Genetic factors and manganese-induced neurotoxicity

Pan Chen, Nancy Parmalee, Michael Aschner

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Manganese (Mn), is a trace metal required for normal physiological processes in humans. Mn levels are tightly regulated, as high levels of Mn result in accumulation in the brain and cause a neurological disease known as manganism. Manganism shares many similarities with Parkinson's disease (PD), both at the physiological level and the cellular level. Exposure to high Mn-containing environments increases the risk of developing manganism. Mn is absorbed primarily through the intestine and then released in the blood. Excessive Mn is secreted in the bile and excreted in feces. Mn enters and exits cells through a number of non-specific importers localized on the cell membrane. Mutations in one of the Mn exporters, SLC30A10 (solute carrier family 30, member 10), result in Mn induced toxicity with liver impairments and neurological dysfunction. Four PD genes have been identified in connection to regulation of Mn toxicity, shedding new light on potential links between manganism and PD.

Original languageEnglish (US)
Article numberArticle 265
JournalFrontiers in Genetics
Volume5
Issue numberAUG
DOIs
StatePublished - 2014

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Manganese
Parkinson Disease
Physiological Phenomena
Feces
Bile
Intestines
Metals
Cell Membrane
Mutation
Liver
Brain

Keywords

  • Manganese
  • Manganism
  • Neurotoxicity
  • Parkinson's disease

ASJC Scopus subject areas

  • Genetics
  • Molecular Medicine
  • Genetics(clinical)

Cite this

Genetic factors and manganese-induced neurotoxicity. / Chen, Pan; Parmalee, Nancy; Aschner, Michael.

In: Frontiers in Genetics, Vol. 5, No. AUG, Article 265, 2014.

Research output: Contribution to journalArticle

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