Menadione-Induced Oxidative Stress in Bovine Heart Microvascular Endothelial Cells

Wilhelm Kossenjans, Zbigniew Rymaszewski, Jerzy Barankiewicz, Albert Bobst, Muhammad Ashraf

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Objective: Oxidative stress from increased production of reactive oxygen species or decreased efficiency of inhibitory and scavenger systems may contribute to vascular injury. In this study, we developed an in vitro model of vascular injury by menadione-induced oxidative stress in bovine heart microvascular endothelial cells. Methods: Oxidative stress was induced by exposure to menadione. Superoxide, hydrogen peroxide and hydroxyl radical formation was measured by superoxide dismutase-inhibitable cytochrome c reduction, the dichlorofluorescin technique and the salicylate method, respectively. Electron paramagnetic-spin resonance spectroscopy employing 5-5′-dimethyl-l-pyrroline-N-oxide for superoxide trapping was used. Endothelial cell cytotoxicity was assessed by lactate dehydrogenase release. Results: Superoxide and hydroxyl radical were produced in a time- and concentration-dependent fashion. Fluorescence in the presence of dichlorofluorescin confirmed hydrogen peroxide formation. Endothelial cell cytotoxicity became evident after 5 h of menadione treatment at concentrations of 100 μM. 3-Aminobemamide, a poly(ADP-ribose)polymerase inhibitor, and dimethylthiourea, a hydrogen peroxide and hydroxyl radical scavenger, decreased menadione cytotoxicity, whereas deferoxamine, an inhibitor of hydroxyl radical formation, did not. Conclusions: The results suggest that menadione toxicity is mediated by poly(ADP-ribose)polymerase activation via hydrogen peroxide formation and that menadione-treated bovine heart microvessel endothelial cells provide a suitable in vitro model to study oxidative stress in endothelial cells.

Original languageEnglish (US)
Pages (from-to)39-47
Number of pages9
JournalMicrocirculation
Volume3
Issue number1
DOIs
StatePublished - Mar 1996
Externally publishedYes

Fingerprint

Vitamin K 3
Oxidative Stress
Endothelial Cells
Hydroxyl Radical
Hydrogen Peroxide
Superoxides
Vascular System Injuries
Electron Spin Resonance Spectroscopy
Deferoxamine
Poly(ADP-ribose) Polymerases
Salicylates
Microvessels
Cytochromes c
L-Lactate Dehydrogenase
Superoxide Dismutase
Reactive Oxygen Species
Fluorescence

Keywords

  • Bovine heart microvascular endothelial cells
  • Menadione toxicity
  • Oxidative stress
  • Poly(ADP-ribose)polymerase
  • Reactive oxygen species

ASJC Scopus subject areas

  • Physiology
  • Molecular Biology
  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Menadione-Induced Oxidative Stress in Bovine Heart Microvascular Endothelial Cells. / Kossenjans, Wilhelm; Rymaszewski, Zbigniew; Barankiewicz, Jerzy; Bobst, Albert; Ashraf, Muhammad.

In: Microcirculation, Vol. 3, No. 1, 03.1996, p. 39-47.

Research output: Contribution to journalArticle

Kossenjans, Wilhelm ; Rymaszewski, Zbigniew ; Barankiewicz, Jerzy ; Bobst, Albert ; Ashraf, Muhammad. / Menadione-Induced Oxidative Stress in Bovine Heart Microvascular Endothelial Cells. In: Microcirculation. 1996 ; Vol. 3, No. 1. pp. 39-47.
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