Evidence map›Paper›PMID 9236233›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience1997

Differential localization of voltage-dependent calcium channel alpha1 subunits at the human and rat neuromuscular junction.

N C Day, S J Wood, P G Ince, S G Volsen, W Smith, C R Slater, P J Shaw

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

32 citing papers in PubMed, 86 citations in OpenAlex.

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  12. Review: CaThe open neurology journal · 2016
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  14. Revealing of T-type low-voltage activated calcium channels (CaV3) in frog neuromuscular junctions.Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections · 2013
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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

7 authors at 2 institutions in 1 country.

N C DayMRC Neurochemical Pathology Unit, Newcastle General Hospital, Newcastle upon Tyne NE4 6BE, United Kingdom.
S J Wood
P G Ince
S G Volsen
W Smith
C R Slater
P J Shaw
North Tyneside General Hospital · GBNewcastle University · GB

Funding

Wellcome Trust
6 · The paper itself

Abstract

Neurotransmitter release is regulated by voltage-dependent calcium channels (VDCCs) at synapses throughout the nervous system. At the neuromuscular junction (NMJ) electrophysiological and pharmacological studies have identified a major role for P- and/or Q-type VDCCs in controlling acetylcholine release from the nerve terminal. Additional studies have suggested that N-type channels may be involved in neuromuscular transmission. VDCCs consist of pore-forming alpha1 and regulatory beta subunits. In this report, using fluorescence immunocytochemistry, we provide evidence that immunoreactivity to alpha1A, alpha1B, and alpha1E subunits is present at both rat and human adult NMJs. Using control and denervated rat preparations, we have been able to establish that the subunit thought to correspond to P/Q-type channels, alpha1A, is localized presynaptically in discrete puncta that may represent motor nerve terminals. We also demonstrate for the first time that alpha1A and alpha1B (which corresponds to N-type channels) may be localized in axon-associated Schwann cells and, further, that the alpha1B subunit may be present in perisynaptic Schwann cells. In addition, the alpha1E subunit (which may correspond to R/T-type channels) seems to be localized postsynaptically in the muscle fiber membrane and concentrated at the NMJ. The possibility that all three VDCCs at the NMJ are potential targets for circulating autoantibodies in amyotrophic lateral sclerosis is discussed.

Indexed as

Amyotrophic Lateral SclerosisAnimalsAntibody SpecificityCalcium ChannelsFemaleHumansIon Channel GatingMicroscopy, ConfocalMotor NeuronsMuscle DenervationMuscle, SkeletalNeurofilament ProteinsNeuromuscular JunctionRatsRats, WistarSchwann CellsCalcium ChannelsNeurofilament Proteins

Identifiers

PMID9236233
PMCPMC6568369
OpenAlexW1886290309

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.