Evidence map›Paper›PMID 22962589›Full record

ArticlePloS one2012

Calcium input frequency, duration and amplitude differentially modulate the relative activation of calcineurin and CaMKII.

Lu Li, Melanie I Stefan, Nicolas Le Novère

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed
3.5field-weighted citation impact, top 6% 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

58 citing papers in PubMed, 125 citations in OpenAlex.

  1. Review
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  5. Article
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  10. Targeting mitochondrial CaThe Journal of physiology · 2024
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  11. Targeting EB3-IPAmerican journal of respiratory cell and molecular biology · 2023
    Article
  12. Review
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  16. Review
  17. Review
  18. Article
  19. Article
  20. Molecular and circuit mechanisms regulating cocaine memory.Cellular and molecular life sciences : CMLS · 2020
    Review
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 1 institution in 1 country.

Lu LiEMBL European Bioinformatics Institute, Hinxton, United Kingdom.
Melanie I Stefan
Nicolas Le Novère
European Bioinformatics Institute · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

NMDA receptor dependent long-term potentiation (LTP) and long-term depression (LTD) are two prominent forms of synaptic plasticity, both of which are triggered by post-synaptic calcium elevation. To understand how calcium selectively stimulates two opposing processes, we developed a detailed computational model and performed simulations with different calcium input frequencies, amplitudes, and durations. We show that with a total amount of calcium ions kept constant, high frequencies of calcium pulses stimulate calmodulin more efficiently. Calcium input activates both calcineurin and Ca(2+)/calmodulin-dependent protein kinase II (CaMKII) at all frequencies, but increased frequencies shift the relative activation from calcineurin to CaMKII. Irrespective of amplitude and duration of the inputs, the total amount of calcium ions injected adjusts the sensitivity of the system to calcium input frequencies. At a given frequency, the quantity of CaMKII activated is proportional to the total amount of calcium. Thus, an input of a small amount of calcium at high frequencies can induce the same activation of CaMKII as a larger amount, at lower frequencies. Finally, the extent of activation of CaMKII signals with high calcium frequency is further controlled by other factors, including the availability of calmodulin, and by the potency of phosphatase inhibitors.

Indexed as

Calcium SignalingModels, MolecularAnimalsCalcineurinCalciumCalcium-Calmodulin-Dependent Protein Kinase Type 2Computer SimulationEnzyme ActivationHippocampusHumansNeuronal PlasticityNeuronsReceptors, N-Methyl-D-AspartateSynaptic TransmissionCalcineurinCalciumCalcium-Calmodulin-Dependent Protein Kinase Type 2Receptors, N-Methyl-D-Aspartate

Identifiers

PMID22962589
PMCPMC3433481
OpenAlexW2131619332

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.