Evidence map›Paper›PMID 10341236›Full record

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

Calcium-induced calcium release contributes to action potential-evoked calcium transients in hippocampal CA1 pyramidal neurons.

V M Sandler, J G Barbara

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 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
3.3field-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

42 citing papers in PubMed, 102 citations in OpenAlex.

  1. Article
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  4. Highly spatial-temporal electrochemical profiling of molecules trafficking at a single mitochondrion in one living cell.Proceedings of the National Academy of Sciences of the United States of America · 2025
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  5. Review
  6. All-optical mapping of CaCell calcium · 2025
    Article
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  13. Intracellular Calcium Responses Encode Action Potential Firing in Spinal Cord Lamina I Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020
    Article
  14. Article
  15. Article
  16. Organelle-Specific Sensors for Monitoring CaFrontiers in synaptic neuroscience · 2016
    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

2 authors at 1 institution in 1 country.

V M SandlerNew York Medical College, Department of Physiology, Valhalla, New York 10595, USA.
J G Barbara
New York Medical College · US

Funding

OPTICAL ANALYSIS OF THE REGIONAL PROPERTIES OF NEURONSR01NS016295 · NINDS · NEW YORK MEDICAL COLLEGE · PI ROSS, WILLIAM NOEL · 1986 to 2011
$3.1M
Calcium Waves in Pyramidal NeuronsR56NS016295 · NINDS · NEW YORK MEDICAL COLLEGE · PI ROSS, WILLIAM NOEL · 2009 to 2009
$374k
NINDS NIH HHS NS16295NINDS NIH HHS R01 NS016295NINDS NIH HHS R56 NS016295
6 · The paper itself

Abstract

Calcium-induced calcium release (CICR) is a mechanism by which local elevations of intracellular calcium (Ca2+) are amplified by Ca2+ release from ryanodine-sensitive Ca2+ stores. CICR is known to be coupled to Ca2+ entry in skeletal muscle, cardiac muscle, and peripheral neurons, but no evidence suggests that such coupling occurs in central neurons during the firing of action potentials. Using fast Ca2+ imaging in CA1 neurons from hippocampal slices, we found evidence for CICR during action potential-evoked Ca2+ transients. A low concentration of caffeine enhanced Ca2+ transient amplitude, whereas a higher concentration reduced it. Simultaneous Ca2+ imaging and whole-cell recordings showed that membrane potential, action potential amplitude, and waveform were unchanged during caffeine application. The enhancement of Ca2+ transients by caffeine was not affected by the L-type channel blocker nifedipine, the phosphodiesterase inhibitor IBMX, the adenylyl cyclase activator forskolin, or the PKA antagonist H-89. However, thapsigargin or ryanodine, which both empty intracellular Ca2+ stores, occluded this effect. In addition, thapsigargin, ryanodine, and cyclopiazonic acid reduced action potential-evoked Ca2+ transients in the absence of caffeine. These results suggest that Ca2+ release from ryanodine-sensitive stores contributes to Ca2+ signals triggered by action potentials in CA1 neurons.

Indexed as

Action PotentialsAnimalsCaffeineCalciumFluorescent DyesFura-2In Vitro TechniquesOptics and PhotonicsPatch-Clamp TechniquesPhosphodiesterase InhibitorsPhosphorylationPyramidal CellsRatsRats, Sprague-DawleyRyanodineSignal TransductionCaffeineCalciumFluorescent DyesFura-2fura-2-amPhosphodiesterase InhibitorsRyanodine

Identifiers

PMID10341236
PMCPMC6782593
OpenAlexW1897203750

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.