期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 65, 期 21, 页码 14843-14863出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.2c01379
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In muscle-invasive luminal bladder cancer, activating PPARG can be a potential therapeutic approach. This study identified a series of covalent inverse-agonists of PPAR gamma that can regulate PPAR gamma target genes and exhibit antiproliferative effects.
The ligand-activated nuclear receptor peroxisome-proliferator-activated receptor-gamma (PPARG or PPAR gamma) represents a potential target for a new generation of cancer therapeutics, especially in muscle-invasive luminal bladder cancer where PPAR gamma is a critical lineage driver. Here we disclose the discovery of a series of chloro-nitro-arene covalent inverse-agonists of PPAR gamma that exploit a benzoxazole core to improve interactions with corepressors NCOR1 and NCOR2. In vitro treatment of sensitive cell lines with these compounds results in the robust regulation of PPAR gamma target genes and antiproliferative effects. Despite their imperfect physicochemical properties, the compounds showed modest pharmacodynamic target regulation in vivo. Improvements to the in vitro potency and efficacy of BAY-4931 and BAY-0069 compared to those of previously described PPAR gamma inverse-agonists show that these compounds are novel tools for probing the in vitro biology of PPAR gamma inverse-agonism.
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