Cited by 92Iron Metabolism and DisordersNeurological diseases and metabolismTrace Elements in Health

Iron deficiency on neuronal function

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Muñoz, Pablo, Humeres, Alexis·2012·BioMetals

Abstract

Because of the intrinsic ability of iron to catalyze the formation of reactive oxygen species, it has been associated with oxidative stress and neurodegenerative diseases. However, iron deficiency (ID) also negatively impacts various functions of the brain, suggesting that iron plays an important physiological role in neuronal processes such as myelination, synaptogenesis, behavior and synaptic plasticity (SP). ID not only produces changes in the hippocampus, striatum, amygdale or prefrontal cortex, it also affects the interaction among these systems. In both humans and rodents, the perturbations of these structures are associated to cognitive deficits. These cognitive alterations have been well correlated with changes in neural plasticity, the possible cellular substrate of memory and learning. Given that SP is strongly affected by early ID and the lasting-neurological consequences remain even after ID has been corrected, it is important to prevent ID as well as to seek effective therapeutic interventions that reduce or reverse the long-term effects of the ID in the nervous system. This review will give an overview of the literature on the effects of iron deficit in neuronal functions such as behavior, neurotransmission and SP. We also discuss our recent data about the possible oxidative effect of iron on the mechanisms involved in neural plasticity.

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Crossref · 10.1007/s10534-012-9550-x

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Authors
Muñoz, P., & Humeres, A.
Affiliations
  • University of Valparaíso (CL)
  • University of Chile (CL)
Corresponding author
Muñoz, Pablo
Venue
BioMetals
Published
2012-05-26
Volume
25
Issue
4
Pages
825-835
ISSN
  • 0966-0844 (ISSN-L)
  • 1572-8773
OpenAlex
W2008448431
Cited by
92
References
77
Citations by year
2026: 5 · 2025: 8 · 2024: 10 · 2023: 5 · 2022: 10 · 2021: 8 · 2020: 7 · 2019: 9 · 2018: 6 · 2017: 5 · 2016: 4 · 2015: 5 · 2014: 8 · 2013: 2
FWCI
3.17
Type
journal article
Language
en
Open access
Licence
Locations
  • BioMetals (publishedVersion)
  • PubMed (publishedVersion)
  • Universidad de Chile (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
  • Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
Keywords
iron deficiency, neuronal function, synaptic plasticity, oxidative stress, reactive oxygen species, neurodegenerative diseases, cognitive impairment, neuroplasticity, neurotransmission, myelination, synaptogenesis, hippocampus, prefrontal cortex, striatum, amygdala, iron deficiency anemia
MeSH terms
Iron Deficiencies, Animals, Cognition Disorders, Hippocampus, Humans, Iron, Neuronal Plasticity, Synapses, Calcium Signaling

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