Evidence map›Paper›PMID 9769410›Full record

ArticleThe Journal of physiology1998

Laminar difference in GABA uptake and GAT-1 expression in rat CA1.

D Engel, D Schmitz, T Gloveli, C Frahm, U Heinemann, A Draguhn

Open access · greenAbstract read
In one paragraph

Article in The Journal of physiology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
0.8field-weighted citation impact, top 32% 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

25 citing papers in PubMed, 73 citations in OpenAlex.

  1. Review
  2. Review
  3. Epileptiform activity and spreading depolarization in the blood-brain barrier-disrupted peri-infarct hippocampus are associated with impaired GABAergic inhibition and synaptic plasticity.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2017
    Article
  4. Structure, function, and plasticity of GABA transporters.Frontiers in cellular neuroscience · 2014
    Review
  5. Astrocytes potentiate GABAergic transmission in the thalamic reticular nucleus via endozepine signaling.Proceedings of the National Academy of Sciences of the United States of America · 2013
    Article
  6. Review
  7. Article
  8. A TRP among the astrocytes.The Journal of physiology · 2013
    Review
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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

6 authors at 2 institutions in 1 country.

D EngelInstitut fur Physiologie der Charite, Humboldt-Universitat, Tucholskystrasse 2, 10117 Berlin, Germany. engeldo@comcom.rz.charite.hu-berline.de
D Schmitz
T Gloveli
C Frahm
U Heinemann
A Draguhn
Charité - Universitätsmedizin Berlin · DEHumboldt-Universität zu Berlin · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

1. The axonal plexus of most hippocampal interneurons is restricted to certain strata within the target region. This lamination suggests a possible functional heterogeneity of inhibitory synapses between different interneurons and CA1 pyramidal cells. 2. We therefore compared inhibitory postsynaptic potentials (IPSPs) and currents (IPSCs) in CA1 pyramidal cells, which were evoked from two stimulation sites (stratum oriens and stratum radiatum). Stimulation in stratum oriens yielded faster decaying IPSPs and IPSCs than stimulation in stratum radiatum. 3. IPSP and IPSC kinetics were regulated by GABA uptake in both layers as indicated by the prolongation of the signals under tiagabine, a GAT-1 (neuronal GABA plasma membrane transporter)-specific GABA-uptake blocker. However, the effect of tiagabine was significantly more pronounced following stimulation in stratum radiatum than in stratum oriens (prolongation of IPSC half-decay time by 167 vs. 115 %, respectively). 4. In situ hybridization with antisense mRNA for the GABA-synthesizing enzyme glutamate decarboxylase (GAD65/67) and the GABA transporter GAT-1 showed that the proportion of interneurons expressing GAT-1 was lower in stratum oriens than in stratum radiatum/lacunosum-moleculare. 5. From these functional and molecular data we conclude that the regulation of IPSP and IPSC kinetics in CA1 pyramidal cells by neuronal GABA uptake differs between layers. Our findings suggest that this laminar difference is caused by a lower expression of GAT-1 in interneurons in stratum oriens than in stratum radiatum/lacunosum-moleculare.

Indexed as

Membrane Transport ProteinsOrganic Anion TransportersAnimalsAxonsCarrier ProteinsElectric StimulationExcitatory Postsynaptic PotentialsGABA AntagonistsGABA Plasma Membrane Transport Proteinsgamma-Aminobutyric AcidGlutamate DecarboxylaseHippocampusIn Situ HybridizationInterneuronsKineticsMembrane ProteinsCarrier ProteinsGABA AntagonistsGABA Plasma Membrane Transport Proteinsgamma-Aminobutyric AcidGlutamate DecarboxylaseMembrane ProteinsMembrane Transport ProteinsNipecotic AcidsOrganic Anion TransportersSlc6a1 protein, ratTiagabine

Identifiers

PMID9769410
PMCPMC2231227
OpenAlexW2142619185

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.