Evidence map›Paper›PMID 26657943›Full record

ArticleNature communications2015

Presynaptic hyperpolarization induces a fast analogue modulation of spike-evoked transmission mediated by axonal sodium channels.

Sylvain Rama, Mickaël Zbili, Andrzej Bialowas, Laure Fronzaroli-Molinieres, Norbert Ankri, Edmond Carlier, Vincenzo Marra, Dominique Debanne

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

42 citing papers in PubMed, 75 citations in OpenAlex.

  1. Stabilized Ion Selectivity Corrects Activation Drift in Kalium Channelrhodopsins.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
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  10. The computational power of the human brain.Frontiers in cellular neuroscience · 2023
    Review
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  15. Article
  16. Voltage-Gated Potassium Channels Ensure Action Potential Shape Fidelity in Distal Axons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  17. Article
  18. Calcium and Spike Timing-Dependent Plasticity.Frontiers in cellular neuroscience · 2021
    Review
  19. Article
  20. Synaptic plasticity rules with physiological calcium levels.Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article
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

8 authors at 2 institutions in 1 country.

Sylvain RamaINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Mickaël ZbiliINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Andrzej BialowasINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Laure Fronzaroli-MolinieresINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Norbert AnkriINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Edmond CarlierINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Vincenzo MarraINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Dominique DebanneINSERM, UMR_S 1072, Faculté de Médecine Secteur Nord, Boulevard Pierre Dramard, Marseille 13344, France.
Inserm · FRUnité de Neurobiologie des canaux Ioniques et de la Synapse · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the mammalian brain, synaptic transmission usually depends on presynaptic action potentials (APs) in an all-or-none (or digital) manner. Recent studies suggest, however, that subthreshold depolarization in the presynaptic cell facilitates spike-evoked transmission, thus creating an analogue modulation of a digital process (or analogue-digital (AD) modulation). At most synapses, this process is slow and not ideally suited for the fast dynamics of neural networks. We show here that transmission at CA3-CA3 and L5-L5 synapses can be enhanced by brief presynaptic hyperpolarization such as an inhibitory postsynaptic potential (IPSP). Using dual soma-axon patch recordings and live imaging, we find that this hyperpolarization-induced AD facilitation (h-ADF) is due to the recovery from inactivation of Nav channels controlling AP amplitude in the axon. Incorporated in a network model, h-ADF promotes both pyramidal cell synchrony and gamma oscillations. In conclusion, cortical excitatory synapses in local circuits display hyperpolarization-induced facilitation of spike-evoked synaptic transmission that promotes network synchrony.

Indexed as

Presynaptic TerminalsAnimalsAnimals, NewbornAxonsBrainCalciumComputer SimulationFemaleMaleMembrane PotentialsModels, BiologicalNerve NetNeuronsRatsSodium ChannelsCalciumSodium Channels

Identifiers

PMID26657943
PMCPMC4682119
OpenAlexW2202139434

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.