Multiple roles of GluN2D-containing NMDA receptors in short-term potentiation and long-term potentiation in mouse hippocampal slices.
GluN2D knockout mice
Hippocampus
LTP
Long-term potentiation
STP
Short-term potentiation
Journal
Neuropharmacology
ISSN: 1873-7064
Titre abrégé: Neuropharmacology
Pays: England
ID NLM: 0236217
Informations de publication
Date de publication:
15 12 2021
15 12 2021
Historique:
received:
05
08
2021
revised:
28
09
2021
accepted:
07
10
2021
pubmed:
13
10
2021
medline:
30
3
2022
entrez:
12
10
2021
Statut:
ppublish
Résumé
The GluN2 subunits of N-methyl-d-aspartate receptors (NMDARs) are key drivers of synaptic plasticity in the brain, where the particular GluN2 composition endows the NMDAR complex with distinct pharmacological and physiological properties. Compared to GluN2A and GluN2B subunits, far less is known about the role of the GluN2D subunit in synaptic plasticity. In this study, we have used a GluN2C/2D selective competitive antagonist, UBP145, in combination with a GluN2D global knockout (GluN2D KO) mouse line to study the contribution of GluN2D-containing NMDARs to short-term potentiation (STP) and long-term potentiation (LTP) in the CA1 region of mouse hippocampal slices. We made several distinct observations: First, GluN2D KO mice have higher levels of LTP compared to wild-type (WT) mice, an effect that was occluded by blockade of GABA receptor-mediated inhibition or by using a strong LTP induction protocol. Second, UBP145 partially inhibited LTP in WT but not GluN2D KO mice. Third, UBP145 inhibited a component of STP, termed STP2, in WT but not GluN2D KO mice. Taken together, these findings suggest an involvement for GluN2D-containing NMDARs in both STP and LTP in mouse hippocampus.
Identifiants
pubmed: 34637787
pii: S0028-3908(21)00388-9
doi: 10.1016/j.neuropharm.2021.108833
pmc: PMC8607330
pii:
doi:
Substances chimiques
Grin2d protein, mouse
0
Receptors, GABA
0
Receptors, N-Methyl-D-Aspartate
0
GluN2C-2D antagonist UBP145
0
Phenanthrenes
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
108833Subventions
Organisme : CIHR
ID : 154276
Pays : Canada
Organisme : Medical Research Council
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
Pays : United Kingdom
Informations de copyright
Copyright © 2021 The Authors. Published by Elsevier Ltd.. All rights reserved.
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