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Oxidative stress in mild cognitive impairment and Alzheimer disease: a continuum

Patrizia Mecocci1

  • 1Sezione di Gerontologia e Geriatria, Dipartimento di Medicina Clinica e Sperimentale, Policlinico Monteluce-Padiglione E, via Brunamonti, 51, 06122 Perugia, Italy. mecocci@unipg.it

Journal of Alzheimer'S Disease : JAD
|April 21, 2004
PubMed

Insights

Oxidative stress is present in Mild Cognitive Impairment (MCI), indicated by a weakened antioxidant defense system. Early antioxidant intervention in MCI may help prevent Alzheimer

Area of Science:

  • Neuroscience
  • Biochemistry
  • Pathology

Background:

  • Alzheimer's disease (AD) pathogenesis involves oxidative stress.
  • Evidence linking free radicals to Mild Cognitive Impairment (MCI) is limited.
  • MCI is a significant risk factor for developing AD.

Purpose of the Study:

  • To investigate the role of oxidative stress in MCI.
  • To examine the antioxidant defense system in MCI patients.
  • To review early oxidative processes in Alzheimer's-type dementia development.

Main Methods:

  • Analysis of antioxidant defense system components.
  • Review of existing scientific literature on oxidative stress in early dementia.

Main Results:

  • A significant decrease in key antioxidant defense components was observed in MCI.
  • This finding supports the presence of oxidative stress in MCI.
  • Oxidative processes are implicated early in the development of Alzheimer's-type disorders.

Conclusions:

  • MCI is characterized by a state of oxidative stress.
  • Antioxidant strategies in MCI could be crucial for Alzheimer's disease prevention.
  • Further research into antioxidant therapies for MCI is warranted.

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