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Insight into the Structural Features of TSPO: Implications for Drug Development

Abstract : The translocator protein (TSPO), an 18-kDa transmembrane protein primarily found in the outer mitochondrial membrane, is evolutionarily conserved and widely distributed across species. In mammals, TSPO has been described as a key member of a multiprotein complex involved in many putative functions and, over the years, several classes of ligand have been developed to modulate these functions. In this review, we consider the currently available atomic structures of mouse and bacterial TSPO and propose a rationale for the development of new ligands for the protein. We provide a review of TSPO monomeric and oligomeric states and their conformational flexibility, together with ligand-binding site and interaction mechanisms. These data are expected to help considerably the development of high-affinity ligands for TSPO-based therapies or diagnostics.
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https://hal.sorbonne-universite.fr/hal-02499747
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Submitted on : Thursday, July 21, 2022 - 11:45:52 AM
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Jean-Jacques Lacapère, Luminita Duma, Stéphanie Finet, Michael Kassiou, Vassilios Papadopoulos. Insight into the Structural Features of TSPO: Implications for Drug Development. Trends in Pharmacological Sciences, Elsevier, 2020, 41 (2), pp.110-122. ⟨10.1016/j.tips.2019.11.005⟩. ⟨hal-02499747⟩

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