New article "A Selective Ligand for Estrogen Receptor Proteins Discriminates Rapid and Genomic Signaling"
Congratulations to Nikolay Savchuk and Matthew Parker, with the release of the article “A Selective Ligand for Estrogen Receptor Proteins Discriminates Rapid and Genomic Signaling”, in which they co-authored in the Cell Chemical Biology Journal.
Estrogen exerts extensive and diverse effects throughout the body of women. In addition to the classical nuclear estrogen receptors (ERα and ERβ), the G protein-coupled estrogen receptor GPER is an important mediator of estrogen action. Existing ER-targeted therapeutic agents act as GPER agonists. Here, we report the identification of a small molecule, named AB-1, with the previously unidentified activity of high selectivity for binding classical ERs over GPER. AB-1 also possesses a unique functional activity profile as an agonist of transcriptional activity but an antagonist of rapid signaling through ERα. Our results define a class of small molecules that discriminate between the classical ERs and GPER, as well as between modes of signaling within the classical ERs. Such an activity profile, if developed into an ER antagonist, could represent an opportunity for the development of first-in-class nuclear hormone receptor-targeted therapeutics for breast cancer exhibiting reduced acquired and de novo resistance.
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