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
1978
Glucose Disposal during Insulinopenia in Somatostatin-Treated Dogs
Shulman G, Liljenquist J, Williams P, Lacy W, Cherrington A. Glucose Disposal during Insulinopenia in Somatostatin-Treated Dogs. Journal Of Clinical Investigation 1978, 62: 487-491. PMID: 670404, PMCID: PMC371787, DOI: 10.1172/jci109150.Peer-Reviewed Original ResearchConceptsNet hepatic glucose uptakeHepatic glucose productionHepatic glucose uptakeGlucagon secretionHepatic glucose storageBasal insulinGlucagon levelsGlucose storageNet hepatic glucose productionGlucose productionGlucose uptakeAbility of hyperglycemiaPancreatic hormone releasePlasma glucagon concentrationsPlasma glucagon levelsInduction of hyperglycemiaPlasma glucose levelsPlasma glucose concentrationHepatic glucose balanceIntraportal insulinGlucagon concentrationsConscious dogsSomatostatin inhibitionGlucagon infusionGlucose disposal