2023
Fibroblast activation protein: Pivoting cancer/chemotherapeutic insight towards heart failure
Gehris J, Ervin C, Hawkins C, Womack S, Churillo A, Doyle J, Sinusas A, Spinale F. Fibroblast activation protein: Pivoting cancer/chemotherapeutic insight towards heart failure. Biochemical Pharmacology 2023, 219: 115914. PMID: 37956895, PMCID: PMC10824141, DOI: 10.1016/j.bcp.2023.115914.Peer-Reviewed Original ResearchMeSH KeywordsExtracellular MatrixFibroblastsHeart FailureHumansMyocardiumNeoplasmsVentricular RemodelingConceptsFibroblast activation proteinExtracellular matrixCancer progressionFibroblast subtypesProtein signaturesECM structureEnzyme pathwaysActivation proteinTherapeutic targetImportant mechanismFibroblastsProliferationFibroblast growthProteinProgressionPathwayRemodelingFunctionCancerDiscoveryChemotherapeuticsMultiaxial pressure-strain analysis of regional myocardial work in the setting of graded coronary stenoses and dobutamine stress
Stendahl J, Liu Z, Boutagy N, Parajuli N, Lu A, Alkhalil I, Lin B, Duncan J, Sinusas A. Multiaxial pressure-strain analysis of regional myocardial work in the setting of graded coronary stenoses and dobutamine stress. AJP Heart And Circulatory Physiology 2023, 325: h492-h509. PMID: 37417870, PMCID: PMC10538990, DOI: 10.1152/ajpheart.00735.2022.Peer-Reviewed Original ResearchConceptsLow-dose dobutaminePressure-strain loopsCoronary stenosisMyocardial workRegional myocardial workPressure-strain analysisDobutamine stressBlood flowLow-dose dobutamine stressInvasive hemodynamic monitoringMid-left anteriorLow cardiac outputRegional myocardial blood flowCoronary blood flowIschemic heart diseasePresence of ischemiaMyocardial work indexModerate coronary stenosisMyocardial blood flowOpen-chest modelEjection of bloodInotropic supportPressure-strain relationshipHemodynamic monitoringCardiac outputImprovement in cardiac function and regional LV strain following intramyocardial injection of a theranostic hydrogel early postmyocardial infarction in a porcine model
Avendaño R, Midgett D, Melvinsdottir I, Thorn S, Uman S, Pickell Z, Lee S, Liu Z, Mamarian M, Duncan J, Spinale F, Burdick J, Sinusas A. Improvement in cardiac function and regional LV strain following intramyocardial injection of a theranostic hydrogel early postmyocardial infarction in a porcine model. Journal Of Applied Physiology 2023, 135: 405-420. PMID: 37318987, PMCID: PMC10538987, DOI: 10.1152/japplphysiol.00342.2022.Peer-Reviewed Original ResearchConceptsMyocardial infarctionIntramyocardial deliveryLV hemodynamicsControl groupFunctional indexEarly post-myocardial infarctionSystolic functional indicesMyocardial performance indexAnterolateral myocardial infarctionLeft anterior descendingPressure-volume loop areaLeft ventricular remodelingGlobal LV functionLV functional changesPost-myocardial infarctionSupply/demand ratioRegional LV strainHydrogel groupTei indexEjection fractionHeart failureAnterior descendingCircumflex arteryLV functionAortic pressure
2019
Application of Hybrid Matrix Metalloproteinase-Targeted and Dynamic 201Tl Single-Photon Emission Computed Tomography/Computed Tomography Imaging for Evaluation of Early Post-Myocardial Infarction Remodeling
Thorn SL, Barlow SC, Feher A, Stacy MR, Doviak H, Jacobs J, Zellars K, Renaud JM, Klein R, deKemp RA, Khakoo AY, Lee T, Spinale FG, Sinusas AJ. Application of Hybrid Matrix Metalloproteinase-Targeted and Dynamic 201Tl Single-Photon Emission Computed Tomography/Computed Tomography Imaging for Evaluation of Early Post-Myocardial Infarction Remodeling. Circulation Cardiovascular Imaging 2019, 12: e009055. PMID: 31707811, PMCID: PMC7250243, DOI: 10.1161/circimaging.119.009055.Peer-Reviewed Original ResearchConceptsMyocardial blood flowSingle photon emissionBlood flowRecombinant TIMP-3Matrix metalloproteinasesR injuryTomography/Intracoronary deliveryMMP activationPost-myocardial infarction remodelingSubsequent left ventricular remodelingHybrid single-photon emissionDual-isotope single-photon emissionTomography/Computed Tomography ImagingLeft ventricular remodelingIschemia/reperfusionPost-MI remodelingPost-myocardial infarctionComputed tomography (CT) imagingIntracoronary infusionVentricular functionSaline groupVentricular remodelingNoninvasive evaluationTreatment groups
2001
Comparison of Tl-201 with Tc-99m–labeled myocardial perfusion agents: Technical, physiologic, and clinical issues
Kailasnath P, Sinusas A. Comparison of Tl-201 with Tc-99m–labeled myocardial perfusion agents: Technical, physiologic, and clinical issues. Journal Of Nuclear Cardiology 2001, 8: 482-498. PMID: 11481571, DOI: 10.1067/mnc.2001.115078.Peer-Reviewed Original Research
1999
Regulation of myocardial glucose uptake and transport during ischemia and energetic stress
Young L, Russell R, Yin R, Caplan M, Ren J, Bergeron R, Shulman G, Sinusas A. Regulation of myocardial glucose uptake and transport during ischemia and energetic stress. The American Journal Of Cardiology 1999, 83: 25-30. PMID: 10750583, DOI: 10.1016/s0002-9149(99)00253-2.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsEnergetic stressEnergy-generating metabolic pathwaysMonophosphate-activated protein kinaseGlucose uptakeGlucose transport proteinProtein kinaseTransporter translocationTransport proteinsMolecular mechanismsMetabolic pathwaysCardiac glucose uptakeGlucose transporterCellular mechanismsGlucose transportFuel gaugeKinaseTranslocationGlucose entryModerate regional ischemiaSubsequent metabolismGlucose utilization increasesImportant roleUptakeGLUT4Stress
1997
Low-flow ischemia leads to translocation of canine heart GLUT-4 and GLUT-1 glucose transporters to the sarcolemma in vivo.
Young L, Renfu Y, Russell R, Hu X, Caplan M, Ren J, Shulman G, Sinusas A. Low-flow ischemia leads to translocation of canine heart GLUT-4 and GLUT-1 glucose transporters to the sarcolemma in vivo. Circulation 1997, 95: 415-22. PMID: 9008459, DOI: 10.1161/01.cir.95.2.415.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological TransportDogsFluorescent Antibody TechniqueGlucose Transporter Type 1Glucose Transporter Type 4HeartIntracellular MembranesMonosaccharide Transport ProteinsMuscle ProteinsMyocardial IschemiaMyocardiumRegional Blood FlowSarcolemmaSubcellular FractionsTissue Distribution
1995
Kinetic analysis of technetium-99m-labeled nitroimidazole (BMS-181321) as a tracer of myocardial hypoxia.
Ng C, Sinusas A, Zaret B, Soufer R. Kinetic analysis of technetium-99m-labeled nitroimidazole (BMS-181321) as a tracer of myocardial hypoxia. Circulation 1995, 92: 1261-8. PMID: 7648674, DOI: 10.1161/01.cir.92.5.1261.Peer-Reviewed Original Research
1994
Does myocardial free fatty acid metabolism predict subsequent mechanical dysfunction associated with cardiomyopathy?
Sinusas A. Does myocardial free fatty acid metabolism predict subsequent mechanical dysfunction associated with cardiomyopathy? Journal Of Nuclear Cardiology 1994, 1: 218-220. PMID: 9420690, DOI: 10.1007/bf02984095.Peer-Reviewed Original Research
1984
Pathoanatomic correlates of regional left ventricular wall motion assessed by equilibrium radionuclide angiocardiography: A postmortem correlation
Sinusas A, Hardin N, Clements J, Wackers F. Pathoanatomic correlates of regional left ventricular wall motion assessed by equilibrium radionuclide angiocardiography: A postmortem correlation. The American Journal Of Cardiology 1984, 54: 975-981. PMID: 6496360, DOI: 10.1016/s0002-9149(84)80128-9.Peer-Reviewed Original ResearchConceptsAbnormal regional wall motionRegional wall motionPostmortem findingsPathoanatomic correlatesEquilibrium radionuclideLeft bundle branch blockNormal regional wall motionGross myocardial lesionsLeft ventricular wall motionBundle branch blockLeft ventricular segmentsRegional left ventricular wall motionVentricular wall motionFalse-negative segmentsCoronary arterySevere stenosisMyocardial infarctionNontransmural infarctionBranch blockVentricular segmentsWall motionMyocardial lesionsPatientsPredictive valueAbnormal segments