Estrogen receptor α (ERα) is a crucial target for ERα positive breast cancer treatment. Previous drug discovery efforts were focused on developing inhibitors that targeted the canonical ligand binding pockets of the ligand binding domain (LBD) of ERα. However, significant percentage of patients developed cancer relapse with drug-resistance. ERα peptidomimetic modulators have been considered as promising treatments for drug resistant breast cancers as they are targeting ERα-coactivator interacting interface instead of the ligand binding pocket of ERα. Herein, we reviewed the recent development of ERα peptidomimetics antagonists.
Keywords: Breast cancer; Estrogen receptor; Inhibitor; Peptidomimetics; Protein-protein interaction.
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