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Título: c-KIT signaling as the driving oncogenic event in sub-groups of melanomas
Fecha de publicación: 2009
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: 616 - Patología. Medicina clínica. Oncología
Palabras clave: Inatinib
Ocular melanoma
Resumen: As we enter the era of targeted therapy for melanoma, attempts are being made to sub-group tumors on the basis of their driving oncogenic mutations, with the hope of developing truly personalized therapeutic regimens. c-KIT is a receptor tyrosine kinase whose aberrant activation is implicated in the progression of gastrointestinal stromal tumors and some acute myeloid leukemias. The role of c-KIT signaling in melanoma has been controversial; although c-KIT activity is critical to melanocyte development, its expression tends to be lost in most melanomas. Some reports have even shown that the re-expression of c-KIT induces apoptosis in melanoma cell lines. The recent publication of work showing the presence of activating c-KIT mutations in acral and mucosal melanomas, as well as melanomas arising on skin with chronic sun damage, has renewed interest in c-KIT signaling in melanoma. Recent work from our own laboratory has further identified melanomas with constitutive c-KIT signaling activity resulting from c- KIT receptor overexpression. Although the initial clinical trials of the c-KIT inhibitor imatinib mesylate in melanoma were negative, some dramatic responses have been seen in patients with very high c-KIT expression and/or documented activating mutations, fostering the belief that focused studies in patients selected on the basis of c-KIT mutational status will yield more encouraging results. The current review discusses the role of c-KIT signaling in melanoma progression and how this new information can be applied to the targeted therapy of melanoma.
Autor/es principal/es: Smalley, Keiran S.M.
Sondak, Vernon K.
Weber, Jeffrey S.
Publicado en: Histology and histopathology
URI: http://hdl.handle.net/10201/36018
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 8
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol.24, nº5 (2009)

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