Cerebral microinfarct is emergency consequence of Alzheimer's disease: a new insight into development of neurodegenerative diseases

Mar 14, 2022International journal of biological sciences

Tiny brain strokes may be urgent results of Alzheimer's disease and help explain how brain disorders develop

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Abstract

Dysfunction of the glymphatic system may relate to the occurrence of Alzheimer's disease.

  • Imbalance of Aβ and tau protein production and clearance is a key factor in neuron degeneration and cognitive disorders.
  • Microinfarcts in the aging brain dramatically increase metabolic waste generation and hinder glymphatic system operation.
  • Disruption of microvascular and microstructural tissue integrity due to microinfarcts leads to Aβ deposition and tau phosphorylation.
  • Neurofibrillary tangles formed from Aβ and tau are associated with the pathology of Alzheimer's disease.
  • Enhancing glymphatic system function after microinfarcts could serve as a potential new strategy for Alzheimer's disease prevention and treatment.

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