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Related Experiment Videos

Metals and neuroscience.

A I Bush1

  • 1Laboratory for Oxidation Biology, Genetics and Aging Unit, Massachusetts General Hospital East, Charlestown, MA 02129, USA. bush@helix.mgh.harvard.edu

Current Opinion in Chemical Biology
|April 1, 2000
PubMed
Summary
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Metallochemical reactions involving copper or iron may underlie neurodegenerative diseases like Alzheimer's and Parkinson's. Protein-metal interactions can generate harmful reactive oxygen species, contributing to disease pathology.

Area of Science:

  • Biochemistry
  • Neuroscience
  • Metallomics

Background:

  • Accumulating data suggest metallochemical reactions are a common factor in various diseases.
  • Diseases discussed include Alzheimer's, amyotrophic lateral sclerosis, prion diseases, cataracts, and Parkinson's.

Purpose of the Study:

  • To explore the role of metallochemical reactions as a unifying mechanism in neurodegenerative and other disorders.
  • To investigate the pro-oxidant potential of proteins interacting with redox-active metal ions.

Main Methods:

  • Review and synthesis of current research on metallochemical reactions in disease.
  • Analysis of the redox activity of proteins like Cu/Zn-superoxide dismutase, Abeta, and PrP.

Main Results:

Related Experiment Videos

  • Abnormal protein-metal ion (copper or iron) reactions promote reactive oxygen species formation and radicalization.
  • The antioxidant enzyme Cu/Zn-superoxide dismutase can exhibit pro-oxidant activity.
  • Proteins central to Alzheimer's (Abeta) and prion diseases (PrP) show similar redox activities.

Conclusions:

  • Metallochemical reactions represent a potential common pathogenic pathway for a range of debilitating diseases.
  • Understanding these metal-protein interactions is crucial for developing novel therapeutic strategies.