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New insights into manganese toxicity and speciation.

J. Trace Elem. Med. Biol. 28, 106-116 (2014)
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Manganese (Mn) is known to be a neurotoxic agent for nearly 175 years now. A lot of research has therefore been carried out over the last century. From preliminary describing only symptoms of Mn-(over)exposed workers, research was preceded to more detail on toxic mechanisms of Mn. Unraveling those neurotoxic mechanisms implicated a number of studies, which were summarized partly in several reviews (e.g. Yokel RA. Neuromol Med 2009;11(4):297-310; Aschner M, et al. Toxicology Appl Pharmacol 2007;221(2):131-47; Michalke B, et al. J Environ Monit 2007;9(7):650). Since our recent review on Mn-speciation in 2007 (Michalke B, et al. J Environ Monit 2007;9(7):650), Mn-research was considerably pushed forward and several new research articles were published. The very recent years though, Mn toxicity investigating science is spreading into different fields with very detailed and complex study designs. Especially the mechanisms of Mn-induced neuronal injury on cellular and molecular level was investigated in more detail, discussing neurotransmitter and enzyme interactions, mechanisms of action on DNA level and even inclusion of genetic influences. Depicting the particular Mn-species was also a big issue to determine which molecule is transporting Mn at the cell membranes and which one is responsible for the injury of neuronal tissue. Other special foci on epidemiologic studies were becoming more and more important: These foci were directed toward environmental influences of Mn on especially Parkinson disease prevalence and the ability to carry out follow-up studies about Mn-life-span exposure. All these very far-reaching research applications may finally lead to a suitable future human Mn-biomonitoring for being able to prevent or at least detect the early onset of manganism at the right time.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Manganism ; Mn Exposure ; Mn Molecular Interactions ; Mn-biomonitoring ; Mn-speciation; Cerebrospinal Fluid-barrier; Drinking-water; Rat-brain; Oxidative Stress; Blood-brain; In-vitro; Induced Neurotoxicity; Inhalation Exposure; Italian Adolescents; Parkinsons-disease
ISSN (print) / ISBN 0946-672X
e-ISSN 1878-3252
Quellenangaben Band: 28, Heft: 2, Seiten: 106-116 Artikelnummer: , Supplement: ,
Verlag Urban & Fischer
Verlagsort Jena
Begutachtungsstatus Peer reviewed