Evidence map›Paper›PMID 24252804›Full record

ReviewJournal of Parkinson's disease2013

The role of oxidative stress in Parkinson's disease.

Vera Dias, Eunsung Junn, M Maral Mouradian

Registry-linked trialOpen access · hybridAbstract readReview
In one paragraph

Review in Journal of Parkinson's disease, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07064005 (Brain Glutathione), which is not on this map. Cited by 926 papers, 9 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
926citing papers in PubMed, 9 pooled it
35.3field-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.

NCT07064005 phase1recruitingnot on this mapstarted 2026, after this paper: background citation

Brain Glutathione (GSH) Enrichment Through Gamma-glutamylcysteine (GGC) Supplementation in Early Parkinson's Disease Patients for Reduction of Extrapyramidal Motor Disturbances and Halting Cognition Decline: A Pilot Trial

TypeinterventionalSponsorPravat MandalRan2026 to 2027Enrolled12ConditionsParkinsons Disease (PD)ArmsGamma- glutamylcysteine
3 · Its place in the literature

Who cites it

926 citing papers in PubMed, 9 syntheses or guidelines pooled it, 1,697 citations in OpenAlex.

  1. Pooled it
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  6. UsingInternational journal of molecular sciences · 2025
    Pooled it
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  12. Article
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  14. Kaempferol fromToxicology reports · 2026
    Article
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  18. Review
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  20. Extreme heat and hospitalization with Parkinson's disease among older adults.Journal of exposure science & environmental epidemiology · 2026
    Article

866 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

3 authors at 1 institution in 1 country.

Vera DiasCenter for Neurodegenerative and Neuroimmunologic Diseases, Department of Neurology, Rutgers - Robert Wood Johnson Medical School, Piscataway, NJ, USA.
Eunsung Junn
M Maral Mouradian
Rutgers, The State University of New Jersey · US

Funding

Manipulating Gene Expression in the Dyskinesias of Parkinson's DiseaseR01NS073994 · NINDS · EMORY UNIVERSITY · PI MOURADIAN, M. MARAL, PAPA, STELLA M · 2011 to 2016
$2.4M
Synergistic Neuroprotective Mechanisms of Coffee Components in Parkinson's DiseasR01AT006868 · NCCIH · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI MOURADIAN, M. MARAL, STOCK, JEFFRY B · 2012 to 2016
$2.2M
Neuroprotective Activity of DJ-1 in Parkinson's DiseaseR01NS059869 · NINDS · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI MOURADIAN, M. MARAL · 2007 to 2011
$1.7M
Alpha-Synuclein Regulation by microRNAsR01NS070898 · NINDS · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI JUNN, EUNSUNG · 2011 to 2015
$1.7M
Anti-apoptotic Function of DJ-1 in Parkinson's DiseaseR21NS053517 · NINDS · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI MOURADIAN, M. MARAL · 2006 to 2007
$399k
NCCIH NIH HHS AT006868NCCIH NIH HHS R01 AT006868NINDS NIH HHS NS059869NINDS NIH HHS NS070898NINDS NIH HHS NS073994NINDS NIH HHS R01 NS059869NINDS NIH HHS R01 NS070898NINDS NIH HHS R21 NS053517
6 · The paper itself

Abstract

Oxidative stress plays an important role in the degeneration of dopaminergic neurons in Parkinson's disease (PD). Disruptions in the physiologic maintenance of the redox potential in neurons interfere with several biological processes, ultimately leading to cell death. Evidence has been developed for oxidative and nitrative damage to key cellular components in the PD substantia nigra. A number of sources and mechanisms for the generation of reactive oxygen species (ROS) are recognized including the metabolism of dopamine itself, mitochondrial dysfunction, iron, neuroinflammatory cells, calcium, and aging. PD causing gene products including DJ-1, PINK1, parkin, alpha-synuclein and LRRK2 also impact in complex ways mitochondrial function leading to exacerbation of ROS generation and susceptibility to oxidative stress. Additionally, cellular homeostatic processes including the ubiquitin-proteasome system and mitophagy are impacted by oxidative stress. It is apparent that the interplay between these various mechanisms contributes to neurodegeneration in PD as a feed forward scenario where primary insults lead to oxidative stress, which damages key cellular pathogenetic proteins that in turn cause more ROS production. Animal models of PD have yielded some insights into the molecular pathways of neuronal degeneration and highlighted previously unknown mechanisms by which oxidative stress contributes to PD. However, therapeutic attempts to target the general state of oxidative stress in clinical trials have failed to demonstrate an impact on disease progression. Recent knowledge gained about the specific mechanisms related to PD gene products that modulate ROS production and the response of neurons to stress may provide targeted new approaches towards neuroprotection.

Indexed as

alpha-SynucleinAnimalsCalciumDopamineDopaminergic NeuronsGlutathioneHumansIntracellular Signaling Peptides and ProteinsIronLeucine-Rich Repeat Serine-Threonine Protein Kinase-2Lipid MetabolismMelaninsMitochondriaOncogene ProteinsOxidation-ReductionOxidative Stressalpha-SynucleinCalciumDopamineGlutathioneIntracellular Signaling Peptides and ProteinsIronLeucine-Rich Repeat Serine-Threonine Protein Kinase-2LRRK2 protein, humanMelaninsneuromelaninOncogene ProteinsPARK7 protein, humanparkin proteinProtein Deglycase DJ-1Protein KinasesProtein Serine-Threonine KinasesPTEN-Induced Putative KinaseUbiquitinUbiquitin-Protein LigasesdopaminemitochondriaNeurodegenerationneuroinflammationneuroprotectionreactive oxygen species

Identifiers

PMID24252804
PMCPMC4135313
OpenAlexW1588992136

What OpenQuestion holds

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LicenceTDM
Read underepoch 390

Registered trials

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.