2024
SGLT2 inhibition alters substrate utilization and mitochondrial redox in healthy and failing rat hearts
Goedeke L, Ma Y, Gaspar R, Nasiri A, Lee J, Zhang D, Galsgaard K, Hu X, Zhang J, Guerrera N, Li X, LaMoia T, Hubbard B, Haedersdal S, Wu X, Stack J, Dufour S, Butrico G, Kahn M, Perry R, Cline G, Young L, Shulman G. SGLT2 inhibition alters substrate utilization and mitochondrial redox in healthy and failing rat hearts. Journal Of Clinical Investigation 2024, 134: e176708. PMID: 39680452, PMCID: PMC11645152, DOI: 10.1172/jci176708.Peer-Reviewed Original ResearchConceptsSodium-glucose cotransporter type 2Heart failureKetone oxidationGas chromatography-mass spectrometryFatty acid oxidationLeft ventricular ejection fractionReduced myocardial oxidative stressVentricular ejection fractionKetone supplementationWeeks of treatmentMyocardial oxidative stressDecreased pyruvate oxidationInduce heart failurePlasma glucose levelsIn vivo effectsSGLT2i treatmentEjection fractionAssociated with improvementsAwake ratsSGLT2 inhibitionCardioprotective benefitsLiquid chromatography-tandem mass spectrometryPlasma ketonesRates of ketonizationChromatography-tandem mass spectrometry
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
1994
Metabolic imaging: What are the challenges?
Young L, McNulty P. Metabolic imaging: What are the challenges? Journal Of Nuclear Cardiology 1994, 1: 213-217. PMID: 9420689, DOI: 10.1007/bf02984094.Commentaries, Editorials and Letters