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Oxidative stress-induced ischemic heart disease: protection by antioxidants

Debashis Bandyopadhyay1, Aindrila Chattopadhyay, Goutam Ghosh

  • 1Department of Life Science and Biotechnology, Jadavpur University, Kolkata-700 032, India.

Current Medicinal Chemistry
|February 18, 2004
PubMed

Insights

Reactive oxygen species contribute to heart disease by causing oxidative myocardial damage. This review explores antioxidant defenses and potential treatments like ischemic pre-conditioning and novel drug therapies for ischemic heart disease.

Area of Science:

  • Cardiology
  • Biochemistry
  • Pathophysiology

Background:

  • Heart disease is a leading global health issue.
  • Reactive oxygen species (ROS) are implicated in oxidative myocardial damage and cardiac malfunction.

Purpose of the Study:

  • To review current knowledge on oxygen free radicals in ischemic heart disease.
  • To discuss mechanisms of oxidative myocardial damage and antioxidant defenses.
  • To explore protective strategies including pre-conditioning, antioxidants, and cardioprotective drugs.

Main Methods:

  • Comprehensive literature review.
  • Analysis of mechanisms of oxidative stress in the heart.
  • Evaluation of endogenous and exogenous antioxidant systems.
  • Discussion of therapeutic interventions.

Main Results:

  • Free radicals, specifically ROS, are central to the pathogenesis of ischemic heart disease.
  • Oxidative damage leads to impaired cardiac function.
  • Both endogenous and exogenous antioxidant systems play a crucial role in mitigating damage.

Conclusions:

  • Understanding oxidative stress is key to treating ischemic heart disease.
  • Ischemic pre-conditioning, antioxidants, and specific drugs show cardioprotective potential.
  • Future research should focus on combinatorial therapeutics for effective treatment.

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