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Chelating agents for neurodegenerative diseases.

R J Ward1, D T Dexter, R R Crichton

  • 1Universite Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium. wardrobertaj@gmail.com

Current Medicinal Chemistry
|April 12, 2012
PubMed
Summary

Metal ion imbalance in the brain, particularly copper, iron, and zinc, is linked to neurodegenerative diseases. Chelation therapy offers a potential treatment by removing excess metals, including strategies for brain-penetrating chelators.

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Pharmacology

Background:

  • Metal ion homeostasis (copper, iron, zinc) is crucial for brain function.
  • Dysregulation and accumulation of these metals are implicated in neurodegenerative diseases.
  • Chelation therapy is a potential therapeutic strategy for these conditions.

Purpose of the Study:

  • To review the role of metal ion homeostasis in neurodegeneration.
  • To discuss the potential of chelation therapy for brain disorders.
  • To explore strategies for developing blood-brain-barrier-penetrating chelators.

Main Methods:

  • Literature review of metal ion homeostasis in aging and neurodegenerative diseases.
  • Analysis of current chelating agents and their limitations.
  • Discussion of novel chelator development strategies.

Main Results:

  • Iron, copper, and zinc dyshomeostasis is observed in aging and neurodegenerative conditions like Parkinson's and Alzheimer's disease.
  • Existing chelators have limitations in crossing the blood-brain-barrier.
  • New strategies are being developed to enhance chelator brain penetration.

Conclusions:

  • Chelation therapy holds promise for treating neurodegenerative diseases linked to metal ion dyshomeostasis.
  • Targeted development of brain-penetrating chelators is essential for effective treatment.
  • Further research is needed to optimize chelation strategies for specific neurodegenerative conditions.