Article
Stabilization of the MDM2 oncoprotein by mutant p53.
The Journal of biological chemistry - 2 Mar 2001
Peng Y, Chen L, Li C, Lu W, Agrawal S, Chen J
Abstract excerpt
MDM2 is a short-lived protein that regulates p53 degradation. We report here that transient coexpression of MDM2 and several p53 hotspot mutants resulted in stabilization and increased expression of MDM2. Ectopic expression of the mutant p53(175H) allele by recombinant adenovirus infection or stable transfection also stabilized endogenous MDM2 in p53-null cells. A panel of human tumor cell lines expressing...
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