Potent estrogen receptor β agonists with inhibitory activity in vitro, fail to suppress xenografts of endocrine-resistant cyclin-dependent kinase 4/6 inhibitor-resistant breast cancer cells
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Objective: Seventy percent of newly diagnosed breast cancers are estrogen receptor-α positive and HER2/neu negative. First-line treatments incorporate endocrine therapy and cyclin-dependent kinase 4/6 inhibitors. However, therap... ...