Evidence map›Paper›PMID 40596531›Full record

ArticleScientific reports2025

The impact of oxidative stress on symptoms associated with multiple sclerosis.

Raquel Piñar-Morales, Raquel Durán, Alicia Bautista-García, Maria Jose García-Mansilla, Pablo Aliaga-Gaspar, Francisco Vives-Montero, Francisco J Barrero-Hernández

Abstract read
In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

14 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  12. Unraveling the Effects ofInternational journal of molecular sciences · 2025
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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

7 authors.

Raquel Piñar-MoralesNeurology Department, Hospital Universitario Clinico San Cecilio, Granada, Spain. rpinarmorales@gmail.com.
Raquel DuránUniversity of Granada, Instituto de Investigación Biosanitaria IBS, Granada, Spain.
Alicia Bautista-GarcíaDepartment of Physiology, Faculty of Medicine, University of Granada, Granada, Spain.
Maria Jose García-MansillaInstitute of Neurosciences "Federico Olóriz", Centre of Biomedical Research Centre, University of Granada, Granada, Spain.
Pablo Aliaga-GasparNeuroimmunology and Neuroinflammation Group, Instituto de Investigación Biomédica de Málaga (IBIMA), Facultad de Medicina, Unidad de Gestión Clínica (UGC), Neurociencias, Hospital Regional Universitario, Universidad de Málaga, Málaga, Spain.
Francisco Vives-MonteroUniversity of Granada, Instituto de Investigación Biosanitaria IBS, Granada, Spain.
Francisco J Barrero-HernándezNeurology Department, Hospital Universitario Clinico San Cecilio, Granada, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Multiple sclerosis (MS) is a chronic, inflammatory and degenerative disease affecting the central nervous system, the pathophysiology of which is unknown. Oxidative stress appears to play a significant role in the initiation and the perpetuation of the inflammatory and neurodegenerative processes associated with MS. We have analysed parameters relating to oxidative stress in people with multiple sclerosis (pwMS) and in healthy individuals.Superoxide dismutase (SOD) activity was higher in pwMS than the control group. Meanwhile, total antioxidant capacity (TAC), 4-hydroxynonenal (4-HNE) and 8-hydroxy-2'-deoxyguanosine (8-OHdG) were lower in pwMS. The TAC levels correlated with age and disease duration. Regarding the relationship with disease activity, SOD levels were related to T2-FLAIR lesion burden in MRI and 8-OHdG to annualised relapse rate. PwMS with slower processing speeds exhibited lower levels of TAC and higher 4-HNE levels. No relationship was found between oxidative stress and the presence of depression, fatigue or quality of life. These results link oxidative stress to the pathogenesis of MS. Our findings suggest that these parameters might vary in function of disease activity or be related to the presence of MS-associated symptoms such as CI.

Indexed as

Multiple SclerosisOxidative Stress8-Hydroxy-2'-DeoxyguanosineAdultAldehydesAntioxidantsBiomarkersCase-Control StudiesFemaleHumansMagnetic Resonance ImagingMaleMiddle AgedQuality of LifeSuperoxide Dismutase4-hydroxy-2-nonenal8-Hydroxy-2'-DeoxyguanosineAldehydesAntioxidantsBiomarkersSuperoxide Dismutase4-hydroxynonenalCognitive impairmentMultiple sclerosisOxidative stressSuperoxide dismutaseTotal antioxidant capacity

Identifiers

PMID40596531
PMCPMC12215555

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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.