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Article Abstract
MDM2 has been pursued as an attractive therapeutic target for human cancers. Herein, we describe our discovery of MD-265 as a promising PROTAC MDM2 degrader and extensive and evaluations of its therapeutic potential and mechanism of action. MD-265 effectively depleted MDM2 protein in cancer cells at concentrations as low as 1 nM, leading to strong activation of p53 in cancer cells carrying wild-type p53. It selectively inhibited the growth of wild-type p53 leukemia cell lines and showed no activity in mutated p53 lines. MD-265 achieved persistent tumor regression in a leukemia xenograft model without causing any signs of toxicity and dramatically improved survival of mice in a disseminated leukemia model even with a weekly administration. MD-265 displayed an excellent intravenous PK profile in mice, rats, and dogs. MD-265 is a promising MDM2 degrader for advanced preclinical development for the treatment of human cancers.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12077404 | PMC |
| http://dx.doi.org/10.1021/acs.jmedchem.4c01818 | DOI Listing |
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