2025
Deuterium MRS for In Vivo Measurement of Lipogenesis in the Liver
Gursan A, de Graaf R, Thomas M, Prompers J, De Feyter H. Deuterium MRS for In Vivo Measurement of Lipogenesis in the Liver. NMR In Biomedicine 2025, 38: e70014. PMID: 39994887, DOI: 10.1002/nbm.70014.Peer-Reviewed Original ResearchConceptsH-MRSHepatic DNLMRS dataLiver tissueMeasurement of lipogenesisDietary interventionLiver lipidsHepatic de novo lipogenesisLow density lipoproteinDetection of deuteriumGold standard measureMetabolic diseasesIncreased hepatic DNLLiverDensity lipoproteinDrinking waterDeuterium labelingIn vivo measurementsNMR dataExcised liver tissueTissueDeuteriumMRSMethylene resonancesDeuterated water
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 ResearchConceptsDe 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
Colonic Fermentation and Acetate Production in Youth with and without Obesity
Galuppo B, Cline G, Van Name M, Shabanova V, Wagner D, Kien CL, Santoro N. Colonic Fermentation and Acetate Production in Youth with and without Obesity. Journal Of Nutrition 2021, 151: 3292-3298. PMID: 34494088, PMCID: PMC8562084, DOI: 10.1093/jn/nxab277.Peer-Reviewed Original ResearchConceptsDe novo lipogenesisLean youthLactulose ingestionGut microbiotaHepatic de novo lipogenesisDevelopment of obesityColonic acetateOral doseIntravenous infusionPeripheral circulationColonic fermentationNovo lipogenesisObesityRate of appearanceAge 15Spearman correlationIngestionLactuloseRegression modelsMicrobiotaLesser degreeComplicationsGroupInfusionFerment carbohydrates
2020
Hepatic Insulin Resistance Is Not Pathway Selective in Humans With Nonalcoholic Fatty Liver Disease.
Ter Horst KW, Vatner DF, Zhang D, Cline GW, Ackermans MT, Nederveen AJ, Verheij J, Demirkiran A, van Wagensveld BA, Dallinga-Thie GM, Nieuwdorp M, Romijn JA, Shulman GI, Serlie MJ. Hepatic Insulin Resistance Is Not Pathway Selective in Humans With Nonalcoholic Fatty Liver Disease. Diabetes Care 2020, 44: 489-498. PMID: 33293347, PMCID: PMC7818337, DOI: 10.2337/dc20-1644.Peer-Reviewed Original ResearchConceptsNonalcoholic fatty liver diseaseDe novo lipogenesisFatty liver diseaseBariatric surgeryLiver diseaseImpaired insulin-mediated suppressionGlucose productionHepatic de novo lipogenesisPeripheral glucose metabolismHyperinsulinemic-euglycemic clampType 2 diabetesInsulin-mediated suppressionInsulin-resistant subjectsHepatic insulin resistanceLiver biopsy samplesSuppress glucose productionLipogenic transcription factorsInsulin-mediated regulationObese subjectsInsulin resistanceAcute increaseNovo lipogenesisGlucose metabolismBiopsy samplesParadoxical increase
2015
Hepatic De Novo Lipogenesis in Obese Youth Is Modulated by a Common Variant in the GCKR Gene
Santoro N, Caprio S, Pierpont B, Van Name M, Savoye M, Parks EJ. Hepatic De Novo Lipogenesis in Obese Youth Is Modulated by a Common Variant in the GCKR Gene. The Journal Of Clinical Endocrinology & Metabolism 2015, 100: e1125-e1132. PMID: 26043229, PMCID: PMC4524990, DOI: 10.1210/jc.2015-1587.Peer-Reviewed Original ResearchConceptsHepatic de novo lipogenesisDe novo lipogenesisFractional de novo lipogenesisCC subjectsNovo lipogenesisLiver lipid synthesisLow-density lipoproteinCarbohydrate drinkGlucose oxidationObese adolescentsObese youthTT subjectsTT genotypeCHO loadHigh basal ratesStudy aimRisk allelesGCKR geneLipogenesisGene variantsBasal rateCommon variantsSubjectsLipid synthesisLower increase
2014
The Combined Hyperlipidemia Caused by Impaired Wnt-LRP6 Signaling Is Reversed by Wnt3a Rescue
Go GW, Srivastava R, Hernandez-Ono A, Gang G, Smith SB, Booth CJ, Ginsberg HN, Mani A. The Combined Hyperlipidemia Caused by Impaired Wnt-LRP6 Signaling Is Reversed by Wnt3a Rescue. Cell Metabolism 2014, 19: 209-220. PMID: 24506864, PMCID: PMC3920193, DOI: 10.1016/j.cmet.2013.11.023.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtherosclerosisCells, CulturedFatty LiverHepatocytesHyperlipidemiasLow Density Lipoprotein Receptor-Related Protein-6Mechanistic Target of Rapamycin Complex 1Mechanistic Target of Rapamycin Complex 2MiceModels, BiologicalMultiprotein ComplexesMutationNon-alcoholic Fatty Liver DiseaseTOR Serine-Threonine KinasesWnt3A ProteinConceptsHepatic de novo lipogenesisFatty liver diseaseElevated plasma LDLTreatment of hyperlipidemiaSp1-dependent activationCholesterol biosynthesisDe novo lipogenesisAtherogenic lipid disordersMolecular genetic basisLiver diseaseFatty liverLDL levelsPlasma lipidsTG levelsLipid disordersPlasma TGPlasma LDLNovo lipogenesisHyperlipidemiaCombined HyperlipidemiaGenetic basisWnt coreceptorNonconservative mutationsAltered expressionPrimary hepatocytes
2012
The Role of the Carbohydrate Response Element-Binding Protein in Male Fructose-Fed Rats
Erion DM, Popov V, Hsiao JJ, Vatner D, Mitchell K, Yonemitsu S, Nagai Y, Kahn M, Gillum MP, Dong J, Murray SF, Manchem VP, Bhanot S, Cline GW, Shulman GI, Samuel VT. The Role of the Carbohydrate Response Element-Binding Protein in Male Fructose-Fed Rats. Endocrinology 2012, 154: 36-44. PMID: 23161873, PMCID: PMC3529388, DOI: 10.1210/en.2012-1725.Peer-Reviewed Original ResearchConceptsDe novo lipogenesisResponse element-binding proteinCarbohydrate response element-binding proteinASO treatmentHepatic expressionNovo lipogenesisElement-binding proteinInsulin-stimulated peripheral glucose uptakeNonalcoholic fatty liver diseaseAntisense oligonucleotideMale Sprague-Dawley ratsHepatic de novo lipogenesisFructose-fed groupHepatic insulin responsivenessFatty liver diseaseFructose fed ratsPeripheral glucose uptakeHyperinsulinemic-euglycemic clampHigh-fat dietHepatic lipid contentHepatic triglyceride secretionHepatic insulin sensitivitySprague-Dawley ratsPlasma triglyceride concentrationsPlasma uric acidSkeletal Muscle Insulin Resistance Promotes Increased Hepatic De Novo Lipogenesis, Hyperlipidemia, and Hepatic Steatosis in the Elderly
Flannery C, Dufour S, Rabøl R, Shulman GI, Petersen KF. Skeletal Muscle Insulin Resistance Promotes Increased Hepatic De Novo Lipogenesis, Hyperlipidemia, and Hepatic Steatosis in the Elderly. Diabetes 2012, 61: 2711-2717. PMID: 22829450, PMCID: PMC3478531, DOI: 10.2337/db12-0206.Peer-Reviewed Original ResearchConceptsHepatic de novo lipogenesisNonalcoholic fatty liver diseaseDe novo lipogenesisMuscle insulin resistanceInsulin resistanceElderly subjectsNovo lipogenesisYoung subjectsInsulin resistance promotesSedentary elderly subjectsFatty liver diseaseHigh-carbohydrate mealHepatic triglyceride contentType 2 diabetesMuscle glycogen synthesisGlycogen synthesisLiver glycogen synthesisLiver diseaseNormal weightHepatic steatosisPostprandial changesPlasma TGLiver glycogenHyperlipidemiaMuscle glycogen
2011
Reversal of muscle insulin resistance with exercise reduces postprandial hepatic de novo lipogenesis in insulin resistant individuals
Rabøl R, Petersen KF, Dufour S, Flannery C, Shulman GI. Reversal of muscle insulin resistance with exercise reduces postprandial hepatic de novo lipogenesis in insulin resistant individuals. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 13705-13709. PMID: 21808028, PMCID: PMC3158147, DOI: 10.1073/pnas.1110105108.Peer-Reviewed Original ResearchConceptsNonalcoholic fatty liver diseaseHepatic de novo lipogenesisMuscle insulin resistanceInsulin-resistant individualsDe novo lipogenesisSkeletal muscle insulin resistanceCarbohydrate-rich mealInsulin resistanceHepatic triglyceride synthesisNovo lipogenesisAtherogenic dyslipidemiaMetabolic syndromeRandomized cross-over trialTriglyceride synthesisFatty liver diseasePostprandial plasma glucoseMuscle insulin responsivenessCross-over trialEarly therapeutic targetType 2 diabetesMuscle glycogen synthesisBody energy storageLiver diseasePlasma glucoseSingle bout
2007
The role of skeletal muscle insulin resistance in the pathogenesis of the metabolic syndrome
Petersen KF, Dufour S, Savage DB, Bilz S, Solomon G, Yonemitsu S, Cline GW, Befroy D, Zemany L, Kahn BB, Papademetris X, Rothman DL, Shulman GI. The role of skeletal muscle insulin resistance in the pathogenesis of the metabolic syndrome. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 12587-12594. PMID: 17640906, PMCID: PMC1924794, DOI: 10.1073/pnas.0705408104.Peer-Reviewed Original ResearchConceptsPlasma high-density lipoprotein concentrationsHigh-density lipoprotein concentrationsHepatic de novo lipogenesisMuscle glycogen synthesisInsulin resistanceInsulin-resistant subjectsPlasma triglyceride concentrationsDe novo lipogenesisMetabolic syndromeAtherogenic dyslipidemiaIL-6Lipoprotein concentrationsTNF-alphaPlasma concentrationsTriglyceride concentrationsNovo lipogenesisGlycogen synthesisIntraabdominal fat volumeSkeletal muscle insulin resistanceSkeletal muscleProtein 4Skeletal muscle glycogen synthesisMuscle insulin resistanceHepatic triglyceride synthesisIntraabdominal obesity
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