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Combined MEK and YAP inhibition in a mouse model of neuroblastoma: A promising approach for minimal residual disease
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Pediatric Oncology 696 items
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Read the article on jpedsurg.org ↗Article · Oct 2025 · 1 min read
In brief
In brief
This study investigates combined MEK and YAP inhibition as a strategy to overcome resistance in high-risk neuroblastoma treatment. Using a mouse model mimicking post-surgical minimal residual disease, researchers address the challenge of YAP-mediated resistance that develops during long-term trametinib therapy.
- Trametinib (MEK inhibitor) shows efficacy in neuroblastoma models and prolongs survival in minimal residual disease settings.
- Long-term trametinib monotherapy leads to resistance via YAP activation in the Hippo pathway.
- Combined MEK and YAP inhibition may overcome resistance mechanisms in high-risk neuroblastoma treatment.
- Minimal residual disease mouse models effectively mimic post-surgical residual tumor for therapy testing.
Written by the GCMD Library team from the article.
The cure rate of high-risk neuroblastoma remains unsatisfactory, necessitating the development of novel therapies. We previously reported the in vitro and in vivo efficacy of trametinib (TR), a MEK inhibitor, in neuroblastoma. The administration of TR further prolonged survival in a mouse model of neuroblastoma with minimal residual disease (MRD), which mimics post-tumorectomy residuals. However, the acquisition of resistance to long-term TR administration with YAP activation in the Hippo pathway remains an issue.
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