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Oxygen-Glucose Deprivation and Reoxygenation as an In Vitro Ischemia-Reperfusion Injury Model for Studying Blood-Brain Barrier Dysfunction
08:56

Oxygen-Glucose Deprivation and Reoxygenation as an In Vitro Ischemia-Reperfusion Injury Model for Studying Blood-Brain Barrier Dysfunction

Published on: May 7, 2015

Endothelium, ischemia and the good side of oxygen free radicals

S Grotti1, T Gori

  • 1Dipartimento di Medicina Interna, Cardiovascolare e Geriatrica, Università degli Studi di Siena, Siena, Italy.

Clinical Hemorheology and Microcirculation
|May 27, 2008
PubMed

Insights

Endothelial dysfunction contributes to atherosclerosis and infarction size. Reactive oxygen species play a key role in endothelial protection and injury, highlighting potential therapeutic targets for ischemia and reperfusion.

Area of Science:

  • Cardiovascular Pathophysiology
  • Endothelial Biology
  • Reactive Oxygen Species

Background:

  • Endothelial (dys)function and tissue ischemia have a bidirectional relationship.
  • Endothelial dysfunction is crucial in coronary atherosclerosis progression and instabilization.
  • The endothelium is highly sensitive to ischemia and reperfusion injury, impacting infarction size.

Purpose of the Study:

  • To explore the role of reactive oxygen species (ROS) in endothelial protection and injury.
  • To discuss the clinical implications of protecting the endothelium from ischemia.
  • To present findings on endothelial preconditioning and its relation to ROS.

Main Methods:

  • Review of pathophysiological studies on endothelial function and ischemia.
  • Discussion of the role of reactive oxygen species in endothelial toxicity and protection.
  • Considerations presented at the European Society of Clinical Hemorheology and Microcirculation conference.

Main Results:

  • Reactive oxygen species mediate toxic effects of risk factors on the endothelium.
  • Reactive oxygen species are involved in reperfusion injury.
  • Reactive oxygen species play a role in endothelial preconditioning, reducing ischemia/reperfusion sensitivity.

Conclusions:

  • Protecting the endothelium from ischemia has significant clinical potential.
  • Understanding the dual role of ROS in endothelial damage and protection is critical.
  • Endothelial preconditioning, influenced by ROS, offers a protective mechanism against ischemic injury.

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