Evidence map›Paper›PMID 28052246›Full record

ArticleCell reports2017

Synucleins Have Multiple Effects on Presynaptic Architecture.

Karina J Vargas, Nikolas Schrod, Taylor Davis, Ruben Fernandez-Busnadiego, Yumiko V Taguchi, Ulrike Laugks, Vladan Lucic, Sreeganga S Chandra

Open access · goldAbstract read
In one paragraph

Article in Cell reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 104 papers.

0numbers the graph read from it
0cells of the map it votes in
104citing papers in PubMed
12.1field-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

104 citing papers in PubMed, 162 citations in OpenAlex.

  1. Gray Matter Microstructure Measured Using Diffusion Imaging as a Biomarker of Severity in Lewy Body Diseases.Movement disorders : official journal of the Movement Disorder Society · 2026
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  7. Parkinson disease is a fatty acidopathy.Nature reviews. Neurology · 2025
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  18. Review
  19. Article
  20. Article

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 2 countries.

Karina J VargasDepartment of Neurology, Yale University, New Haven, CT 06536, USA; Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale University, New Haven, CT 06536, USA.
Nikolas SchrodMax Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany.
Taylor DavisDepartment of Neurology, Yale University, New Haven, CT 06536, USA; Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale University, New Haven, CT 06536, USA.
Ruben Fernandez-BusnadiegoProgram in Cellular Neuroscience, Neurodegeneration and Repair, Yale University, New Haven, CT 06536, USA; Department of Cell Biology, School of Medicine, Yale University, New Haven, CT 06510, USA; Howard Hughes Medical Institute, School of Medicine, Yale University, New Haven, CT 06510, USA.
Yumiko V TaguchiProgram in Cellular Neuroscience, Neurodegeneration and Repair, Yale University, New Haven, CT 06536, USA; Department of Cell Biology, School of Medicine, Yale University, New Haven, CT 06510, USA.
Ulrike LaugksMax Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany.
Vladan LucicMax Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany. Electronic address: vladan@biochem.mpg.de.
Sreeganga S ChandraDepartment of Neurology, Yale University, New Haven, CT 06536, USA; Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale University, New Haven, CT 06536, USA; Department of Neuroscience, Yale University, New Haven, CT 06519, USA. Electronic address: sreeganga.chandra@yale.edu.
Yale University · USMax Planck Institute of Biochemistry · DE

Funding

NEUROBIOLOGY OF CORTICAL SYSTEMST32NS007224 · NINDS · YALE UNIVERSITY · PI CARDIN, JESSICA A · 1985 to 2025
$4.6M
Roles of the CSPalpha Chaperone Complex in Presynaptic Maintenance and ANCLR01NS083846 · NINDS · YALE UNIVERSITY · PI CHANDRA, SREEGANGA S · 2014 to 2018
$2.2M
The Physiological Functions of SynucleinsR01NS064963 · NINDS · YALE UNIVERSITY · PI CHANDRA, SREEGANGA S · 2010 to 2014
$1.6M
NINDS NIH HHS R01 NS064963NINDS NIH HHS R01 NS083846NINDS NIH HHS T32 NS007224
6 · The paper itself

Abstract

Synucleins (α, β, γ-synuclein) are a family of abundant presynaptic proteins. α-Synuclein is causally linked to the pathogenesis of Parkinson's disease (PD). In an effort to define their physiological and pathological function or functions, we investigated the effects of deleting synucleins and overexpressing α-synuclein PD mutations, in mice, on synapse architecture using electron microscopy (EM) and cryoelectron tomography (cryo-ET). We show that synucleins are regulators of presynapse size and synaptic vesicle (SV) pool organization. Using cryo-ET, we observed that deletion of synucleins increases SV tethering to the active zone but decreases the inter-linking of SVs by short connectors. These ultrastructural changes were correlated with discrete protein phosphorylation changes in αβγ-synuclein-/- neurons. We also determined that α-synuclein PD mutants (PARK1/hA30P and PARK4/hα-syn) primarily affected presynaptic cytomatrix proximal to the active zone, congruent with previous findings that these PD mutations decrease neurotransmission. Collectively, our results suggest that synucleins are important orchestrators of presynaptic terminal topography.

Indexed as

AnimalsHumansMiceMutationParkinson DiseasePresynaptic TerminalsSynaptic VesiclesSynucleinsSynucleinsamphiphysincalcineurinendocytosisknockout mouseParkinson’s diseasepresynapticreserve poolsynaptic vesicletetheringtomography

Identifiers

PMID28052246
PMCPMC5510332
OpenAlexW2570972408

What OpenQuestion holds

Textmetadata
LicenceTDM
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.