2022
Humanized Dsp ACM Mouse Model Displays Stress-Induced Cardiac Electrical and Structural Phenotypes
Stevens TL, Manring HR, Wallace MJ, Argall A, Dew T, Papaioannou P, Antwi-Boasiako S, Xu X, Campbell SG, Akar FG, Borzok MA, Hund TJ, Mohler PJ, Koenig SN, El Refaey M. Humanized Dsp ACM Mouse Model Displays Stress-Induced Cardiac Electrical and Structural Phenotypes. Cells 2022, 11: 3049. PMID: 36231013, PMCID: PMC9562631, DOI: 10.3390/cells11193049.Peer-Reviewed Original ResearchConceptsArrhythmogenic cardiomyopathyMouse modelStructural phenotypesFibro-fatty infiltrationFirst mouse modelHeart failureChamber dilationVentricular arrhythmiasPressure overloadArrhythmic eventsCardiac performanceCardiac stressSudden deathCardiovascular stressInherited disorderG variantConnexin 43MiceDesmosomal genesReduced expressionExternal stressorsACM familyDisease developmentMurine equivalentIncomplete penetrance
2009
Mechanoelectrical remodeling and arrhythmias during progression of hypertrophy
Jin H, Chemaly ER, Lee A, Kho C, Hadri L, Hajjar RJ, Akar FG. Mechanoelectrical remodeling and arrhythmias during progression of hypertrophy. The FASEB Journal 2009, 24: 451-463. PMID: 19825979, PMCID: PMC2812033, DOI: 10.1096/fj.09-136622.Peer-Reviewed Original ResearchConceptsConduction delayLeft ventricular mechanical dysfunctionEnd-stage heart failureTissue levelsVentricular mechanical dysfunctionIncidence of arrhythmiasSudden cardiac deathZO-1Pressure overload hypertrophyAction potential prolongationProgression of hypertrophyDisease developmentLV dysfunctionCardiac deathDephosphorylation of Cx43Heart failureAortic bandingElectrical remodelingVentricular tachycardiaMechanical dysfunctionOverload hypertrophyElectrophysiological changesRat modelPotential prolongationProtein ZO-1
2007
Mitochondrial Ion Channels in Cardiac Function and Dysfunction
O'Rourke B, Cortassa S, Akar F, Aon M. Mitochondrial Ion Channels in Cardiac Function and Dysfunction. Novartis Foundation Symposia 2007, 287: 140-156. PMID: 18074636, PMCID: PMC2692520, DOI: 10.1002/9780470725207.ch10.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMitochondrial ion channelsIon channelsReactive oxygen species (ROS) signalsNumerous signaling pathwaysBurst of ROSMitochondrial networkMitochondrial physiologyPlasma membraneSpecies signalSignaling pathwaysCellular activitiesCellular targetsMitochondrial functionEnergy transductionMitochondriaVast modificationsPhysiological conditionsOrgan levelDisease developmentPotential therapeutic interventionsWidespread effectsImportant targetSurprising insightsKey roleCenter of organizations