Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/45095

TítuloThe metabolic microenvironment of melanomas: prognostic value of MCT1 and MCT4
Autor(es)Pinheiro, Céline
Baltazar, Maria de Fátima Monginho
Longatto Filho, Adhemar
Reis, R. M.
Monocarboxylate transporters
Warburg effect
EditoraTaylor & Francis
RevistaCell Cycle
Resumo(s)BRAF mutations are known drivers of melanoma development and, recently, were also described as players in the Warburg effect, while this reprogramming of energy metabolism has been identified as a possible strategy for treating melanoma patients. Therefore, the aim of this work was to evaluate the expression and prognostic value of a panel of glycolytic metabolism-related proteins in a series of melanomas. The immunohistochemical expression of MCT1, MCT4, GLUT1, and CAIX was evaluated in 356 patients presenting melanoma and 20 patients presenting benign nevi. Samples included 20 benign nevi, 282 primary melanomas, 117 lymph node and 54 distant metastases samples. BRAF mutation was observed in 29/92 (31.5%) melanoma patients and 17/20 (85%) benign nevi samples. NRAS mutation was observed in 4/36 (11.1%) melanoma patients and 1/19 (5.3%) benign nevi samples. MCT4 and GLUT1 expression was significantly increased in metastatic samples, and MCT1, MCT4 and GLUT1 were significantly associated with poor prognostic variables. Importantly, MCT1 and MCT4 were associated with shorter overall survival. In conclusion, the present study brings new insights on metabolic aspects of melanoma, paving the way for the development of new-targeted therapies.
Versão da editorahttp://www.tandfonline.com/doi/abs/10.1080/15384101.2016.1175258?journalCode=kccy20
Arbitragem científicayes
Aparece nas coleções:ICVS - Artigos em Revistas Internacionais com Referee

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