Evidence map›Paper›PMID 25264250›Full record

ArticleCurrent biology : CB2014

α-synuclein multimers cluster synaptic vesicles and attenuate recycling.

Lina Wang, Utpal Das, David A Scott, Yong Tang, Pamela J McLean, Subhojit Roy

Open access · bronzeAbstract read
In one paragraph

Article in Current biology : CB, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 181 papers.

0numbers the graph read from it
0cells of the map it votes in
181citing papers in PubMed
13.0field-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

181 citing papers in PubMed, 275 citations in OpenAlex.

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121 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

6 authors at 3 institutions in 2 countries.

Lina WangDepartment of Pathology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
Utpal DasDepartment of Pathology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
David A ScottMcGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Yong TangDepartment of Pathology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
Pamela J McLeanDepartment of Neuroscience, Mayo Clinic, Jacksonville, FL 32224, USA.
Subhojit RoyDepartment of Pathology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Electronic address: s1roy@ucsd.edu.
University of California San Diego · USMayo Clinic in Florida · USMcGovern Institute for Brain Research · US

Funding

VIRUS-INDUCED BRAIN PATHOLOGYP50AG005131 · NIA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI BREWER, JAMES B · 1985 to 2018
$55.4M
Extracellular alpha-synuclein in Parkinson's DiseaseR01NS073740 · NINDS · MAYO CLINIC JACKSONVILLE · PI MCLEAN, PAMELA J · 2011 to 2015
$1.7M
NIA NIH HHS P50 AG005131NIA NIH HHS P50AG005131NINDS NIH HHS R01 NS073740
6 · The paper itself

Abstract

The normal functions and pathologic facets of the small presynaptic protein α-synuclein (α-syn) are of exceptional interest. In previous studies, we found that α-syn attenuates synaptic exo/endocytosis; however, underlying mechanisms remain unknown. More recent evidence suggests that α-syn exists as metastable multimers and not solely as a natively unfolded monomer. However, conformations of α-syn at synapses--its physiologic locale--are unclear, and potential implications of such higher-order conformations to synaptic function are unknown. Exploring α-syn conformations and synaptic function in neurons, we found that α-syn promptly organizes into physiological multimers at synapses. Furthermore, our experiments indicate that α-syn multimers cluster synaptic vesicles and restrict their motility, suggesting a novel role for these higher-order structures. Supporting this, α-syn mutations that disrupt multimerization also fail to restrict synaptic vesicle motility or attenuate exo/endocytosis. We propose a model in which α-syn multimers cluster synaptic vesicles, restricting their trafficking and recycling, and consequently attenuate neurotransmitter release.

Indexed as

Synaptic Transmissionalpha-SynucleinAnimalsCells, CulturedHEK293 CellsHippocampusHumansMiceMicroscopy, FluorescenceNeuronsSynaptic Vesiclesalpha-Synuclein

Identifiers

PMID25264250
PMCPMC4190006
OpenAlexW2043835731

What OpenQuestion holds

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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.