2023
The PNPLA3 I148M variant increases ketogenesis and decreases hepatic de novo lipogenesis and mitochondrial function in humans
Luukkonen P, Porthan K, Ahlholm N, Rosqvist F, Dufour S, Zhang X, Lehtimäki T, Seppänen W, Orho-Melander M, Hodson L, Petersen K, Shulman G, Yki-Järvinen H. The PNPLA3 I148M variant increases ketogenesis and decreases hepatic de novo lipogenesis and mitochondrial function in humans. Cell Metabolism 2023, 35: 1887-1896.e5. PMID: 37909034, DOI: 10.1016/j.cmet.2023.10.008.Peer-Reviewed Original ResearchMeSH Keywords3-Hydroxybutyric AcidGenetic Predisposition to DiseaseHumansLipogenesisLiverMitochondriaNon-alcoholic Fatty Liver DiseaseConceptsDe novo lipogenesisHepatic de novo lipogenesisPlasma β-hydroxybutyrate concentrationsΒ-hydroxybutyrate concentrationsLiver diseaseNovo lipogenesisPNPLA3 I148M variantHepatic mitochondrial redox stateMajor genetic risk factorI148M variantFatty liver diseaseGenetic risk factorsHepatic mitochondrial dysfunctionKetogenic dietMixed mealRisk factorsHepatic metabolismHomozygous carriersM carriersMitochondrial dysfunctionCitrate synthase fluxM variantKetogenesisMitochondrial redox stateMitochondrial function
2021
Validation of a Gas Chromatography-Mass Spectrometry Method for the Measurement of the Redox State Metabolic Ratios Lactate/Pyruvate and β-Hydroxybutyrate/Acetoacetate in Biological Samples
Wijngaard R, Perramón M, Parra-Robert M, Hidalgo S, Butrico G, Morales-Ruiz M, Zeng M, Casals E, Jiménez W, Fernández-Varo G, Shulman GI, Cline GW, Casals G. Validation of a Gas Chromatography-Mass Spectrometry Method for the Measurement of the Redox State Metabolic Ratios Lactate/Pyruvate and β-Hydroxybutyrate/Acetoacetate in Biological Samples. International Journal Of Molecular Sciences 2021, 22: 4752. PMID: 33946157, PMCID: PMC8125771, DOI: 10.3390/ijms22094752.Peer-Reviewed Original Research
1993
Inhibitory Effect of Pregnancy on Counterregulatory Hormone Responses to Hypoglycemia in Awake Rat
Rossi G, Lapaczewski P, Diamond M, Jacob R, Shulman G, Sherwin R. Inhibitory Effect of Pregnancy on Counterregulatory Hormone Responses to Hypoglycemia in Awake Rat. Diabetes 1993, 42: 1440-1445. PMID: 8375583, DOI: 10.2337/diab.42.10.1440.Peer-Reviewed Original ResearchConceptsPregnant ratsGlucagon responseNonpregnant controlsAwake pregnant ratsCounterregulatory hormone responsesIntensive insulin treatmentRelease of epinephrineHypoglycemia risk factorsHypoglycemic clamp studiesDiabetic pregnanciesGlucose counterregulationMaternal hypoglycemiaHypoglycemic stimulusEpinephrine releaseEpinephrine levelsMild hypoglycemiaBrisk responseNonfasting stateRisk factorsAwake ratsInsulin treatmentKetone levelsClamp studiesGlucose levelsNonfasted state