2017
MIF family cytokines in cardiovascular diseases and prospects for precision-based therapeutics
Tilstam PV, Qi D, Leng L, Young L, Bucala R. MIF family cytokines in cardiovascular diseases and prospects for precision-based therapeutics. Expert Opinion On Therapeutic Targets 2017, 21: 671-683. PMID: 28562118, PMCID: PMC6130320, DOI: 10.1080/14728222.2017.1336227.BooksConceptsMacrophage migration inhibitory factorMIF family membersCardiovascular diseaseFamily cytokinesTherapeutic opportunitiesIschemia-reperfusion injuryChemokine-like functionsMigration inhibitory factorNovel therapeutic opportunitiesPro-survival mediatorsFamily membersInflammatory pathogenesisMyocardial infarctionMyocardial ischemiaClinical studiesPleiotropic cytokineImmune systemInhibitory factorReceptor pathwayCytokinesDiseaseMIF-2Active investigationMIF familyClinical translation
2015
AMPK: energy sensor and survival mechanism in the ischemic heart
Qi D, Young LH. AMPK: energy sensor and survival mechanism in the ischemic heart. Trends In Endocrinology And Metabolism 2015, 26: 422-429. PMID: 26160707, PMCID: PMC4697457, DOI: 10.1016/j.tem.2015.05.010.BooksConceptsIschemic heartAMPK activationEndoplasmic reticulum stressFatty acid metabolismCardioprotective strategiesContractile dysfunctionMyocardial infarctionMyocardial ischemiaPotential therapeutic applicationsVascular diseaseMyocardial necrosisPharmacological activationReticulum stressAcid metabolismProtein kinaseIschemiaMitochondrial functionEnergy sensorCellular metabolismSurvival mechanismCritical regulatorActivationHeartNovel mechanismTherapeutic applications
2011
SCREENING ASYMPTOMATIC PATIENTS WITH TYPE 2 DIABETES FOR SILENT MYOCARDIAL ISCHEMIA: IMPORTANT GENDER DIFFERENCES FROM THE DETECTION OF ISCHEMIA IN ASYMPTOMATIC DIABETICS (DIAD) STUDY
Tandon S, Bansal S, Inzucchi S, Staib L, Davey J, Chyun D, Young L, Wackers F. SCREENING ASYMPTOMATIC PATIENTS WITH TYPE 2 DIABETES FOR SILENT MYOCARDIAL ISCHEMIA: IMPORTANT GENDER DIFFERENCES FROM THE DETECTION OF ISCHEMIA IN ASYMPTOMATIC DIABETICS (DIAD) STUDY. Journal Of The American College Of Cardiology 2011, 57: e745. DOI: 10.1016/s0735-1097(11)60745-6.Peer-Reviewed Original Research
2007
Resolution of Asymptomatic Myocardial Ischemia in Patients With Type 2 Diabetes in the Detection of Ischemia in Asymptomatic Diabetics (DIAD) Study
Wackers FJ, Chyun DA, Young LH, Heller GV, Iskandrian AE, Davey JA, Barrett EJ, Taillefer R, Wittlin SD, Filipchuk N, Ratner RE, Inzucchi SE. Resolution of Asymptomatic Myocardial Ischemia in Patients With Type 2 Diabetes in the Detection of Ischemia in Asymptomatic Diabetics (DIAD) Study. Diabetes Care 2007, 30: 2892-2898. PMID: 17682123, DOI: 10.2337/dc07-1250.Peer-Reviewed Original ResearchConceptsResolution of ischemiaType 2 diabetesDetection of ischemiaNew ischemiaAsymptomatic Diabetics (DIAD) studyCardiovascular risk factorsAsymptomatic myocardial ischemiaAdenosine stress myocardial perfusionRepeat stressIschemia increasesAsymptomatic patientsCardiac eventsMore patientsACE inhibitorsMyocardial ischemiaRisk factorsIntensive treatmentDiabetic studyIschemiaMyocardial perfusionPatientsMedical treatmentDiabetesInitial evaluationGreater increase
2006
Value of peripheral vascular endothelial function in the detection of relative myocardial ischemia in asymptomatic type 2 diabetic patients who underwent myocardial perfusion imaging
Papaioannou GI, Kasapis C, Seip RL, Grey NJ, Katten D, Wackers FJ, Inzucchi SE, Engel S, Taylor A, Young LH, Chyun DA, Davey JA, Iskandrian AE, Ratner RE, Robinson EC, Carolan S, Heller GV. Value of peripheral vascular endothelial function in the detection of relative myocardial ischemia in asymptomatic type 2 diabetic patients who underwent myocardial perfusion imaging. Journal Of Nuclear Cardiology 2006, 13: 362-368. PMID: 16750781, DOI: 10.1016/j.nuclcard.2006.01.022.Peer-Reviewed Original ResearchConceptsEndothelium-dependent vasodilationEndothelium-independent vasodilationCoronary artery diseaseMyocardial perfusion imagingRelative myocardial ischemiaAsymptomatic patientsEndothelial functionNegative predictive valueMyocardial ischemiaAsymptomatic type 2 diabetic patientsExclusion of CADPredictive valueAdenosine myocardial perfusion imagingPeripheral vascular endothelial functionType 2 diabetic patientsType 2 diabetes mellitusHigh negative predictive valueAsymptomatic Diabetics (DIAD) studyBrachial artery ultrasonographyVascular endothelial functionDetection of ischemiaEDV responseRelative ischemiaEndothelial dysfunctionOvert atherosclerosis
2004
AMP-activated protein kinase mediates ischemic glucose uptake and prevents postischemic cardiac dysfunction, apoptosis, and injury
Russell RR, Li J, Coven DL, Pypaert M, Zechner C, Palmeri M, Giordano FJ, Mu J, Birnbaum MJ, Young LH. AMP-activated protein kinase mediates ischemic glucose uptake and prevents postischemic cardiac dysfunction, apoptosis, and injury. Journal Of Clinical Investigation 2004, 114: 495-503. PMID: 15314686, PMCID: PMC503766, DOI: 10.1172/jci19297.Peer-Reviewed Original ResearchConceptsLow-flow ischemiaGlucose uptakePostischemic reperfusionWT heartsLeft ventricular dPNormal fractional shorteningLV contractile functionPostischemic cardiac dysfunctionInsulin-stimulated glucose uptakeImportant protective roleLong-term inhibitionFatty acid oxidationFractional shorteningHeart failureVentricular dPCardiac consequencesCardiac dysfunctionCaspase-3 activityMyocardial ischemiaContractile functionReperfusionCardiac hypertrophyIschemiaTransgenic miceProtective roleDetection of Silent Myocardial Ischemia in Asymptomatic Diabetic Subjects
Wackers FJ, Young LH, Inzucchi SE, Chyun DA, Davey JA, Barrett EJ, Taillefer R, Wittlin SD, Heller GV, Filipchuk N, Engel S, Ratner RE, Iskandrian AE. Detection of Silent Myocardial Ischemia in Asymptomatic Diabetic Subjects. Diabetes Care 2004, 27: 1954-1961. PMID: 15277423, DOI: 10.2337/diacare.27.8.1954.Peer-Reviewed Original ResearchConceptsSilent myocardial ischemiaType 2 diabetesCardiac risk factorsMyocardial ischemiaAsymptomatic patientsSilent ischemiaNormal perfusionRisk factorsTraditional cardiac risk factorsAmerican Diabetes Association guidelinesTomography myocardial perfusion imagingRegional myocardial perfusion abnormalitiesAbnormal stress testAsymptomatic diabetic subjectsAsymptomatic Diabetics (DIAD) studyCurrent American Diabetes AssociationPrevalence of ischemiaCardiac autonomic dysfunctionLarge perfusion defectsST-segment depressionCoronary artery diseaseAmerican Diabetes AssociationMyocardial perfusion abnormalitiesMyocardial perfusion imagingStrongest predictorAbnormal heart rate response to adenosine infusion is associated with silent myocardial ischemia in asymptomatic patients with diabetes mellitus
Sudhakar S, Chyun D, Young L, Inzucchi S, Davey J, Wackers F. Abnormal heart rate response to adenosine infusion is associated with silent myocardial ischemia in asymptomatic patients with diabetes mellitus. Journal Of Nuclear Cardiology 2004, 11: s20. DOI: 10.1016/j.nuclcard.2004.06.064.Peer-Reviewed Original ResearchHeart rate responseSilent myocardial ischemiaLarge myocardial perfusion defectsMyocardial perfusion defectsLarger perfusion abnormalityAsymptomatic patientsNegative predictive valuePerfusion abnormalitiesMyocardial ischemiaPerfusion defectsAdenosine infusionRate responsePredictive valueAbnormal heart rate responseBlunted heart rate responseHigh negative predictive valueLower heart rate responseCoronary artery diseaseMyocardial perfusion abnormalitiesDetection of ischemiaMales 53Autonomic neuropathyArtery diseaseDiabetes mellitusPoor outcome
1996
Glucose metabolism distal to a critical coronary stenosis in a canine model of low-flow myocardial ischemia.
McNulty PH, Sinusas AJ, Shi CQ, Dione D, Young LH, Cline GC, Shulman GI. Glucose metabolism distal to a critical coronary stenosis in a canine model of low-flow myocardial ischemia. Journal Of Clinical Investigation 1996, 98: 62-69. PMID: 8690805, PMCID: PMC507401, DOI: 10.1172/jci118778.Peer-Reviewed Original ResearchConceptsLow-flow ischemiaCoronary stenosisIschemic myocardiumIschemic regionLow-flow myocardial ischemiaCritical coronary stenosisExogenous glucoseOxidative substrateMyocardial ischemiaIntact dogsGlucose metabolismNonischemic regionsClinical observationsCanine modelGlucose utilizationIschemiaBiochemical measurementsMyocardial regionsRate of incorporationIntracellular metabolismTricarboxylic acid cycle fluxStenosisMyocardiumGlucoseGlucose-derived pyruvate
1995
Technetium-99m-nitroimidazole (BMS181321): a positive imaging agent for detecting myocardial ischemia.
Shi CQ, Sinusas AJ, Dione DP, Singer MJ, Young LH, Heller EN, Rinker BD, Wackers FJ, Zaret BL. Technetium-99m-nitroimidazole (BMS181321): a positive imaging agent for detecting myocardial ischemia. Journal Of Nuclear Medicine 1995, 36: 1078-86. PMID: 7769431.Peer-Reviewed Original ResearchConceptsIschemic regionMyocardial ischemiaBlood flowEx vivo SPECTRegional myocardial blood flowPartial coronary occlusionMicrosphere blood flowMyocardial blood flowOpen-chest canine modelVivo SPECT imagesSPECT imagesVivo planarCentral ischemic regionCoronary occlusionDemand ischemiaBMS181321Technetium-99mIntravenous injectionLiver ratioMyocardial imagingCanine modelPositive imagingHepatic clearanceLiver activityArterial sampling