ArticleScientific reports2023
Potentially toxic elements in the brains of people with multiple sclerosis.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 20 citations in OpenAlex.
- The locus coeruleus at the crossroads of inflammation and neurodegeneration in multiple sclerosis.Journal of neuroinflammation · 2026Review
- Metallomic Analysis of Vitreous Humor of the Human Eye-A Post-Mortem Multielemental Study.International journal of molecular sciences · 2026Article
- Genomic Impacts of Biological Exposures.Journal of developmental biology · 2026Review
- Decreased metallothionein-3 expression in the human spinal cord is a common feature of amyotrophic lateral sclerosis and multiple sclerosis.Scientific reports · 2026Article
- Ameliorative role of Polyscias fruticosa leaf extract in aluminum chloride-induced neurotoxicity flies possibly mediated by N-methyl-D-aspartate receptor antagonistic and anticholinesterase active compounds.Journal of natural medicines · 2025Article
- Demyelination and impaired oligodendrogenesis in the corpus callosum following lead exposure.Toxicological sciences : an official journal of the Society of Toxicology · 2024Article
- Elemental biomapping of human tissues suggests toxic metals such as mercury play a role in the pathogenesis of cancer.Frontiers in oncology · 2024Article
- Article
- The toxic metal hypothesis for neurological disorders.Frontiers in neurology · 2023Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Potentially toxic elements such as lead and aluminium have been proposed to play a role in the pathogenesis of multiple sclerosis (MS), since their neurotoxic mechanisms mimic many of the pathogenetic processes in MS. We therefore examined the distribution of several potentially toxic elements in the autopsied brains of people with and without MS, using two methods of elemental bio-imaging. Toxicants detected in the locus ceruleus were used as indicators of past exposures. Autometallography of paraffin sections from multiple brain regions of 21 MS patients and 109 controls detected inorganic mercury, silver, or bismuth in many locus ceruleus neurons of both groups, and in widespread blood vessels, oligodendrocytes, astrocytes, and neurons of four MS patients and one control. Laser ablation-inductively coupled plasma-mass spectrometry imaging of pons paraffin sections from all MS patients and 12 controls showed that combinations of iron, silver, lead, aluminium, mercury, nickel, and bismuth were present more often in the locus ceruleus of MS patients and were located predominantly in white matter tracts. Based on these results, we propose that metal toxicants in locus ceruleus neurons weaken the blood-brain barrier, enabling multiple interacting toxicants to pass through blood vessels and enter astrocytes and oligodendroglia, leading to demyelination.
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