Evidence map›Paper›PMID 33500442›Full record

ArticleScientific reports2021

Direct current stimulation enhances neuronal alpha-synuclein degradation in vitro.

Gessica Sala, Tommaso Bocci, Valentina Borzì, Marta Parazzini, Alberto Priori, Carlo Ferrarese

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 23% 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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Review
  9. Article
  10. Frontiers in molecular neuroscience · 2023
    Review
  11. Neuroprotection and Non-Invasive Brain Stimulation: Facts or Fiction?International journal of molecular sciences · 2022
    Review
  12. Review
  13. Article
  14. Article
  15. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 4 institutions in 1 country.

Gessica SalaLaboratory of Neurobiology, NeuroMI - Milan Center for Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, via Cadore, 48, 20900, Monza, MB, Italy. gessica.sala@unimib.it.
Tommaso BocciCentro "Aldo Ravelli" per le Neurotecnologie e le Terapie Neurologiche Sperimentali, Dipartimento di Scienze della Salute, Università degli Studi di Milano and ASST Santi Paolo e Carlo, Milan, Italy.
Valentina BorzìLaboratory of Neurobiology, NeuroMI - Milan Center for Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, via Cadore, 48, 20900, Monza, MB, Italy.
Marta ParazziniIstituto di Elettronica e di Ingegneria Dell'Informazione e delle Telecomunicazioni (IEIIT), Consiglio Nazionale delle Ricerche (CNR), Milan, Italy.
Alberto PrioriCentro "Aldo Ravelli" per le Neurotecnologie e le Terapie Neurologiche Sperimentali, Dipartimento di Scienze della Salute, Università degli Studi di Milano and ASST Santi Paolo e Carlo, Milan, Italy.
Carlo FerrareseLaboratory of Neurobiology, NeuroMI - Milan Center for Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, via Cadore, 48, 20900, Monza, MB, Italy.
University of Milan · ITUniversity of Milano-Bicocca · ITAzienda Ospedaliera San Gerardo · ITInstitute of Electronics, Computer and Telecommunication Engineering · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Despite transcranial Direct Current Stimulation (DCS) is currently proposed as a symptomatic treatment in Parkinson's disease, the intracellular and molecular mechanisms elicited by this technique are still unknown, and its disease-modifying potential unexplored. Aim of this study was to elucidate the on-line and off-line effects of DCS on the expression, aggregation and degradation of alpha-synuclein (asyn) in a human neuroblastoma cell line under basal conditions and in presence of pharmachologically-induced increased asyn levels. Following DCS, gene and protein expression of asyn and its main autophagic catabolic pathways were assessed by real-time PCR and Western blot, extracellular asyn levels by Dot blot. We found that, under standard conditions, DCS increased monomeric and reduced oligomeric asyn forms, with a concomitant down-regulation of both macroautophagy and chaperone-mediated autophagy. Differently, in presence of rotenone-induced increased asyn, DCS efficiently counteracted asyn accumulation, not acting on its gene transcription, but potentiating its degradation. DCS also reduced intracellular and extracellular asyn levels, increased following lysosomal inhibition, independently from autophagic degradation, suggesting that other mechanisms are also involved. Collectively, these findings suggest that DCS exerts on-line and off-line effects on the expression, aggregation and autophagic degradation of asyn, indicating a till unknown neuroprotective role of tDCS.

Indexed as

ProteolysisTranscranial Direct Current Stimulationalpha-SynucleinAmmonium ChlorideAutophagyBiomarkersBrain-Derived Neurotrophic FactorCell Line, TumorCell ShapeCell SurvivalDNA-Binding ProteinsDown-RegulationHumansNeuronsProtein AggregatesRotenonealpha-SynucleinAmmonium ChlorideBiomarkersBrain-Derived Neurotrophic FactorDNA-Binding ProteinsProtein AggregatesRotenoneTARDBP protein, human

Identifiers

PMID33500442
PMCPMC7838399
OpenAlexW3121844480

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Registered trials

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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.