Metal Concentrations in Cerebrospinal Fluid and Blood Plasma from Patients with Amyotrophic Lateral Sclerosis

Vesterberg, Olof (author): Uppsala universitet,Teknisk-naturvetenskapliga fakulteten

Syversen, Tore (author)

Flaten, Trond Peder (author)

(creator_code:org_t)

2012-12-08
2013
English.
In: Biological Trace Element Research. - : Springer Science and Business Media LLC. - 0163-4984 .- 1559-0720. ; 151:2, s. 159-170

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; http://kipublication...; show less...

Abstract Subject headings

Amyotrophic lateral sclerosis (ALS) is a progressive and fatal degenerative disorder of motor neurons. The cause of this degeneration is unknown, and different causal hypotheses include genetic, viral, traumatic and environmental mechanisms. In this study, we have analyzed metal concentrations in cerebrospinal fluid (CSF) and blood plasma in a well-defined cohort (n = 17) of ALS patients diagnosed with quantitative electromyography. Metal analyses were performed with high-resolution inductively coupled plasma mass spectrometry. Statistically significant higher concentrations of manganese, aluminium, cadmium, cobalt, copper, zinc, lead, vanadium and uranium were found in ALS CSF compared to control CSF. We also report higher concentrations of these metals in ALS CSF than in ALS blood plasma, which indicate mechanisms of accumulation, e.g. inward directed transport. A pattern of multiple toxic metals is seen in ALS CSF. The results support the hypothesis that metals with neurotoxic effects are involved in the pathogenesis of ALS.

By the author/editor: Roos, Per M.; Vesterberg, Olof; Syversen, Tore; Flaten, Trond Pe ...; Nordberg, Monica

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