PURPOSE:

 

The interaction of p53 with its negative regulators Mdm2/4 has been widely studied (Khoury and Domling in Curr Pharm Des 18(30):4668-4678, 2012). In p53+/+ cells, expression of Mdm2/4 leads to p53 turnover, inhibition of downstream transcription, decreasing cell cycle arrest, or apoptosis. We report in vitro cytotoxicity and in vivo efficacy, pharmacokinetics, and metabolism of YH264, YH263, and WW751, three proposed small molecule inhibitors of the Mdm2/4-p53 interaction.

 

 

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