Regulation of p14ARF expression by miR-24: a potential mechanism compromising the p53 response during retinoblastoma development

Abstract excerpt

BACKGROUND: Most human cancers show inactivation of both pRB- and p53-pathways. While retinoblastomas are initiated by loss of the RB1 tumor suppressor gene, TP53 mutations have not been found. High expression of the p53-antagonist MDM2 in human retinoblastomas may compromise p53 tumor surveillance so that TP53 mutations are not selected for in retinoblastoma tumorigenesis. We previously showed that p14ARF...

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