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- W2083445277 abstract "17β-Hydroxysteroid dehydrogenase type 1 (17β-HSD1) plays a pivotal role in the local synthesis of the most potent estrogen estradiol. Its expression is a prognostic marker for the outcome of patients with breast cancer and inhibition of 17β-HSD1 is currently under consideration for breast cancer prevention and treatment. We aimed to identify nonsteroidal 17β-HSD1 inhibitor scaffolds by virtual screening with pharmacophore models built from crystal structures containing steroidal compounds. The most promising model was validated by comparing predicted and experimentally determined inhibitory activities of several flavonoids. Subsequently, a virtual library of nonsteroidal compounds was screened against the 3D pharmacophore. Analysis of 14 selected compounds yielded four that inhibited the activity of human 17β-HSD1 (IC50 below 50 μM). Specificity assessment of identified 17β-HSD1 inhibitors emphasized the importance of including related short-chain dehydrogenase/reductase (SDR) members to analyze off-target effects. Compound 29 displayed at least 10-fold selectivity over the related SDR enzymes tested." @default.
- W2083445277 created "2016-06-24" @default.
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- W2083445277 date "2008-06-06" @default.
- W2083445277 modified "2023-10-03" @default.
- W2083445277 title "Discovery of Nonsteroidal 17β-Hydroxysteroid Dehydrogenase 1 Inhibitors by Pharmacophore-Based Screening of Virtual Compound Libraries" @default.
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- W2083445277 doi "https://doi.org/10.1021/jm800054h" @default.
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