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Article Abstract
Murine double minute 2 (MDM2) has long been a therapeutic target to stabilize and upregulate wild-type tumor protein 53 (p53) in cancer. We initially reported WB156 as a degrader of MDM2 that can upregulate p53 levels in acute leukemia. To further evaluate the therapeutic potential of WB156, we tested it in a variety of cancers alongside another reported MDM2 degrader. We found that WB156 is active in wild-type and mutant p53-bearing leukemias due to its ability to degrade both MDM2 and G1 To S Phase Transition 1 (GSPT1) protein. In cancers that are non-responsive to MDM2 degradation alone, WB156 acts as a GSPT1 degrader to induce anti-proliferative effects. Here, we report the first MDM2/GSPT1 dual degrader that also upregulates p53 levels.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12146042 | PMC |
| http://dx.doi.org/10.1016/j.ejmech.2025.117793 | DOI Listing |
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