Evidence map›Paper›PMID 9192298›Full record

ArticleThe Journal of physiology1997

Simultaneous measurement of intracellular Ca2+ and asynchronous transmitter release from the same crayfish bouton.

R Ravin, M E Spira, H Parnas, I Parnas

Abstract read
In one paragraph

Article in The Journal of physiology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
–field-weighted citation impact
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

36 citing papers in PubMed.

  1. Article
  2. An alien divalent ion reveals a major role for Ca²⁺ buffering in controlling slow transmitter release.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014
    Article
  3. Review
  4. Article
  5. Article
  6. Review
  7. Article
  8. Molecular mechanisms that control initiation and termination of physiological depolarization-evoked transmitter release.Proceedings of the National Academy of Sciences of the United States of America · 2008
    Article
  9. Article
  10. Integration of asynchronously released quanta prolongs the postsynaptic spike window.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2007
    Article
  11. Article
  12. Article
  13. Calcium sensitivity of neurotransmitter release differs at phasic and tonic synapses.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2005
    Article
  14. Frequency-dependent modulation of retinogeniculate transmission by serotonin.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2004
    Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Ca2+-independent feedback inhibition of acetylcholine release in frog neuromuscular junction.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2002
    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

4 authors.

R RavinOtto Loewi Centre for Cellular and Molecular Neurobiology, Department of Neurobiology, Hebrew University, Jerusalem, Israel.
M E Spira
H Parnas
I Parnas

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

1. A technique has been developed to monitor neurotransmitter release simultaneously with intracellular Ca2+ concentration ([Ca2+]i) in single release boutons whose diameters range from 3 to 5 microns. 2. Using this technique, we have found a highly non-linear relationship between the rate of asynchronous release and [Ca2+]i. The Hill coefficient lies between 3 and 4. 3. The affinity (Kd) of the putative release-related Ca2+ receptor for asynchronous release was calculated to be in the range of 2-4 microM. 4. The same range of values of Hill coefficient and Kd were obtained when [Ca2+]i was elevated both by bath application of ionomycin and by repetitive stimulation at high frequency. 5. Our results show that the Ca2+ receptor(s) associated with asynchronous release exhibits high affinity for Ca2+.

Indexed as

AnimalsAstacoideaCalciumCalibrationElectric StimulationFluorescent DyesFura-2Image Processing, Computer-AssistedIn Vitro TechniquesKineticsMusclesNeuronsNeurotransmitter AgentsSynapses2-(2-(5-carboxy)oxazole)-5-hydroxy-6-aminobenzofuran-N,N,O-triacetic acidCalciumFluorescent DyesFura-2Neurotransmitter Agents

Identifiers

PMID9192298
PMCPMC1159474

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.