Evidence map›Paper›PMID 24709664›Full record

ArticleNature communications2014

Fragile X mental retardation protein controls synaptic vesicle exocytosis by modulating N-type calcium channel density.

Laurent Ferron, Manuela Nieto-Rostro, John S Cassidy, Annette C Dolphin

Open access · hybridAbstract read
In one paragraph

Article in Nature communications, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 95 papers.

0numbers the graph read from it
0cells of the map it votes in
95citing papers in PubMed
10.3field-weighted citation impact, top 1% 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

95 citing papers in PubMed, 134 citations in OpenAlex.

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35 more citing papers are in PubMed but not listed here.

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 at 1 institution in 1 country.

Laurent FerronDepartment of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London WC1E 6BT, UK.
Manuela Nieto-Rostro1] Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London WC1E 6BT, UK [2].
John S Cassidy1] Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London WC1E 6BT, UK [2].
Annette C DolphinDepartment of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London WC1E 6BT, UK.
University College London · GB

Funding

Medical Research Council MR/J013285/1Wellcome Trust 077883Wellcome Trust 077883/Z/Wellcome Trust 098360
6 · The paper itself

Abstract

Fragile X syndrome (FXS), the most common heritable form of mental retardation, is characterized by synaptic dysfunction. Synaptic transmission depends critically on presynaptic calcium entry via voltage-gated calcium (Ca(V)) channels. Here we show that the functional expression of neuronal N-type Ca(V) channels (Ca(V)2.2) is regulated by fragile X mental retardation protein (FMRP). We find that FMRP knockdown in dorsal root ganglion neurons increases Ca(V) channel density in somata and in presynaptic terminals. We then show that FMRP controls Ca(V)2.2 surface expression by targeting the channels to the proteasome for degradation. The interaction between FMRP and Ca(V)2.2 occurs between the carboxy-terminal domain of FMRP and domains of Ca(V)2.2 known to interact with the neurotransmitter release machinery. Finally, we show that FMRP controls synaptic exocytosis via Ca(V)2.2 channels. Our data indicate that FMRP is a potent regulator of presynaptic activity, and its loss is likely to contribute to synaptic dysfunction in FXS.

Indexed as

AnimalsCalciumCalcium Channels, N-TypeCell LineExocytosisFragile X Messenger Ribonucleoprotein 1HumansMiceNeuronsPatch-Clamp TechniquesRatsSynaptic TransmissionSynaptic VesiclesCalciumCalcium Channels, N-TypeFragile X Messenger Ribonucleoprotein 1

Identifiers

PMID24709664
PMCPMC3982139
OpenAlexW2133560125

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.