2017
Hepatic Diacylglycerol-Associated Protein Kinase Cε Translocation Links Hepatic Steatosis to Hepatic Insulin Resistance in Humans
Horst K, Gilijamse PW, Versteeg RI, Ackermans MT, Nederveen AJ, la Fleur SE, Romijn JA, Nieuwdorp M, Zhang D, Samuel VT, Vatner DF, Petersen KF, Shulman GI, Serlie MJ. Hepatic Diacylglycerol-Associated Protein Kinase Cε Translocation Links Hepatic Steatosis to Hepatic Insulin Resistance in Humans. Cell Reports 2017, 19: 1997-2004. PMID: 28591572, PMCID: PMC5469939, DOI: 10.1016/j.celrep.2017.05.035.Peer-Reviewed Original ResearchConceptsHepatic insulin resistanceInsulin resistanceHepatic steatosisObese subjectsPKCε activationTissue-specific insulin sensitivityHepatic ceramide contentPeripheral insulin resistanceHepatic lipid accumulationPathogenesis of NAFLDLiver biopsyIntrahepatic triglyceridesLiver fatInsulin sensitivityAdipose tissueTranslational evidenceSteatosisLipid accumulationCeramide contentPKCε translocationSubjectsMolecular mechanismsDiacylglycerol contentHumansActivation
2016
The vitamin D metabolites 25(OH)D and 1,25(OH)2D are not related to either glucose metabolism or insulin action in obese women
Horst K, Versteeg RI, Gilijamse PW, Ackermans MT, Heijboer AC, Romijn JA, la Fleur SE, Trinko R, DiLeone RJ, Serlie MJ. The vitamin D metabolites 25(OH)D and 1,25(OH)2D are not related to either glucose metabolism or insulin action in obese women. Diabetes & Metabolism 2016, 42: 416-423. PMID: 27262368, DOI: 10.1016/j.diabet.2016.04.011.Peer-Reviewed Original ResearchConceptsVitamin D deficiencyObese womenInsulin actionD deficiencyVitamin DInsulin resistanceInsulin sensitivityGlucose metabolismEuglycaemic–hyperinsulinaemic clamp studiesActive vitamin D metaboliteBasal endogenous glucose productionObesity-related insulin resistanceTissue-specific insulin actionObesity-induced metabolic diseasesTissue-specific insulin sensitivitySkeletal muscle insulin sensitivityBody mass indexVitamin D metabolitesTotal body fatMuscle insulin sensitivityEndogenous glucose productionBaseline characteristicsSerum levelsMass indexD levels