoma de Células Escamosas / Biomarcadores Tumorais / Nucleosídeo NM23 Difosfato Quinases Tipo de estudo: Observational_studies / Prognostic_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male Idioma: En Revista: Braz J Otorhinolaryngol Assunto da revista: OTORRINOLARINGOLOGIA Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Neoplasias da Língua / Carcinoma de Células Escamosas / Biomarcadores Tumorais / Nucleosídeo NM23 Difosfato Quinases Tipo de estudo: Observational_studies / Prognostic_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male Idioma: En Revista: Braz J Otorhinolaryngol Assunto da revista: OTORRINOLARINGOLOGIA Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil