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Analysis of Oxidative Stress in Zebrafish Embryos
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Oxidative Stress in Atherosclerosis.

Ajoe John Kattoor1, Naga Venkata K Pothineni1, Deepak Palagiri1

  • 1Cardiovascular Division, Central Arkansas Veterans Healthcare System and the University of Arkansas for Medical Sciences, Little Rock, AR, 72212, USA.

Current Atherosclerosis Reports
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Oxidative stress, driven by reactive oxygen species (ROS), is central to atherosclerosis. While past antioxidant supplements failed, new strategies targeting mitochondrial ROS and oxidized LDL show promise for treating this inflammatory vascular disease.

Keywords:
Anti-oxidantsAtherosclerosisLOX-1OxLDLOxidative stressReactive oxygen species

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Area of Science:

  • Cardiovascular Research
  • Oxidative Stress Biology
  • Inflammatory Disease Mechanisms

Background:

  • Atherosclerosis is recognized as a chronic inflammatory condition.
  • Excessive reactive oxygen species (ROS) generation causes oxidative stress, a key factor in atherosclerosis development.
  • Imbalances in oxidant/antioxidant mechanisms contribute to vascular injury.

Purpose of the Study:

  • To review the role of ROS and antioxidant mechanisms in atherosclerosis.
  • To examine the impact of oxidized low-density lipoprotein cholesterol.
  • To highlight potential antioxidant therapeutic strategies for atherosclerosis.

Main Methods:

  • Review of current scientific literature on ROS, oxidative stress, and atherosclerosis.
  • Analysis of traditional risk factors' link to oxidative stress.
  • Evaluation of past and emerging therapeutic approaches.

Main Results:

  • Traditional risk factors contribute to oxidative stress in atherosclerosis.
  • Previous antioxidant supplement trials were unsuccessful.
  • Emerging therapies include mitochondrial ROS scavengers, nanotechnology, gene therapy, and LOX-1 modulators.
  • Existing treatments like statins offer antioxidant benefits.

Conclusions:

  • Targeting specific ROS pathways, especially mitochondrial ROS, is a focus for new therapies.
  • Novel strategies are being developed to combat oxidative stress in atherosclerosis.
  • Further research aims to identify selective antioxidant therapies for vascular disease.