Subtype-Specific Agonists for NMDA Receptor Glycine Binding Sites

  • Alex R. Maolanon
  • , Rune Risgaard
  • , Shuang Yan Wang
  • , Yoran Snoep
  • , Athanasios Papangelis
  • , Feng Yi
  • , David Holley
  • , Anne F. Barslund
  • , Niels Svenstrup
  • , Kasper B. Hansen
  • , Rasmus P. Clausen

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

A series of analogues based on serine as lead structure were designed, and their agonist activities were evaluated at recombinant NMDA receptor subtypes (GluN1/2A-D) using two-electrode voltage-clamp (TEVC) electrophysiology. Pronounced variation in subunit-selectivity, potency, and agonist efficacy was observed in a manner that was dependent on the GluN2 subunit in the NMDA receptor. In particular, compounds 15a and 16a are potent GluN2C-specific superagonists at the GluN1 subunit with agonist efficacies of 398% and 308% compared to glycine. This study demonstrates that subunit-selectivity among glycine site NMDA receptor agonists can be achieved and suggests that glycine-site agonists can be developed as pharmacological tool compounds to study GluN2C-specific effects in NMDA receptor-mediated neurotransmission.

Original languageEnglish
Pages (from-to)1681-1687
Number of pages7
JournalACS Chemical Neuroscience
Volume8
Issue number8
DOIs
StatePublished - Aug 16 2017

Funding

Funder number
P20GM103546

    Keywords

    • Ionotropic glutamate receptor
    • NMDA
    • d -cycloserine
    • d -serine
    • subtype selectivity
    • superagonist

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