Evidence map›Paper›PMID 25365226›Full record

ArticleThe Journal of clinical investigation2014

Sustained increase in α5GABAA receptor function impairs memory after anesthesia.

Agnieszka A Zurek, Jieying Yu, Dian-Shi Wang, Sean C Haffey, Erica M Bridgwater, Antonello Penna, Irene Lecker, Gang Lei, Tom Chang, Eric W R Salter and 1 more

Abstract read
In one paragraph

Article in The Journal of clinical investigation, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
91citing papers in PubMed, 1 pooled it
5.7field-weighted citation impact, top 3% 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

91 citing papers in PubMed, 1 synthesis or guideline pooled it, 178 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. The role of GABANeuroscience and biobehavioral reviews · 2026
    Review
  5. Article
  6. Article
  7. Article
  8. Review
  9. Review
  10. Restoration of Extrasynaptic/Synaptic GABANeuroscience bulletin · 2026
    Article
  11. Review
  12. Review
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. GABA system as the cause and effect in early development.Neuroscience and biobehavioral reviews · 2024
    Review
  20. Article

31 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

11 authors at 1 institution in 1 country.

Agnieszka A Zurek
Jieying Yu
Dian-Shi Wang
Sean C Haffey
Erica M Bridgwater
Antonello Penna
Irene Lecker
Gang Lei
Tom Chang
Eric W R Salter
Beverley A Orser
Health Sciences Centre · CA

Funding

Canadian Institutes of Health Research 38028Canadian Institutes of Health Research 79428
6 · The paper itself

Abstract

Many patients who undergo general anesthesia and surgery experience cognitive dysfunction, particularly memory deficits that can persist for days to months. The mechanisms underlying this postoperative cognitive dysfunction in the adult brain remain poorly understood. Depression of brain function during anesthesia is attributed primarily to increased activity of γ-aminobutyric acid type A receptors (GABA(A)Rs), and it is assumed that once the anesthetic drug is eliminated, the activity of GABA(A)Rs rapidly returns to baseline and these receptors no longer impair memory. Here, using a murine model, we found that a single in vivo treatment with the injectable anesthetic etomidate increased a tonic inhibitory current generated by α5 subunit-containing GABA(A)Rs (α5GABA(A)Rs) and cell-surface expression of α5GABA(A)Rs for at least 1 week. The sustained increase in α5GABA(A)R activity impaired memory performance and synaptic plasticity in the hippocampus. Inhibition of α5GABA(A)Rs completely reversed the memory deficits after anesthesia. Similarly, the inhaled anesthetic isoflurane triggered a persistent increase in tonic current and cell-surface expression of α5GABA(A)Rs. Thus, α5GABA(A)R function does not return to baseline after the anesthetic is eliminated, suggesting a mechanism to account for persistent memory deficits after general anesthesia.

Indexed as

Anesthesia, GeneralAnesthetics, InhalationAnimalsCognition DisordersDisease Models, AnimalGene Expression RegulationHippocampusIsofluraneMemory DisordersMiceMice, KnockoutReceptors, GABA-ATime FactorsAnesthetics, InhalationGabra5 protein, mouseIsofluraneReceptors, GABA-A

Identifiers

PMID25365226
PMCPMC4348961
OpenAlexW2059923501

What OpenQuestion holds

Textmetadata
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.