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Updated: May 22, 2026

Assessing Iron Deposition in the Brains of 5xFAD Mice by Perls'/DAB Staining
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Assessing Iron Deposition in the Brains of 5xFAD Mice by Perls'/DAB Staining

Published on: May 23, 2025

Iron deficiency on neuronal function.

Pablo Muñoz1, Alexis Humeres

  • 1Centro Interdisciplinario de Neurociencias de Valparaíso, Universidad de Valparaíso, Valparaiso, Chile. pablo.munoz@cinv.cl

Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
|May 29, 2012
PubMed
Summary
This summary is machine-generated.

Iron deficiency (ID) impairs brain functions like synaptic plasticity and behavior, causing lasting cognitive deficits. Early prevention and therapeutic interventions are crucial to mitigate these neurological effects.

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Last Updated: May 22, 2026

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Setup of Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry (CE-ICP-MS) for Quantification of Iron Redox Species (Fe(II), Fe(III))
04:48

Setup of Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry (CE-ICP-MS) for Quantification of Iron Redox Species (Fe(II), Fe(III))

Published on: May 4, 2020

Area of Science:

  • Neuroscience
  • Biochemistry
  • Developmental Biology

Background:

  • Iron's dual role: catalyzes reactive oxygen species (oxidative stress) but is vital for brain functions.
  • Iron deficiency (ID) negatively impacts myelination, synaptogenesis, behavior, and synaptic plasticity (SP).
  • ID affects key brain regions (hippocampus, striatum, amygdala, prefrontal cortex) and their interactions.

Purpose of the Study:

  • To review the effects of iron deficiency on neuronal functions.
  • To discuss the impact of ID on behavior, neurotransmission, and synaptic plasticity.
  • To explore potential oxidative mechanisms of iron in neural plasticity.

Main Methods:

  • Literature review of studies on iron deficiency and brain function in humans and rodents.
  • Analysis of cognitive deficits associated with structural brain changes in ID.
  • Discussion of recent data on iron's oxidative effects on neural plasticity.

Main Results:

  • Iron deficiency leads to cognitive deficits correlated with altered neural plasticity.
  • Neurological consequences of early ID persist even after iron repletion.
  • ID affects multiple brain systems and their interconnections, impacting overall brain function.

Conclusions:

  • Iron is essential for normal brain development and function, particularly synaptic plasticity.
  • Early iron deficiency can cause long-lasting neurological and cognitive impairments.
  • Preventing ID and developing interventions to reverse its effects are critical for brain health.