Article ; Online: Design and synthesis of 6-methylpyridin-2-one derivatives as novel and potent GluN2A positive allosteric modulators for the treatment of cognitive impairment.
Bioorganic & medicinal chemistry
2022 Volume 79, Page(s) 117150
Abstract: N-Methyl-D-aspartate receptors (NMDARs) are key regulators of synaptic plasticity in the central nervous system. Potentiation of NMDARs containing GluN2A subunit has been recently recognized as a promising therapeutic approach for neurological disorders. ...
Abstract | N-Methyl-D-aspartate receptors (NMDARs) are key regulators of synaptic plasticity in the central nervous system. Potentiation of NMDARs containing GluN2A subunit has been recently recognized as a promising therapeutic approach for neurological disorders. We identified a novel series of GluN2A positive allosteric modulator (PAM) with a pyridin-2-one scaffold. Initial lead compound 1 was discovered through in silico-based screening of virtual ligands with various monocyclic scaffolds. GluN2A PAM activity was increased by introduction of a methyl group at the 6-position of the pyridin-2-one ring and a cyano group in the side chain. Modification of the aromatic ring led to the identification of potent and brain-penetrant 6-methylpyridin-2-one 17 with a negligible binding activity for α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors (AMPARs). Oral administration of 17 significantly enhanced rat hippocampal long-term potentiation (LTP). Thus, 17 would be a useful in vivo pharmacological tool to investigate complex NMDAR functions for the discovery of therapeutics toward diseases associated with NMDAR dysfunction. |
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MeSH term(s) | Rats ; Animals ; Receptors, N-Methyl-D-Aspartate/metabolism ; Hippocampus/metabolism ; Cognitive Dysfunction/drug therapy ; Cognitive Dysfunction/metabolism |
Chemical Substances | Receptors, N-Methyl-D-Aspartate |
Language | English |
Publishing date | 2022-12-24 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1161284-8 |
ISSN | 1464-3391 ; 0968-0896 |
ISSN (online) | 1464-3391 |
ISSN | 0968-0896 |
DOI | 10.1016/j.bmc.2022.117150 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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