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Cited by 119Neuroscience and Neuropharmacology ResearchAmino Acid Enzymes and MetabolismNicotinic Acetylcholine Receptors Study

The DOI matches its Crossref record; 59 of the 59 references it cites were found in a registry or an index.

GluN2D-Containing N-methyl-d-Aspartate Receptors Mediate Synaptic Transmission in Hippocampal Interneurons and Regulate Interneuron Activity

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Perszyk, Riley E., DiRaddo, John O., Strong, Katie L., Low, Chian-Ming, Ogden, Kevin K., Khatri, Alpa, Vargish, Geoffrey A., Pelkey, Kenneth A., Tricoire, Ludovic, Liotta, Dennis C., Smith, Yoland, McBain, Chris J., Traynelis, Stephen F.·2016·Molecular Pharmacology
DOI 10.1124/mol.116.105130PMC PMC5118640
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Abstract

N-methyl-d-aspartate receptors (NMDARs) are ionotropic glutamatergic receptors that have been implicated in learning, development, and neuropathological conditions. They are typically composed of GluN1 and GluN2A-D subunits. Whereas a great deal is known about the role of GluN2A- and GluN2B-containing NMDARs, much less is known about GluN2D-containing NMDARs. Here we explore the subunit composition of synaptic NMDARs on hippocampal interneurons. GluN2D mRNA was detected by single-cell PCR and in situ hybridization in diverse interneuron subtypes in the CA1 region of the hippocampus. The GluN2D subunit was detectable by immunoblotting and immunohistochemistry in all subfields of the hippocampus in young and adult mice. In whole-cell patch-clamp recordings from acute hippocampal slices, (+)-CIQ, the active enantiomer of the positive allosteric modulator CIQ, significantly enhanced the amplitude of the NMDAR component of miniature excitatory postsynaptic currents (mEPSCs) in CA1 interneurons but not in pyramidal cells. (+)-CIQ had no effect in slices from Grin2d-/- mice, suggesting that GluN2D-containing NMDARs participate in excitatory synaptic transmission onto hippocampal interneurons. The time course of the NMDAR component of the mEPSC was unaffected by (+)-CIQ potentiation and was not accelerated in slices from Grin2d-/- mice compared with wild-type, suggesting that GluN2D does not detectably slow the NMDAR EPSC time course at this age. (+)-CIQ increased the activity of CA1 interneurons as detected by the rate and net charge transfer of spontaneous inhibitory postsynaptic currents (sIPSCs) recorded from CA1 pyramidal cells. These data provide evidence that interneurons contain synaptic NMDARs possessing a GluN2D subunit, which can influence interneuron function and signal processing.

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Authors
Perszyk, R. E., DiRaddo, J. O., Strong, K. L., Low, C.-M., Ogden, K. K., Khatri, A., Vargish, G. A., Pelkey, K. A., Tricoire, L., Liotta, D. C., Smith, Y., McBain, C. J., & Traynelis, S. F.
Affiliations
National Institutes of Health (US)
ORCID
Venue
Molecular Pharmacology
Publisher
Elsevier BV
Published
2016-12
Volume
90
Issue
6
Pages
689-702
ISSN
0026-895X (ISSN-L)
DOI
10.1124/mol.116.105130
PMC
PMC5118640
OpenAlex
W2548997185
Cited by
116
References
59
Citations by year
2026: 12 · 2025: 14 · 2024: 9 · 2023: 11 · 2022: 11 · 2021: 13 · 2020: 15 · 2019: 13 · 2018: 9 · 2017: 8 · 2016: 1
FWCI
5.98
Type
journal article
Language
en
Open access
Licence
Locations
  • Molecular Pharmacology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • University of Florida
  • National Institutes of Health (P51OD011132)
  • National Institute of General Medical Sciences (T32GM008602)
  • National Institute of Neurological Disorders and Stroke (R01NS065371, R01NS036654)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Amino Acid Enzymes and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
GluN2D, NMDA receptor, hippocampal interneurons, synaptic transmission, positive allosteric modulation, miniature excitatory postsynaptic currents, spontaneous inhibitory postsynaptic currents, CA1, glutamatergic synapses
MeSH terms
Allosteric Regulation, Animals, Hippocampus, Interneurons, Isoquinolines, Mice, Inbred C57BL, Synaptic Transmission, RNA, Messenger, Stereoisomerism, Time Factors, Xenopus laevis, Ion Channel Gating, Receptors, N-Methyl-D-Aspartate, Excitatory Postsynaptic Potentials, Rats, CA1 Region, Hippocampal, Real-Time Polymerase Chain Reaction

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