Tumour induction by the retinoblastoma mutation is independent of N-myc expression.

Abstract excerpt

Retinoblastoma (RB) tumours form in the eyes of young children when homozygosity for a mutation at the Rb-1 locus develops in a somatic retinal cell. A similar shift to homozygosity for the RB mutation has been observed in osteogenic sarcoma (OS) tumours that commonly arise as second tumours in children who survive RB. This observation suggests that the Rb-1 locus controls the expression of genes with oncogenic...

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