A Structure-Activity Relationship Study of Bis-Benzamides as Inhibitors of Androgen Receptor-Coactivator Interaction.

MOLECULES(2019)

引用 6|浏览16
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摘要
The interaction between androgen receptor (AR) and coactivator proteins plays a critical role in AR-mediated prostate cancer (PCa) cell growth, thus its inhibition is emerging as a promising strategy for PCa treatment. To develop potent inhibitors of the AR-coactivator interaction, we have designed and synthesized a series of bis-benzamides by modifying functional groups at the N/C-terminus and side chains. A structure-activity relationship study showed that the nitro group at the N-terminus of the bis-benzamide is essential for its biological activity while the C-terminus can have either a methyl ester or a primary carboxamide. Surveying the side chains with various alkyl groups led to the identification of a potent compound 14d that exhibited antiproliferative activity (IC50 value of 16 nM) on PCa cells. In addition, biochemical studies showed that 14d exerts its anticancer activity by inhibiting the AR-PELP1 interaction and AR transactivation.
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关键词
alpha-helix mimetics,bis-benzamide scaffold,protein-protein interaction,prostate cancer,androgen receptor,coactivator PELP1
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