The role of myeloperoxidase in the pathogenesis of stroke

Wei Liu1, Yi-Ran Wang1, Hongyun Wu2

  • 1First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China.

Brain Research
|May 16, 2025
PubMed

Insights

Myeloperoxidase (MPO) contributes to stroke by damaging blood vessels and brain tissue through inflammation and oxidative stress. Targeting MPO offers potential new treatments for stroke.

Area of Science:

  • Biochemistry
  • Pathology
  • Neuroscience

Background:

  • Stroke is a major global health issue.
  • Myeloperoxidase (MPO), an enzyme from neutrophils, promotes inflammation and oxidative stress.
  • MPO damages blood vessels, contributing to stroke development and severity.

Purpose of the Study:

  • To review the role of MPO in stroke pathogenesis.
  • To explore MPO's mechanisms in vascular injury, neuroinflammation, and BBB disruption.
  • To discuss MPO-targeted therapies for stroke.

Main Methods:

  • Literature review of MPO's role in stroke.
  • Analysis of MPO's molecular structure and cellular localization.
  • Examination of MPO's involvement in oxidative stress and neuroinflammation.

Main Results:

  • MPO exacerbates cerebral tissue damage post-stroke.
  • MPO is implicated in vascular injury, NET formation, oxidative stress, neuroinflammation, BBB disruption, and neuronal apoptosis.
  • MPO is a reliable prognostic indicator for stroke.

Conclusions:

  • MPO is a key factor in stroke pathogenesis.
  • Understanding MPO's role is crucial for developing effective stroke treatments.
  • MPO-targeted drugs and Traditional Chinese Medicine show therapeutic potential for stroke.

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