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Metal Concentrations in Cerebrospinal Fluid and Blood Plasma from Patients with Amyotrophic Lateral Sclerosis
Uppsala University, Disciplinary Domain of Science and Technology, Faculty of Science and Technology.
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2013 (English)In: Biological Trace Element Research, ISSN 0163-4984, E-ISSN 1559-0720, Vol. 151, no 2, 159-170 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2013. Vol. 151, no 2, 159-170 p.
Keyword [en]
ALS, Cerebrospinal fluid, HR-ICP-MS, Metals, Plasma, QEMG
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-194733DOI: 10.1007/s12011-012-9547-xISI: 000313735900001OAI: oai:DiVA.org:uu-194733DiVA: diva2:606508
Available from: 2013-02-19 Created: 2013-02-19 Last updated: 2013-02-19Bibliographically approved

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Vesterberg, Olof
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