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 ResearchConceptsMetabolic 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
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
2017
Non-invasive assessment of hepatic mitochondrial metabolism by positional isotopomer NMR tracer analysis (PINTA)
Perry RJ, Peng L, Cline GW, Butrico GM, Wang Y, Zhang XM, Rothman DL, Petersen KF, Shulman GI. Non-invasive assessment of hepatic mitochondrial metabolism by positional isotopomer NMR tracer analysis (PINTA). Nature Communications 2017, 8: 798. PMID: 28986525, PMCID: PMC5630596, DOI: 10.1038/s41467-017-01143-w.Peer-Reviewed Original ResearchConceptsMitochondrial metabolismHepatic mitochondrial metabolismPyruvate carboxylase fluxCitrate synthase fluxPyruvate cyclingMitochondrial uncouplerIntermediary metabolismSpectrometry analysisPhysiological conditionsChromatography-mass spectrometry analysisSynthase fluxCentral roleMetabolismHepatic mitochondriaGas chromatography-mass spectrometry analysisVivo NMR spectroscopyMitochondriaNMR spectroscopyRegulationUncouplerRoleTracer analysisVivoMaintenance of normoglycemiaWide range
2016
Acetate mediates a microbiome–brain–β-cell axis to promote metabolic syndrome
Perry RJ, Peng L, Barry NA, Cline GW, Zhang D, Cardone RL, Petersen KF, Kibbey RG, Goodman AL, Shulman GI. Acetate mediates a microbiome–brain–β-cell axis to promote metabolic syndrome. Nature 2016, 534: 213-217. PMID: 27279214, PMCID: PMC4922538, DOI: 10.1038/nature18309.Peer-Reviewed Original ResearchConceptsGut microbiotaMetabolic syndromeGlucose-stimulated insulin secretionAltered gut microbiotaParasympathetic nervous systemPossible therapeutic targetGhrelin secretionInsulin resistanceInsulin secretionParasympathetic activationTherapeutic targetNervous systemObesityMicrobiota interactionsSyndromeMicrobiotaSecretionActivationSequelaeHyperphagia
2015
Controlled-release mitochondrial protonophore reverses diabetes and steatohepatitis in rats
Perry RJ, Zhang D, Zhang XM, Boyer JL, Shulman GI. Controlled-release mitochondrial protonophore reverses diabetes and steatohepatitis in rats. Science 2015, 347: 1253-1256. PMID: 25721504, PMCID: PMC4495920, DOI: 10.1126/science.aaa0672.Peer-Reviewed Original ResearchMeSH Keywords2,4-DinitrophenolAnimalsBlood GlucoseDelayed-Action PreparationsDiabetes Mellitus, Type 2Glucose Tolerance TestInsulin ResistanceLipid MetabolismLiver CirrhosisMaleMiceMitochondria, LiverMuscle, SkeletalNon-alcoholic Fatty Liver DiseaseOxidation-ReductionProton IonophoresRandom AllocationRatsRats, ZuckerConceptsNonalcoholic fatty liver diseaseNonalcoholic steatohepatitisInsulin resistanceRat modelControlled-release oral formulationsPlasma transaminase concentrationsFatty liver diseaseType 2 diabetesMitochondrial uncouplingProtein-synthetic functionChronic treatmentLiver diseaseMetabolic syndromeTransaminase concentrationsHepatic steatosisLiver fibrosisEffective therapyPreclinical modelsOral formulationSystemic toxicityClinical useRelated epidemicsBeneficial effectsSynthetic functionMitochondrial protonophore