Low Frequency ALK Hotspots Mutations In Neuroblastoma Tumours Detected By Ultra-deep Sequencing: Implications For ALK Inhibitor Treatment

Abstract excerpt

The ALK tyrosine kinase receptor is oncogenically activated in neuroblastoma. Whereas numerous ALK fusion genes have been reported in different malignancies, in neuroblastoma ALK is mainly activated through point mutations. Three hotspot residues (F1174, F1245, and R1275) account for 85% of mutant ALK seen in neuroblastoma. In a cohort of 105 Swedish neuroblastoma cases of all stages, these hotspot regions were...

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