Cited by 496Neurological diseases and metabolismIron Metabolism and DisordersTrace Elements in Health

Iron metabolism in the CNS: implications for neurodegenerative diseases

Rouault, Tracey A.·2013·Nature Reviews Neuroscience

Abstract

Abnormal accumulation of brain iron has been detected in various neurodegenerative diseases, but the contribution of iron overload to pathology remains unclear. In a group of distinctive brain iron overload diseases known as 'neurodegeneration with brain iron accumulation' (NBIA) diseases, nine disease genes have been identified. Brain iron accumulation is observed in the globus pallidus and other brain regions in NBIA diseases, which are often associated with severe dystonia and gait abnormalities. Only two of these diseases, aceruloplasminaemia and neuroferritinopathy, are directly caused by abnormalities in iron metabolism, mainly in astrocytes and neurons, respectively. Understanding the early molecular pathophysiology of these diseases should aid insights into the role of iron and the design of specific therapeutic approaches.

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  • Iron-mediated generation of ROS and injury to mitochondria are likely mechanisms of NBIA.

    “Although iron-mediated generation of ROS and injury to mitochondria are likely mechanisms [196, 204]”
  • In other rare genetic diseases of the neurodegeneration with brain iron accumulation group, mutations disrupt proteins with cellular functions different from iron metabolism, and the mechanisms that result in brain iron overload are undefined.

    “In other rare genetic diseases of this group, such as pantothenate kinase-associated neurodegeneration, phospholipase A2G6-associated neurodegeneration, and Kufor-Rakeb disease, mutations disrupt proteins with cellular functions different from iron metabolism, and the mechanisms that result in brain iron overload are undefined.169–173”
  • In iron overloaded areas of the brain in aceruloplasminaemia, up to a ten-times increase was recorded in neurons and microglia, but widespread brain iron deposition can occur.

    “In these iron overloaded areas of the brain, up to a ten-times increase was recorded in neurons and microglia, but widespread brain iron deposition can occur.170,175”

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Authors
Rouault, T. A.
Affiliations
National Institutes of Health (US)
Corresponding author
Rouault, Tracey A.
Venue
Nature Reviews Neuroscience
Published
2013-07-03
Volume
14
Issue
8
Pages
551-564
ISSN
  • 1471-003X (ISSN-L)
  • 1471-0048
OpenAlex
W2025048194
Cited by
496
References
143
Citations by year
2026: 38 · 2025: 46 · 2024: 35 · 2023: 33 · 2022: 49 · 2021: 47 · 2020: 25 · 2019: 41 · 2018: 33 · 2017: 43 · 2016: 29 · 2015: 39 · 2014: 32 · 2013: 6
FWCI
3.43
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
Keywords
brain iron accumulation, iron metabolism, neurodegeneration with brain iron accumulation, iron overload, neuroferritinopathy, globus pallidus, dystonia, gait disturbance, astrocytes, neurons, molecular pathophysiology, treatment options
MeSH terms
Animals, Central Nervous System, Humans, Iron, Iron Metabolism Disorders, Neurodegenerative Diseases

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