Eckardt Treuter

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About

Eckardt Treuter is a leading structural biologist whose research illuminates the molecular mechanisms of nuclear receptor signaling, with a particular focus on estrogen receptors (ERs) and their coregulators. His major contributions center on understanding how antagonist-bound ERs recruit transcriptional corepressors—a process critical for the tissue-specific effects of breast cancer therapies like tamoxifen. In his highly cited 2007 study (80 citations), Treuter and colleagues solved the crystal structures of affinity-selected peptides in complex with antagonist-bound ERα, providing the first direct structural evidence for corepressor recognition. This work revealed how specific conformational changes in the ER ligand-binding domain create a docking surface for corepressors, offering a molecular blueprint for designing improved selective estrogen receptor modulators (SERMs). Treuter’s research has profound implications for endocrinology and cancer biology, bridging structural biology with therapeutic development. His findings have been instrumental in explaining why ER antagonists can act as agonists in certain tissues, a phenomenon that underpins both drug efficacy and side effects. Through his precise structural analyses, Treuter continues to shape our understanding of hormone-dependent gene regulation and nuclear receptor pharmacology.