Article
Activation of an MDM2-specific caspase by p53 in the absence of apoptosis.
The Journal of biological chemistry - 21 May 1999
Pochampally R, Fodera B, Chen L, Lu W, Chen J
Abstract excerpt
Cells undergoing p53-mediated apoptosis activate caspase 3-like activities, resulting in the cleavage of the MDM2 oncoprotein and other apoptotic substrates such as poly(ADP-ribose) polymerase. To investigate the mechanism of p53-mediated apoptosis and to determine whether cleavage of MDM2 has a potential role in regulating p53, we examined caspase activation and cleavage of MDM2 in a cell line undergoing...
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