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MDM2 antagonist ASTX295

An orally available, small molecule inhibitor of the human homolog of murine double minute 2 (MDM2; HDM2), with potential antineoplastic activity. Upon oral administration, MDM2 antagonist ASTX295 targets and binds to MDM2 protein and prevents its binding to the transcriptional activation domain of the tumor suppressor protein p53. This prevents p53 proteasomal degradation and restores the transcriptional activity of p53. This leads to p53-mediated induction of apoptosis in cancers with a wild-type p53 gene. MDM2, an E3 ubiquitin ligase, regulates the level and activity of p53.

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Synonym:	MDM2 inhibitor ASTX295
Code name:	ASTX 295 ASTX-295 ASTX295

MDM2 antagonist ASTX295

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