Evidence map›Paper›PMID 12657662›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2003

Neuronal glutamate uptake Contributes to GABA synthesis and inhibitory synaptic strength.

Gregory C Mathews, Jeffrey S Diamond

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers.

0numbers the graph read from it
0cells of the map it votes in
93citing papers in PubMed
4.4field-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

93 citing papers in PubMed, 204 citations in OpenAlex.

  1. Review
  2. Article
  3. Review
  4. Glutamate Spillover Dynamically Strengthens Gabaergic Synaptic Inhibition of the Hypothalamic Paraventricular Nucleus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
    Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Climbing Fiber-Mediated Spillover Transmission to Interneurons Is Regulated by EAAT4.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  12. Review
  13. Bacterial Metabolites of Human Gut Microbiota Correlating with Depression.International journal of molecular sciences · 2020
    Review
  14. Article
  15. Role of Excitatory Amino Acid Carrier 1 (International journal of molecular sciences · 2020
    Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Behavioral and synaptic alterations relevant to obsessive-compulsive disorder in mice with increased EAAT3 expression.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2019
    Article

33 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

2 authors at 2 institutions in 1 country.

Gregory C MathewsSynaptic Physiology Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892-4066, USA.
Jeffrey S Diamond
Johns Hopkins University · USNational Institutes of Health · US

Funding

Dynamics Of Excitatory Synaptic Transmission In The HippocampusZIANS002986 · NINDS · NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE · PI DIAMOND, JEFFREY S · 2009 to 2013
$2.1M
Dynamics Of Excitatory Synaptic Transmission In The HippocampusZ01NS002986 · NINDS · NEUROLOGICAL DISORDERS AND STROKE · PI DIAMOND, JEFFREY S · 2000 to 2008
$808k
6 · The paper itself

Abstract

Neurons must maintain a supply of neurotransmitter in their presynaptic terminals to fill synaptic vesicles. GABA is taken up into inhibitory terminals by transporters or is synthesized from glutamate by glutamic acid decarboxylase. Here we report that glutamate transporters supply GABAergic terminals in the hippocampus with glutamate, which is then used to synthesize GABA for filling synaptic vesicles. Glutamate transporter antagonists reduced IPSC and miniature IPSC (mIPSC) amplitudes, consistent with a reduction in the amount of GABA packaged into each synaptic vesicle. This reduction occurred rapidly and independently of synaptic activity, suggesting that modulation of vesicular GABA content does not require vesicle release and refilling. Raising extracellular glutamate levels increased mIPSC amplitudes by enhancing glutamate uptake and, consequently, GABA synthesis. These results indicate that neuronal glutamate transporters strengthen inhibitory synapses in response to extracellular glutamate. This modulation appears to occur under normal conditions and may constitute a negative feedback mechanism to combat hyperexcitability.

Indexed as

Amino Acid Transport System X-AGAnimalsAspartic AcidElectric StimulationEnzyme InhibitorsExcitatory Amino Acid AntagonistsExcitatory Amino Acid Transporter 2Excitatory Postsynaptic PotentialsFeedback, PhysiologicalGABA AntagonistsGABA-A Receptor Antagonistsgamma-Aminobutyric AcidGlutamic AcidHippocampusIn Vitro TechniquesMembrane Potentials3-hydroxyaspartic acidAmino Acid Transport System X-AGAspartic AcidEnzyme InhibitorsExcitatory Amino Acid AntagonistsExcitatory Amino Acid Transporter 2GABA AntagonistsGABA-A Receptor Antagonistsgamma-Aminobutyric AcidGlutamic Acid

Identifiers

PMID12657662
PMCPMC6742021
OpenAlexW1679634005

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.