2011
Biophysical properties and functional consequences of reactive oxygen species (ROS)‐induced ROS release in intact myocardium
Biary N, Xie C, Kauffman J, Akar FG. Biophysical properties and functional consequences of reactive oxygen species (ROS)‐induced ROS release in intact myocardium. The Journal Of Physiology 2011, 589: 5167-5179. PMID: 21825030, PMCID: PMC3225672, DOI: 10.1113/jphysiol.2011.214239.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntioxidantsArrhythmias, CardiacCyclosporineDiazepamEthidiumFluorescenceFluorescent DyesHydrogen PeroxideIn Vitro TechniquesIntracellular MembranesMitochondrial Membrane Transport ProteinsMitochondrial Permeability Transition PoreMyocardiumOrganometallic CompoundsOxidantsOxidative StressRatsSalicylatesSuperoxidesVoltage-Dependent Anion ChannelsConceptsIncidence of arrhythmiasIntact myocardiumOxidative stressMitochondrial permeability transition poreReactive oxygen speciesSustained ventricular tachycardiaROS releaseExposure of heartsGlobal oxidative stressPerfusion of heartsSuperoxide dismutase/catalase mimetic EUK-134Functional consequencesOS protocolArrhythmia scoreAcute modelDihydroethidium fluorescenceUntreated heartsVentricular tachycardiaVentricular fibrillationOxygen speciesArrhythmic consequencesElevated ROS levelsRat heartEUK-134Perfusion
2005
The mitochondrial origin of postischemic arrhythmias
Akar FG, Aon MA, Tomaselli GF, O'Rourke B. The mitochondrial origin of postischemic arrhythmias. Journal Of Clinical Investigation 2005, 115: 3527-3535. PMID: 16284648, PMCID: PMC1280968, DOI: 10.1172/jci25371.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAnionsArrhythmias, CardiacDose-Response Relationship, DrugElectrophysiologyGuinea PigsHeartIntracellular MembranesIon ChannelsIschemiaMembrane PotentialsMicroscopy, ConfocalMitochondria, HeartMyocardial IschemiaMyocardial ReperfusionMyocardial Reperfusion InjuryMyocardiumMyocytes, CardiacOscillometryReactive Oxygen SpeciesReceptors, GABA-AReperfusion InjuryTemperatureTime FactorsConceptsAction potentialsVentricular fibrillationPostischemic functional recoveryIschemic heart diseaseGuinea pig heartsNew therapeutic targetsAbnormal electrical activationPostischemic arrhythmiasReperfusion arrhythmiasFunctional recoveryGlobal ischemiaHeart diseaseBolus infusionArrhythmia preventionElectrophysiological changesAP shorteningControl heartsPostischemic heartsBenzodiazepine receptorsElectrophysiological substrateTherapeutic targetArrhythmiasReperfusionPig heartsMitochondrial benzodiazepine receptor