Article
DNA Damage Disrupts the p14ARF-B23(Nucleophosmin) Interaction and Triggers a Transient Subnuclear Redistribution of p14ARF
1 Nov 2005
Abstract excerpt
The p14 alternate reading frame (ARF) tumor suppressor plays a central role in cancer by binding to mdm2 (Hdm2 in humans) and enhancing p53-mediated apoptosis following DNA damage and oncogene activation. It is unclear, however, how ARF initiates its involvement in the p53/mdm2 pathway, as p53 and mdm2 are located in the nucleoplasm, whereas ARF is largely nucleolar in tumor cells. We have used immunofluorescence...
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