Evidence map›Paper›PMID 38114496›Full record

ReviewNPJ Parkinson's disease2023

Towards improved screening of toxins for Parkinson's risk.

Ling Shan, Harm J Heusinkveld, Kimberly C Paul, Samantha Hughes, Sirwan K L Darweesh, Bastiaan R Bloem, Judith R Homberg

Open access · goldAbstract readReview
In one paragraph

Review in NPJ Parkinson's disease, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. 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
5.3field-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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.

  1. Enteric Nervous System Damage by Food Contaminants: A Pathway to Neurodegeneration?Comprehensive reviews in food science and food safety · 2026
    Pooled it
  2. Review
  3. Review
  4. Article
  5. Early-Onset Parkinson's Disease: Unique Features and Management Approaches.Current neurology and neuroscience reports · 2025
    Review
  6. A PLAN to address the Parkinson pandemic.Journal of Parkinson's disease · 2025
    Review
  7. Article
  8. Review
  9. Motor Cortex Disinhibition Correlates with Olfactory Dysfunction in Parkinson's Disease.Movement disorders : official journal of the Movement Disorder Society · 2025
    Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Review
  15. Review
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 at 5 institutions in 2 countries.

Ling ShanDepartment Neuropsychiatric Disorders, Netherlands Institute for Neuroscience, an Institute of the Royal Netherlands Academy of Arts and Sciences, Amsterdam, the Netherlands. l.shan@nin.knaw.nl.ORCID http://orcid.org/0000-0002-4765-2474
Harm J HeusinkveldCentre for Health Protection, National Institute for Public Health and Environment (RIVM), Bilthoven, The Netherlands.ORCID http://orcid.org/0000-0002-3269-5586
Kimberly C PaulDepartment of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-4476-2352
Samantha HughesA-LIFE Amsterdam Institute for Life and Environment, Section Environmental Health and Toxicology, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands.ORCID http://orcid.org/0000-0001-8447-2563
Sirwan K L DarweeshDepartment of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0002-4361-4593
Bastiaan R BloemDepartment of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0002-6371-3337
Judith R HombergDepartment of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
Radboud University Nijmegen · NLNational Institute for Public Health and the Environment · NLNetherlands Institute for Neuroscience · NLUniversity of California, Los Angeles · USVrije Universiteit Amsterdam · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Parkinson's disease (PD) is a chronic, progressive and disabling neurodegenerative disorder. The prevalence of PD has risen considerably over the past decades. A growing body of evidence suggest that exposure to environmental toxins, including pesticides, solvents and heavy metals (collectively called toxins), is at least in part responsible for this rapid growth. It is worrying that the current screening procedures being applied internationally to test for possible neurotoxicity of specific compounds offer inadequate insights into the risk of developing PD in humans. Improved screening procedures are therefore urgently needed. Our review first substantiates current evidence on the relation between exposure to environmental toxins and the risk of developing PD. We subsequently propose to replace the current standard toxin screening by a well-controlled multi-tier toxin screening involving the following steps: in silico studies (tier 1) followed by in vitro tests (tier 2), aiming to prioritize agents with human relevant routes of exposure. More in depth studies can be undertaken in tier 3, with whole-organism (in)vertebrate models. Tier 4 has a dedicated focus on cell loss in the substantia nigra and on the presumed mechanisms of neurotoxicity in rodent models, which are required to confirm or refute the possible neurotoxicity of any individual compound. This improved screening procedure should not only evaluate new pesticides that seek access to the market, but also critically assess all pesticides that are being used today, acknowledging that none of these has ever been proven to be safe from a perspective of PD. Importantly, the improved screening procedures should not just assess the neurotoxic risk of isolated compounds, but should also specifically look at the cumulative risk conveyed by exposure to commonly used combinations of pesticides (cocktails). The worldwide implementation of such an improved screening procedure, would be an essential step for policy makers and governments to recognize PD-related environmental risk factors.

Identifiers

PMID38114496
PMCPMC10730534
OpenAlexW4389943389

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.