Evidence map›Paper›PMID 22371047›Full record

ArticleMolecular psychiatry2013

Dysfunctional astrocytic regulation of glutamate transmission in a rat model of depression.

M Gómez-Galán, D De Bundel, A Van Eeckhaut, I Smolders, M Lindskog

Abstract read
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In one paragraph

Article in Molecular psychiatry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed
4.5field-weighted citation impact, top 4% 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

57 citing papers in PubMed, 117 citations in OpenAlex.

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  15. The effect of ketamine on synaptic mistuning induced by impaired glutamate reuptake.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2023
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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

5 authors at 2 institutions in 2 countries.

M Gómez-GalánDepartment of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
D De Bundel
A Van Eeckhaut
I Smolders
M Lindskog
Karolinska Institutet · SEVrije Universiteit Brussel · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Depression is usually associated with alterations in the monoaminergic system. However, new evidences suggest the involvement of the glutamatergic system in the aetiology of depression. Here we explored the glutamatergic system in a rat model of depression (i.e., the flinders sensitive line (FSL)) to reveal the mechanism underlying the emotional and cognitive aspects associated with the disease. We showed a dramatically elevated level of baseline glutamatergic synaptic transmission by whole-cell recordings as well as impairment in long-term potentiation induced by high-frequency stimulation in hippocampal slices from FSL rats compared with Sprague-Dawley rats. At behavioural level, FSL rats displayed recognition memory impairment in the novel object recognition test. Enantioselective chromatography analysis revealed lower levels of D-serine in the hippocampus of FSL rats and both synaptic plasticity and memory impairments were restored by administration of D-serine. We also observed dysfunctional astrocytic glutamate regulation including downregulation of the glia glutamate transporter GLAST as shown by western blot. One possibility is that the dysfunctional astrocytic glutamate reuptake triggers a succession of events, including the reduction of D-serine production as a safety mechanism to avoid NMDA receptor overactivation, which in turn causes the synaptic plasticity and memory impairments observed. These findings open up new brain targets for the development of more potent and efficient antidepressant drugs.

Indexed as

AnimalsAstrocytesDepressionDisease Models, AnimalExcitatory Amino Acid AgentsExcitatory Postsynaptic PotentialsGlutamate Plasma Membrane Transport ProteinsGlutamic AcidHippocampusHumansIn Vitro TechniquesMaleNerve Tissue ProteinsPatch-Clamp TechniquesPyramidal CellsRatsExcitatory Amino Acid AgentsGlutamate Plasma Membrane Transport ProteinsGlutamic AcidNerve Tissue ProteinsReceptors, GlutamateSerineSodium Channel BlockersTetrodotoxin

Identifiers

PMID22371047
OpenAlexW2058745128

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.