Evidence map›Paper›PMID 9880588›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience1999

Modulation of synaptic GABAA receptor function by PKA and PKC in adult hippocampal neurons.

P Poisbeau, M C Cheney, M D Browning, I Mody

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers.

0numbers the graph read from it
0cells of the map it votes in
76citing 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

76 citing papers in PubMed, 193 citations in OpenAlex.

  1. Article
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  7. Article
  8. Salicylate Induced GABAAR Internalization by Dopamine D1-Like Receptors Involving Protein Kinase C (PKC) in Spiral Ganglion Neurons.Medical science monitor : international medical journal of experimental and clinical research · 2021
    Article
  9. Electrophysiology of ionotropic GABA receptors.Cellular and molecular life sciences : CMLS · 2021
    Review
  10. Physiological role for GABANature communications · 2021
    Article
  11. Article
  12. Article
  13. Mechanisms of GABAScientific reports · 2019
    Article
  14. Feature Article: Selective modulation of tonically active GABAExperimental biology and medicine (Maywood, N.J.) · 2018
    Article
  15. Review
  16. The Neuropeptide Orexin-A Inhibits the GABAJournal of molecular neuroscience : MN · 2017
    Article
  17. Article
  18. Article
  19. Article
  20. Article

16 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

4 authors at 3 institutions in 3 countries.

P PoisbeauLaboratoire de Neurophysiologie Cellulaire et Intégrée, Centre National de la Recherche Scientifique UMR 7519, Université Louis Pasteur, 67084 Strasbourg, France.
M C Cheney
M D Browning
I Mody
University of California, Los Angeles · USUniversité de Strasbourg · FRUniversity of Colorado Denver · US

Funding

ENDOGENOUS GABAERGIC ACTIVITY IN THE MAMMALIAN BRAINR01NS030549 · NINDS · UNIVERSITY OF TEXAS SW MED CTR/DALLAS · PI MODY, ISTVAN · 1992 to 2018
$4.5M
Endogenous GABAergic ActivityR37NS030549 · NINDS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI MODY, ISTVAN · 2001 to 2007
$2.7M
NINDS NIH HHS NS-30549NINDS NIH HHS R01 NS030549NINDS NIH HHS R37 NS030549
6 · The paper itself

Abstract

Several protein kinases are known to phosphorylate Ser/Thr residues of certain GABAA receptor subunits. Yet, the effect of phosphorylation on GABAA receptor function in neurons remains controversial, and the functional consequences of phosphorylating synaptic GABAA receptors of adult CNS neurons are poorly understood. We used whole-cell patch-clamp recordings of GABAA receptor-mediated miniature IPSCs (mIPSCs) in CA1 pyramidal neurons and dentate gyrus granule cells (GCs) of adult rat hippocampal slices to determine the effects of cAMP-dependent protein kinase (PKA) and Ca2+/phospholipid-dependent protein kinase (PKC) activation on the function of synaptic GABAA receptors. The mIPSCs recorded in CA1 pyramidal cells and in GCs were differentially affected by PKA and PKC. In pyramidal cells, PKA reduced mIPSC amplitudes and enhanced the fraction of events decaying with a double exponential, whereas PKC was without effect. In contrast, in GCs PKA was ineffective, but PKC increased the peak amplitude of mIPSCs and also favored double exponential decays. Intracellular perfusion of the phosphatase inhibitor microcystin revealed that synaptic GABAA receptors of pyramidal cells, but not those of GCs, are continually phosphorylated by PKA and conversely, dephosphorylated, most likely by phosphatase 1 or 2A. This differential, brain region-specific phosphorylation of GABAA receptors may produce a wide dynamic range of inhibitory synaptic strength in these two regions of the hippocampal formation.

Indexed as

AnimalsCyclic AMP-Dependent Protein KinasesDentate GyrusElectric StimulationEnzyme InhibitorsEvoked PotentialsHippocampusIntracellular FluidIn Vitro TechniquesMicrocystinsNeuronsPatch-Clamp TechniquesPeptides, CyclicPhosphorylationProtein Kinase CPyramidal CellsCyclic AMP-Dependent Protein KinasesEnzyme InhibitorsmicrocystinMicrocystinsPeptides, CyclicProtein Kinase CReceptors, GABA-A

Identifiers

PMID9880588
PMCPMC6782188
OpenAlexW1672480124

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.