2023
Chronic diastolic stretch unmasks conduction defects in an in vitro model of arrhythmogenic cardiomyopathy
Ng R, Gokhan I, Stankey P, Akar F, Campbell S. Chronic diastolic stretch unmasks conduction defects in an in vitro model of arrhythmogenic cardiomyopathy. AJP Heart And Circulatory Physiology 2023, 325: h1373-h1385. PMID: 37830983, PMCID: PMC10977872, DOI: 10.1152/ajpheart.00709.2022.Peer-Reviewed Original ResearchArrhythmogenic cardiomyopathyDiastolic stretchConduction deficitsConduction velocityIntensity of exerciseAction potential parametersDifferent time pointsDisease progressionHigh afterloadContractile functionHemodynamic parametersProgressive disorderUnderlying pathomechanismsArrhythmia vulnerabilityConduction defectsPhysiological shorteningHeart tissueConnexin 43Time pointsERK signalingCardiomyopathyLysosome activityCardiac cycleDesmosomal proteinsExercise
2014
Cardiac I-1c Overexpression With Reengineered AAV Improves Cardiac Function in Swine Ischemic Heart Failure
Ishikawa K, Fish KM, Tilemann L, Rapti K, Aguero J, Santos-Gallego CG, Lee A, Karakikes I, Xie C, Akar FG, Shimada YJ, Gwathmey JK, Asokan A, McPhee S, Samulski J, Samulski RJ, Sigg DC, Weber T, Kranias EG, Hajjar RJ. Cardiac I-1c Overexpression With Reengineered AAV Improves Cardiac Function in Swine Ischemic Heart Failure. Molecular Therapy 2014, 22: 2038-2045. PMID: 25023328, PMCID: PMC4429688, DOI: 10.1038/mt.2014.127.Peer-Reviewed Original ResearchConceptsIschemic heart failureHigh-dose groupHeart failureCardiac functionLarge anterior myocardial infarctionLeft ventricular ejection fractionPreload recruitable stroke workChronic heart failureAdvanced heart failureLow-dose groupVentricular ejection fractionAnterior myocardial infarctionActive inhibitor-1Ejection fractionIntracoronary injectionSaline groupContractility indexMyocardial infarctionPressure-volume analysisStroke volumeStroke workCardiac performanceHemodynamic parametersCardiovascular systemCardiac gene therapy