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Myeloperoxidase and coronary arterial disease: from research to clinical practice

Raquel Melchior Roman1, Andrea Elisabet Wendland, Carisi Anne Polanczyk

  • 1Departamento de Cardiologia, Hospital São Vicente de Paulo, Passo Fundo-RS.

Arquivos Brasileiros De Cardiologia
|July 29, 2008
PubMed

Insights

Myeloperoxidase (MPO) is an enzyme linked to inflammation and cardiovascular disease progression. While MPO levels show predictive value in acute coronary syndrome, further research is needed for consistent clinical use.

Area of Science:

  • Biochemistry
  • Cardiology
  • Inflammation research

Background:

  • Myeloperoxidase (MPO) is a leukocyte-derived enzyme catalyzing reactive oxidant species formation.
  • These oxidants contribute to tissue injury during inflammation and play a role in cardiovascular disease.
  • MPO is implicated in proatherogenic activities throughout the atherosclerotic process.

Purpose of the Study:

  • To review the biological actions and clinical evidence linking MPO to coronary arterial disease.
  • To evaluate MPO as a potential prognostic and therapeutic target in atherosclerotic cardiovascular disease.

Main Methods:

  • Review of current literature on MPO's biological functions.
  • Analysis of clinical studies investigating MPO levels in cardiovascular disease.
  • Assessment of MPO's predictive value in acute coronary syndrome and cardiovascular risk.

Main Results:

  • MPO levels independently correlate with disease progression and events in acute coronary syndrome patients.
  • The additional predictive value of MPO for cardiovascular risk assessment remains inconsistent.
  • MPO's role as a marker for plaque vulnerability requires further validation.

Conclusions:

  • MPO is a significant factor in the inflammatory cascade of cardiovascular disease.
  • Standardization of MPO assays is crucial for its transition from research to clinical practice.
  • Further studies are necessary to confirm MPO's role across various ischemic disease presentations.

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