Featured Publications
Gene and protein expression and metabolic flux analysis reveals metabolic scaling in liver ex vivo and in vivo
Akingbesote N, Leitner B, Jovin D, Desrouleaux R, Owusu D, Zhu W, Li Z, Pollak M, Perry R. Gene and protein expression and metabolic flux analysis reveals metabolic scaling in liver ex vivo and in vivo. ELife 2023, 12: e78335. PMID: 37219930, PMCID: PMC10205083, DOI: 10.7554/elife.78335.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsLiverMetabolic Flux AnalysisMiceMice, Inbred C57BLOxygen ConsumptionRatsRats, Sprague-DawleyConceptsMetabolic scalingMetabolic fluxMetabolic processesBody sizeMitochondrial metabolic processesMultiple cellular compartmentsVivo metabolic fluxesLevel of genesKey metabolic pathwaysProtein expressionMetabolic flux analysisAspects of metabolismCellular compartmentsGene expressionDifferential expressionMetabolic pathwaysGenesFlux analysisOxidative damageEnzyme activitySubstrate supplyFold rangeSpeciesExpressionMetabolic rate
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
2018
Leptin Mediates a Glucose-Fatty Acid Cycle to Maintain Glucose Homeostasis in Starvation
Perry RJ, Wang Y, Cline GW, Rabin-Court A, Song JD, Dufour S, Zhang XM, Petersen KF, Shulman GI. Leptin Mediates a Glucose-Fatty Acid Cycle to Maintain Glucose Homeostasis in Starvation. Cell 2018, 172: 234-248.e17. PMID: 29307489, PMCID: PMC5766366, DOI: 10.1016/j.cell.2017.12.001.Peer-Reviewed Original Research
2015
Hepatic Acetyl CoA Links Adipose Tissue Inflammation to Hepatic Insulin Resistance and Type 2 Diabetes
Perry RJ, Camporez JP, Kursawe R, Titchenell PM, Zhang D, Perry CJ, Jurczak MJ, Abudukadier A, Han MS, Zhang XM, Ruan HB, Yang X, Caprio S, Kaech SM, Sul HS, Birnbaum MJ, Davis RJ, Cline GW, Petersen KF, Shulman GI. Hepatic Acetyl CoA Links Adipose Tissue Inflammation to Hepatic Insulin Resistance and Type 2 Diabetes. Cell 2015, 160: 745-758. PMID: 25662011, PMCID: PMC4498261, DOI: 10.1016/j.cell.2015.01.012.Peer-Reviewed Original ResearchConceptsHepatic glucose productionWhite adipose tissueHepatic insulin resistanceInsulin resistanceImpaired insulin-mediated suppressionAdipose tissue inflammationIL-6 neutralizationIL-6 infusionType 2 diabetesInsulin-mediated suppressionSuppression of lipolysisAdipose triglyceride lipaseTissue inflammationAdipose tissueType 2Fed ratsGlucose productionGenetic ablationInsulin's abilityAcetyl CoATriglyceride lipaseInsulin signalingRatsMetabolomics approachInsulin