title: Diverse modes of NMDA receptor positive allosteric modulation: Mechanisms and consequences.
abstract: NMDA Receptors (NMDARs) play key roles in synaptic physiology and NMDAR hypofunction has been implicated in various neurological conditions. In recent years an increasing number of positive allosteric modulators (PAMs) of NMDARs have been discovered and characterized. These diverse PAM classes vary not only in their binding sites and GluN2 subunit selectivity profiles, but also in the nature of their impacts on channel function. Major differences exist in the degree of slowing of channel deactivation and shifting of apparent agonist affinity between different classes of PAMs. Here we review the diverse modes of potentiation by the currently known classes of NMDAR PAMs and discuss the potential consequences of different types of potentiation in terms of desirable and undesirable effects on brain function. This article is part of the Special Issue entitled 'Ionotropic glutamate receptors'.
authors.affiliation: Department of Neuroscience, 1 DNA Way, South San Francisco, CA 94080, United States. Electronic address: hackos.david@gene.com.
authors.forename: David H
authors.initials: DH
authors.lastname: Hackos
authors.affiliation: Department of Neuroscience, 1 DNA Way, South San Francisco, CA 94080, United States. Electronic address: hanson.jesse@gene.com.
authors.forename: Jesse E
authors.initials: JE
authors.lastname: Hanson
mesh_terms: D000494:Allosteric Regulation; D000818:Animals; D001665:Binding Sites; D001921:Brain / Q000378:metabolism / Q000502:physiology*; D018683:Excitatory Amino Acid Agents / Q000494:pharmacology*; D006801:Humans; D008024:Ligands; D009474:Neurons / Q000378:metabolism / Q000502:physiology*; D011485:Protein Binding; D017434:Protein Structure, Tertiary; D021122:Protein Subunits / Q000737:chemistry / Q000502:physiology; D016194:Receptors, N-Methyl-D-Aspartate / Q000819:agonists* / Q000737:chemistry / Q000378:metabolism / Q000502:physiology*; D013569:Synapses / Q000378:metabolism / Q000502:physiology*
chemical_list: D018683:Excitatory Amino Acid Agents; D008024:Ligands; D021122:Protein Subunits; D016194:Receptors, N-Methyl-D-Aspartate
keywords: CIQ; GNE-6901; GNE-8324; PYD-106; Pregnenolone; SGE201; SGE301; Schizophrenia; Spermine; TCN-201