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Assessing Iron Deposition in the Brains of 5xFAD Mice by Perls'/DAB Staining
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Published on: May 23, 2025

Iron in neuronal function and dysfunction.

Gabriela A Salvador1

  • 1Instituto de Investigaciones Bioquímicas de Bahía Blanca, Universidad Nacional del Sur and Consejo Nacional de Investigaciones Científicas y Técnicas, Bahía Blanca, Argentina. salvador@criba.edu.ar

Biofactors (Oxford, England)
|March 17, 2010
PubMed
Summary
This summary is machine-generated.

Excess iron in brain cells causes oxidative stress, contributing to neurodegenerative diseases like Alzheimer's and Parkinson's. Understanding iron's role is key to developing treatments for these conditions.

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Last Updated: Jun 15, 2026

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

  • Neurobiology
  • Metalloneurobiology
  • Cellular Biology

Background:

  • Iron (Fe) is vital for cellular functions but toxic in excess.
  • Excess intracellular iron generates reactive species, causing oxidative damage.
  • Iron accumulation in the brain is linked to aging and neurodegenerative diseases.

Purpose of the Study:

  • To investigate the role of iron in neuronal dysfunction and death.
  • To understand the mechanisms of iron-induced neurotoxicity in neurodegenerative diseases.
  • To highlight the importance of metalloneurobiology in studying iron's impact on brain health.

Main Methods:

  • Review of existing literature on iron metabolism and neurodegeneration.
  • Analysis of iron accumulation in aging and diseased brains.
  • Examination of neuronal protective mechanisms against oxidative stress.

Main Results:

  • Iron accumulation in the brain during aging and neurodegeneration is not matched by increased ferritin.
  • High iron concentrations are consistently found in Alzheimer's and Parkinson's disease brains.
  • Iron-induced oxidative stress is implicated in the pathogenesis of neurodegenerative disorders.

Conclusions:

  • Metalloneurobiology is crucial for understanding iron's role in neurodegenerative diseases.
  • Characterizing iron-induced neuronal dysfunction is essential for disease pathology.
  • Further research into iron toxicity mechanisms may reveal therapeutic targets.