Combinaciones efectivas de fármacos en células de cáncer de mama, colon y páncreas
Patricia Jaaks1, Elizabeth A Coker1, Daniel J Vis2,3
1Wellcome Sanger Institute, Cambridge, UK.
Nature
|February 24, 2022
Resumen
La identificación de combinaciones efectivas de fármacos contra el cáncer es crucial para los nuevos tratamientos. Este estudio encontró que la sinergia de fármacos es rara y depende del contexto, pero identificó combinaciones específicas efectivas en ciertos tipos de cáncer.
Área de la Ciencia:
- En el campo de la oncología
- Farmacología
- La genómica
Sus antecedentes:
- La resistencia a los medicamentos y las opciones limitadas de tratamiento requieren nuevas estrategias contra el cáncer.
- El gran número de posibles combinaciones de fármacos hace que las pruebas clínicas sean inviables.
- Se necesita una identificación sistemática de las combinaciones efectivas de fármacos y sus contextos.
Objetivo del estudio:
- Evaluar la eficacia de 2 025 combinaciones clínicamente relevantes de dos fármacos en diversas líneas celulares de cáncer.
- Identificar biomarcadores para combinaciones de fármacos sinérgicos y sus contextos moleculares específicos.
- Acelerar el desarrollo de terapias de combinación racional contra el cáncer.
Principales métodos:
- Cribado de 2.025 combinaciones de dos fármacos en 125 líneas celulares de cáncer de mama, colorrectal y pancreático caracterizadas molecularmente.
- Integración de las características moleculares multi-ómicas para identificar biomarcadores predictivos.
- Validación in vivo de combinaciones sinérgicas de fármacos en injertos de tumores.
Principales resultados:
- Se encontró que la sinergia de medicamentos es rara y altamente dependiente del contexto.
- Las combinaciones de agentes objetivo mostraron la mayor probabilidad de sinergia.
- Se identificaron combinaciones sinérgicas específicas para el cáncer de mama basal y el cáncer de colon estable en microsatélites o mutante en KRAS.
- La inhibición de irinotecán y CHEK1 demostró una sinergia en subtipos específicos de cáncer de colon, lo que condujo a la apoptosis y la supresión del crecimiento tumoral.
Conclusiones:
- Las combinaciones sinérgicas de medicamentos contra el cáncer son específicas del contexto y raras.
- Los datos multi-ómicos pueden identificar biomarcadores para predecir respuestas sinérgicas a los medicamentos.
- Este estudio proporciona un recurso valioso para guiar el desarrollo racional de terapias combinadas contra el cáncer en distintas subpoblaciones moleculares.
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