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. 2004 Feb 6;303(5659):844-8.
doi: 10.1126/science.1092472. Epub 2004 Jan 2.

In vivo activation of the p53 pathway by small-molecule antagonists of MDM2

Lyubomir T Vassilev  1 , Binh T Vu, Bradford Graves, Daisy Carvajal, Frank Podlaski, Zoran Filipovic, Norman Kong, Ursula Kammlott, Christine Lukacs, Christian Klein, Nader Fotouhi, Emily A Liu
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"VSports手机版" In vivo activation of the p53 pathway by small-molecule antagonists of MDM2

Lyubomir T Vassilev et al. Science. .
Free article

Abstract

MDM2 binds the p53 tumor suppressor protein with high affinity and negatively modulates its transcriptional activity and stability. Overexpression of MDM2, found in many human tumors, effectively impairs p53 function. Inhibition of MDM2-p53 interaction can stabilize p53 and may offer a novel strategy for cancer therapy VSports手机版. Here, we identify potent and selective small-molecule antagonists of MDM2 and confirm their mode of action through the crystal structures of complexes. These compounds bind MDM2 in the p53-binding pocket and activate the p53 pathway in cancer cells, leading to cell cycle arrest, apoptosis, and growth inhibition of human tumor xenografts in nude mice. .

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