Regulation of signal transduction by reactive oxygen species in the cardiovascular system

David I Brown1, Kathy K Griendling2

  • 1From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA.

Circulation Research
|January 31, 2015
PubMed

Insights

Reactive oxygen species (ROS) are vital for cardiovascular signaling. Dysregulation of ROS pathways contributes to heart diseases like atherosclerosis and heart failure, guiding new therapeutic strategies.

Area of Science:

  • Cardiovascular Physiology
  • Molecular Biology
  • Oxidative Stress Research

Background:

  • Oxidative stress is a known factor in cardiovascular disease.
  • Reactive oxygen species (ROS) play crucial roles in normal physiological signaling within the cardiovascular system.
  • ROS signaling pathways are complex, compartmentalized, and involve specific molecular targets.

Purpose of the Study:

  • To review the current literature on ROS signaling in the cardiovascular system.
  • To focus on the physiological roles of ROS and their dysregulation in cardiovascular diseases.
  • To explore how ROS modulate key signaling pathways relevant to cardiovascular health and disease.

Main Methods:

  • Literature review of current research on ROS signaling in the cardiovascular system.
  • Analysis of studies investigating ROS modulation of specific cellular processes.
  • Synthesis of information on the link between ROS signaling dysregulation and cardiovascular pathologies.

Main Results:

  • ROS are integral to normal cardiovascular physiology, modulating pathways such as phenotypic modulation, migration, contractility, proliferation, angiogenesis, ER stress, apoptosis, and senescence.
  • Dysregulation of ROS signaling circuits contributes to the development and progression of cardiovascular diseases including atherosclerosis, ischemia-reperfusion injury, cardiomyopathy, and heart failure.
  • Specific molecular targets of ROS are being identified, offering insights into disease mechanisms.

Conclusions:

  • Understanding the precise targets of ROS in cardiovascular signaling is crucial.
  • Targeting ROS signaling pathways holds promise for developing novel therapies.
  • Future research may lead to improved treatments for cardiovascular diseases associated with oxidative stress.

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