Evidence map›Paper›PMID 27232631›Full record

ArticlePLoS computational biology2016

Control of Ca2+ Influx and Calmodulin Activation by SK-Channels in Dendritic Spines.

Thom Griffith, Krasimira Tsaneva-Atanasova, Jack R Mellor

Open access · goldAbstract read
In one paragraph

Article in PLoS computational biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
3.0field-weighted citation impact, top 9% 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

20 citing papers in PubMed, 44 citations in OpenAlex.

  1. GluN2A- and GluN2B-containing pre-synapticPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024
    Article
  2. Nano-organization of synaptic calcium signaling.Biochemical Society transactions · 2024
    Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. APOE4 Affects Basal and NMDAR-Mediated Protein Synthesis in Neurons by Perturbing Calcium Homeostasis.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  8. Stationary CaBiophysical journal · 2021
    Article
  9. Article
  10. Article
  11. Article
  12. Voltage-Independent SK-Channel Dysfunction Causes Neuronal Hyperexcitability in the Hippocampus ofThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2019
    Article
  13. Article
  14. Convergent Metabotropic Signaling Pathways Inhibit SK Channels to Promote Synaptic Plasticity in the Hippocampus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018
    Article
  15. Article
  16. Review
  17. Article
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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

3 authors at 2 institutions in 1 country.

Thom GriffithDepartment of Engineering Mathematics, University of Bristol, Bristol, United Kingdom.
Krasimira Tsaneva-AtanasovaDepartment of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, United Kingdom.
Jack R MellorCentre for Synaptic Plasticity, School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, United Kingdom.
University of Bristol · GBUniversity of Exeter · GB

Funding

Wellcome Trust
6 · The paper itself

Abstract

The key trigger for Hebbian synaptic plasticity is influx of Ca2+ into postsynaptic dendritic spines. The magnitude of [Ca2+] increase caused by NMDA-receptor (NMDAR) and voltage-gated Ca2+ -channel (VGCC) activation is thought to determine both the amplitude and direction of synaptic plasticity by differential activation of Ca2+ -sensitive enzymes such as calmodulin. Ca2+ influx is negatively regulated by Ca2+ -activated K+ channels (SK-channels) which are in turn inhibited by neuromodulators such as acetylcholine. However, the precise mechanisms by which SK-channels control the induction of synaptic plasticity remain unclear. Using a 3-dimensional model of Ca2+ and calmodulin dynamics within an idealised, but biophysically-plausible, dendritic spine, we show that SK-channels regulate calmodulin activation specifically during neuron-firing patterns associated with induction of spike timing-dependent plasticity. SK-channel activation and the subsequent reduction in Ca2+ influx through NMDARs and L-type VGCCs results in an order of magnitude decrease in calmodulin (CaM) activation, providing a mechanism for the effective gating of synaptic plasticity induction. This provides a common mechanism for the regulation of synaptic plasticity by neuromodulators.

Indexed as

Calcium SignalingAnimalsCalcium Channels, L-TypeCalmodulinComputational BiologyDendritic SpinesExcitatory Postsynaptic PotentialsImaging, Three-DimensionalLong-Term PotentiationLong-Term Synaptic DepressionModels, NeurologicalNeuronal PlasticityReceptors, N-Methyl-D-AspartateSmall-Conductance Calcium-Activated Potassium ChannelsCalcium Channels, L-TypeCalmodulinReceptors, N-Methyl-D-AspartateSmall-Conductance Calcium-Activated Potassium Channels

Identifiers

PMID27232631
PMCPMC4883788
OpenAlexW2345447579

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.