2020
Effect of a ketogenic diet on hepatic steatosis and hepatic mitochondrial metabolism in nonalcoholic fatty liver disease
Luukkonen PK, Dufour S, Lyu K, Zhang XM, Hakkarainen A, Lehtimäki TE, Cline GW, Petersen KF, Shulman GI, Yki-Järvinen H. Effect of a ketogenic diet on hepatic steatosis and hepatic mitochondrial metabolism in nonalcoholic fatty liver disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 7347-7354. PMID: 32179679, PMCID: PMC7132133, DOI: 10.1073/pnas.1922344117.Peer-Reviewed Original ResearchMeSH KeywordsBody CompositionCitrate (si)-SynthaseDiet, KetogenicFatty AcidsFatty Acids, NonesterifiedFatty LiverFemaleHumansInsulinInsulin ResistanceLipoproteins, VLDLLiverMaleMiddle AgedMitochondriaNon-alcoholic Fatty Liver DiseaseObesityOverweightOxidation-ReductionPyruvate CarboxylaseTriglyceridesConceptsNonalcoholic fatty liver diseaseFatty liver diseaseIntrahepatic triglyceridesKetogenic dietHepatic insulin resistanceNonesterified fatty acidsInsulin resistanceLiver diseaseOverweight/obese subjectsHepatic mitochondrial redox stateSerum insulin concentrationsHepatic mitochondrial metabolismProton magnetic resonance spectroscopyStable isotope infusionKD dietObese subjectsFatty acidsPlasma leptinHepatic steatosisInsulin concentrationsNEFA concentrationsBody weightTriiodothyronine concentrationsIsotope infusionWeight loss
1995
Triiodothyronine treatment increases substrate cycling between pyruvate carboxylase and malic enzyme in perfused rat liver
Petersen K, Blair J, Shulman G. Triiodothyronine treatment increases substrate cycling between pyruvate carboxylase and malic enzyme in perfused rat liver. Metabolism 1995, 44: 1380-1383. PMID: 7476321, DOI: 10.1016/0026-0495(95)90133-7.Peer-Reviewed Original ResearchConceptsMalic enzymeRelative carbon fluxPyruvate kinaseCarbon fluxesAlanine C2Pyruvate carboxylase fluxSubstrate cyclingKinase activityMalic enzyme activityPyruvate kinase activityPyruvate carboxylaseKinaseEnzymeEnzyme activityCarboxylaseNormal rat liverRat liverNuclear magnetic resonance spectroscopyRelative rolesT3 treatmentOxaloacetateCyclingRecirculating systemPyruvate