Design, Synthesis, Pharmacology, and In Silico Studies of (1 S ,2 S ,3 S )-2-(( S )-Amino(carboxy)methyl)-3-(carboxymethyl)cyclopropane-1-carboxylic Acid (LBG30300): A Picomolar Potency Subtype-Selective mGlu 2 Receptor Agonist - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Medicinal Chemistry Année : 2024

Design, Synthesis, Pharmacology, and In Silico Studies of (1 S ,2 S ,3 S )-2-(( S )-Amino(carboxy)methyl)-3-(carboxymethyl)cyclopropane-1-carboxylic Acid (LBG30300): A Picomolar Potency Subtype-Selective mGlu 2 Receptor Agonist

Résumé

Metabotropic glutamate (Glu) receptors (mGlu receptors) play a key role in modulating excitatory neurotransmission in the central nervous system (CNS). In this study, we report the structure-based design and pharmacological evaluation of densely functionalized, conformationally restricted glutamate analogue (1S,2S,3S)-2-((S)-amino(carboxy)methyl)-3-(carboxymethyl)cyclopropane-1-carboxylic acid (LBG30300). LBG30300 was synthesized in a stereocontrolled fashion in nine steps from a commercially available optically active epoxide. Functional characterization of all eight mGlu receptor subtypes showed that LBG30300 is a picomolar agonist at mGlu2 with excellent selectivity over mGlu3 and the other six mGlu receptor subtypes. Bioavailability studies on mice (IV administration) confirm CNS exposure, and an in silico study predicts a binding mode of LBG30300 which induces a flipping of Tyr144 to allow for a salt bridge interaction of the acetate group with Arg271. The Tyr144 residue now prevents Arg271 from interacting with Asp146, which is a residue of differentiation between mGlu2 and mGlu3 and thus could explain the observed subtype selectivity.
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hal-04385775 , version 1 (10-01-2024)

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Na Liu, Floriane Eshak, Fanny Malhaire, Isabelle Brabet, Laurent Prézeau, et al.. Design, Synthesis, Pharmacology, and In Silico Studies of (1 S ,2 S ,3 S )-2-(( S )-Amino(carboxy)methyl)-3-(carboxymethyl)cyclopropane-1-carboxylic Acid (LBG30300): A Picomolar Potency Subtype-Selective mGlu 2 Receptor Agonist. Journal of Medicinal Chemistry, 2024, 67 (2), pp.1314-1326. ⟨10.1021/acs.jmedchem.3c01811⟩. ⟨hal-04385775⟩
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