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Mult Scler Int. 2011;2011:606807. doi: 10.1155/2011/606807. Epub 2011 Feb 10.

Iron and neurodegeneration in multiple sclerosis.

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  • 1Department of Neurology, Medical University of Graz, A-8036 Graz, Austria.

Abstract

Increased iron deposition might be implicated in multiple sclerosis (MS). Recent development of MRI enabled to determine brain iron levels in a quantitative manner, which has put more interest on studying the role of iron in MS. Evidence for abnormal iron homeostasis in MS comes also from analyses of iron and iron-related proteins in CSF and blood and postmortem MS brain sections. However, it is not yet clear if iron accumulation is implicated in MS pathology or merely reflects an epiphenomenon. Further interest has been generated by the idea of chronic cerebrospinal venous insufficiency that might be associated with brain iron accumulation due to a reduction in venous outflow, but its existence and etiologic role in MS are currently controversially debated. In future studies, combined approaches applying quantitative MRI together with CSF and serum analyses of iron and iron-related proteins in a clinical followup setting might help to elucidate the implication of iron accumulation in MS.

PMID:
22096640
[PubMed]
PMCID:
PMC3196218
Free PMC Article

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