Article
TBX-3, the gene mutated in Ulnar-Mammary Syndrome, is a negative regulator of p19ARF and inhibits senescence.
The Journal of biological chemistry - 22 Feb 2002
Brummelkamp Thijn R, Kortlever Roderik M, Lingbeek Merel, Trettel Flavia, MacDonald Marcy E, van Lohuizen Maarten, Bernards René
Abstract excerpt
Prolonged culturing of rodent cells in vitro activates p19(ARF) (named p14(ARF) in man), resulting in a p53-dependent proliferation arrest known as senescence. The p19(ARF)-Mdm2-p53 pathway also serves to protect primary cells against oncogenic transformation. We have used a genetic screen in mouse neuronal cells, conditionally immortalized by a temperature-sensitive mutant of SV40 large T antigen, to identify...
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