Evidence map›Paper›PMID 27618672›Full record

ArticleNeuron2016

Structural Bases of Noncompetitive Inhibition of AMPA-Subtype Ionotropic Glutamate Receptors by Antiepileptic Drugs.

Maria V Yelshanskaya, Appu K Singh, Jared M Sampson, Chamali Narangoda, Maria Kurnikova, Alexander I Sobolevsky

Open access · bronzeAbstract read
In one paragraph

Article in Neuron, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 80 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed, 1 pooled it
7.9field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

80 citing papers in PubMed, 1 synthesis or guideline pooled it, 129 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Article
  6. Robust PHP in Adult Hippocampus: Essential Assay Optimizations.bioRxiv : the preprint server for biology · 2026
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Activation of kainate receptor GluK2-Neto2 complex.Nature structural & molecular biology · 2025
    Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Structure and gating of kainate receptors.Frontiers in pharmacology · 2025
    Review
  18. Article
  19. Allosteric competition and inhibition in AMPA receptors.Nature structural & molecular biology · 2024
    Article
  20. Temperature Sensitive Glutamate Gating of AMPA-subtype iGluRs.bioRxiv : the preprint server for biology · 2024
    Article

20 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Maria V YelshanskayaDepartment of Biochemistry and Molecular Biophysics, Columbia University, 650 West 168(th) Street, New York, NY 10032, USA.
Appu K SinghDepartment of Biochemistry and Molecular Biophysics, Columbia University, 650 West 168(th) Street, New York, NY 10032, USA.
Jared M SampsonDepartment of Biochemistry and Molecular Biophysics, Columbia University, 650 West 168(th) Street, New York, NY 10032, USA.
Chamali NarangodaChemistry Department, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA.
Maria KurnikovaChemistry Department, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA.
Alexander I SobolevskyDepartment of Biochemistry and Molecular Biophysics, Columbia University, 650 West 168(th) Street, New York, NY 10032, USA. Electronic address: as4005@cumc.columbia.edu.
Columbia University · USCarnegie Mellon University · US

Funding

TRAINING IN CELLULAR, MOLECULAR AND BIOPHYSICAL STUDIEST32GM008224 · NIGMS · COLUMBIA UNIV NEW YORK MORNINGSIDE · PI LIEM, RONALD K. · 1987 to 2021
$9.9M
Structure and Function of AMPA subtype ionotropic glutamate receptorsR01NS083660 · NINDS · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI KURNIKOVA, MARIA G, SOBOLEVSKY, ALEXANDER · 2013 to 2022
$4.3M
NIGMS NIH HHS T32 GM008224NINDS NIH HHS R01 NS083660
6 · The paper itself

Abstract

Excitatory neurotransmission plays a key role in epileptogenesis. Correspondingly, AMPA-subtype ionotropic glutamate receptors, which mediate the majority of excitatory neurotransmission and contribute to seizure generation and spread, have emerged as promising targets for epilepsy therapy. The most potent and well-tolerated AMPA receptor inhibitors act via a noncompetitive mechanism, but many of them produce adverse side effects. The design of better drugs is hampered by the lack of a structural understanding of noncompetitive inhibition. Here, we report crystal structures of the rat AMPA-subtype GluA2 receptor in complex with three noncompetitive inhibitors. The inhibitors bind to a novel binding site, completely conserved between rat and human, at the interface between the ion channel and linkers connecting it to the ligand-binding domains. We propose that the inhibitors stabilize the AMPA receptor closed state by acting as wedges between the transmembrane segments, thereby preventing gating rearrangements that are necessary for ion channel opening.

Indexed as

AnimalsAnticonvulsantsBenzodiazepinesBinding SitesCrystallizationMolecular Docking SimulationNitrilesPyridonesQuinazolinesRatsReceptors, AMPAAnticonvulsantsBenzodiazepinesCP 465,022glutamate receptor ionotropic, AMPA 2GYKI 53655NitrilesperampanelPyridonesQuinazolinesReceptors, AMPA

Identifiers

PMID27618672
PMCPMC5033713
OpenAlexW2520124487

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.