Mutaciones de KIT, NRAS y BRAF en melanoma

Autores/as

  • Luz de María Díaz-Granados
  • Margarita María Velásquez

Palabras clave:

elanoma, mutaciones, alteraciones genéticas, KIT, NRAS, BRAF.

Resumen

El melanoma, aunque es uno de los cánceres de piel menos frecuentes, corresponde a la principal causa de muerte por cáncer de piel debido a su capacidad de producir metástasis. Existen cinco subtipos clínicos principales, de los cuales el más frecuente en Colombia es el melanoma lentiginoso ‘acral’ (sic.). Durante las últimas décadas, se han detectado vías alteradas de señalización intracelular en la patogénesis del melanoma, con mutaciones que afectan principalmente a los genes KIT, NRAS y, con mayor frecuencia, BRAF, todos implicados en la activación de la vía de señalización MAPK; gracias a estos descubrimientos se han desarrollado medicamentos que inhiben selectivamente la transcripción de estos genes mutantes y que, en ensayos clínicos, han demostrado disminución del tamaño tumoral y aumento de la supervivencia de los pacientes con melanoma metastásico.

Biografía del autor/a

Luz de María Díaz-Granados

Médica, residente de tercer año de Dermatología, Sección de Dermatología, Universidad de Antioquia: Grupo de Investigación Dermatológica, GRID, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia

Margarita María Velásquez

Médica dermatóloga y doctora en Ciencias Básicas Biomédicas; profesora, Sección de Dermatología, Centro de Investigaciones Dermatológicas –CIDERM, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia.

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Cómo citar

1.
Díaz-Granados L de M, Velásquez MM. Mutaciones de KIT, NRAS y BRAF en melanoma . rev. asoc. colomb. dermatol. cir. dematol. [Internet]. 9 de agosto de 2019 [citado 18 de abril de 2024];23(4):299-307. Disponible en: https://revista.asocolderma.org.co/index.php/asocolderma/article/view/1087

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2019-08-09

Cómo citar

1.
Díaz-Granados L de M, Velásquez MM. Mutaciones de KIT, NRAS y BRAF en melanoma . rev. asoc. colomb. dermatol. cir. dematol. [Internet]. 9 de agosto de 2019 [citado 18 de abril de 2024];23(4):299-307. Disponible en: https://revista.asocolderma.org.co/index.php/asocolderma/article/view/1087

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