Cellular aspects of the inflammatory response in Alzheimer's disease

R N Kalaria1, D L Cohen, D R Premkumar

  • 1Department of Neurology, Neurosciences and Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.

Insights

Alzheimer's disease involves brain amyloid beta protein buildup, triggering inflammation and microglia activation. Targeting these inflammatory and microglial responses may offer new therapeutic strategies for Alzheimer's disease.

Area of Science:

  • Neuroscience
  • Immunology
  • Pathology

Background:

  • Alzheimer's disease (AD) is characterized by cerebral amyloid beta (Aβ) protein deposition.
  • Aβ deposition triggers a local acute phase inflammatory response in the brain.

Purpose of the Study:

  • To elucidate the role of microglia in the inflammatory response to Aβ deposition in AD.
  • To identify potential therapeutic targets for mitigating neuronal damage in AD.

Main Methods:

  • Review of current evidence on molecular and cellular events in AD pathogenesis.
  • Analysis of the role of microglia and inflammatory mediators.

Main Results:

  • Microglia orchestrate the cellular response to Aβ deposition.
  • Microglia contribute to neuronal damage through reactive oxygen species and proteolytic enzymes.
  • The inflammatory response involves various immune system mediators.

Conclusions:

  • Targeting complement activation and microglial-mediated oxidative damage are rational therapeutic strategies for AD.
  • Anti-inflammatory approaches hold promise for treating Alzheimer's disease.

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