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Current Enzyme Inhibition


ISSN (Print): 1573-4080
ISSN (Online): 1875-6662

Review Article

Synthesis and Biological Evaluation of Estradiol-Core Derivatives Bearing a Fused γ-Lactone as Inhibitors of 17β-Hydroxysteroid Dehydrogenase Type 1

Author(s): Etienne Ouellet, Diana Ayan and Donald Poirier

Volume 10, Issue 1, 2014

Page: [39 - 52] Pages: 14

DOI: 10.2174/1573408010666140118002739

Price: $65


Various derivatives of a modified estradiol core bearing a fused γ-lactone were designed as non-estrogenic inhibitors of 17β-hydroxysteroid dehydrogenase type 1 (17β-HSD1). The compounds were synthesized, characterized and tested for their ability to inhibit enzyme activity (transformation of estrone into estradiol). The proliferative (estrogenic) activity of the compounds was also investigated on estrogen-sensitive breast cancer T-47D cells. Interestingly, one of the estradiol derivatives (compound 24) showed a dual action by inhibiting 17β-HSD1 (IC50 = 1.0 µM) and by producing an antiestrogenic effect on T-47D cells.

Keywords: Chemical synthesis, enzyme inhibitor, estrogen, lactone, steroid, 17β-hydroxysteroid dehydrogenase.

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