Evidence map›Paper›PMID 26633354›Full record

ReviewInternational journal of molecular sciences2015

Old Things New View: Ascorbic Acid Protects the Brain in Neurodegenerative Disorders.

Adriana Covarrubias-Pinto, Aníbal Ignacio Acuña, Felipe Andrés Beltrán, Leandro Torres-Díaz, Maite Aintzane Castro

Open access · goldAbstract readReview
In one paragraph

Review in International journal of molecular sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
70citing papers in PubMed, 1 pooled it
5.4field-weighted citation impact, top 4% 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

70 citing papers in PubMed, 1 synthesis or guideline pooled it, 136 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Synergistic Effects of Anthocyanin-EnrichedFoods (Basel, Switzerland) · 2025
    Article
  7. Article
  8. Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
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  15. Article
  16. Arazá:Foods (Basel, Switzerland) · 2024
    Review
  17. Article
  18. Review
  19. The Healthy and Diseased Retina Seen through Neuron-Glia Interactions.International journal of molecular sciences · 2024
    Review
  20. Article

10 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

5 authors at 1 institution in 1 country.

Adriana Covarrubias-PintoInstituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile. adriana.covarrubias@postgrado.uach.cl.
Aníbal Ignacio AcuñaInstituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile. aacuna.sanmartin@alumnos.uach.cl.
Felipe Andrés BeltránInstituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile. felipe.beltran@alumnos.uach.cl.
Leandro Torres-DíazInstituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile. leandro.torres@postgrado.uach.cl.
Maite Aintzane CastroInstituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile. macastro@uach.cl.
Austral University of Chile · CL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ascorbic acid is a key antioxidant of the Central Nervous System (CNS). Under brain activity, ascorbic acid is released from glial reservoirs to the synaptic cleft, where it is taken up by neurons. In neurons, ascorbic acid scavenges reactive oxygen species (ROS) generated during synaptic activity and neuronal metabolism where it is then oxidized to dehydroascorbic acid and released into the extracellular space, where it can be recycled by astrocytes. Other intrinsic properties of ascorbic acid, beyond acting as an antioxidant, are important in its role as a key molecule of the CNS. Ascorbic acid can switch neuronal metabolism from glucose consumption to uptake and use of lactate as a metabolic substrate to sustain synaptic activity. Multiple evidence links oxidative stress with neurodegeneration, positioning redox imbalance and ROS as a cause of neurodegeneration. In this review, we focus on ascorbic acid homeostasis, its functions, how it is used by neurons and recycled to ensure antioxidant supply during synaptic activity and how this antioxidant is dysregulated in neurodegenerative disorders.

Indexed as

AnimalsAntioxidantsAscorbic AcidAstrocytesBrainCentral Nervous SystemEnergy MetabolismHumansNeurodegenerative DiseasesNeuronsNeuroprotective AgentsOxidation-ReductionOxidative StressReactive Oxygen SpeciesSynapsesAntioxidantsAscorbic AcidNeuroprotective AgentsReactive Oxygen Speciesbrain energy metabolismoxidative stress

Identifiers

PMID26633354
PMCPMC4691042
OpenAlexW2181069053

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.