2021
Hepatocyte-specific suppression of ANGPTL4 improves obesity-associated diabetes and mitigates atherosclerosis in mice
Singh AK, Chaube B, Zhang X, Sun J, Citrin KM, Canfrán-Duque A, Aryal B, Rotllan N, Varela L, Lee RG, Horvath TL, Price N, Suárez Y, Fernandez-Hernando C. Hepatocyte-specific suppression of ANGPTL4 improves obesity-associated diabetes and mitigates atherosclerosis in mice. Journal Of Clinical Investigation 2021, 131 PMID: 34255741, PMCID: PMC8409581, DOI: 10.1172/jci140989.Peer-Reviewed Original ResearchDiet-induced obesityGlucose intoleranceHigh-fat fed conditionsLipoprotein lipaseExcess hepatic lipid accumulationSystemic metabolic dysfunctionRole of ANGPTL4Liver lipid metabolismHepatic lipid accumulationTargeted pharmacologic therapyANGPTL4 gene expressionMetabolic turnover studiesHepatic lipase activityObesity-associated diabetesFatty acidsNovel inhibition strategiesPharmacologic therapyLiver steatosisLiver damageLipoprotein remnantsCholesterol levelsMetabolic dysfunctionHepatic uptakeANGPTL4 deficiencyHL activityMitochondrial Fission Governed by Drp1 Regulates Exogenous Fatty Acid Usage and Storage in Hela Cells
Song JE, Alves TC, Stutz B, Šestan-Peša M, Kilian N, Jin S, Diano S, Kibbey RG, Horvath TL. Mitochondrial Fission Governed by Drp1 Regulates Exogenous Fatty Acid Usage and Storage in Hela Cells. Metabolites 2021, 11: 322. PMID: 34069800, PMCID: PMC8157282, DOI: 10.3390/metabo11050322.Peer-Reviewed Original ResearchExogenous fatty acidsMitochondrial fissionMitochondrial fatty acid oxidationFatty acid oxidationFatty acid usageMitochondrial morphologyLipid dropletsAcid usageCarnitine palmitoyltransferase 1HeLa cellsDynamin-related proteinKey mitochondrial proteinsFatty acidsAcid oxidationMitochondrial proteinsLipid droplet accumulationMitochondrial dynamicsNovel functionLipid homeostasisHigh abundanceDirect roleDroplet accumulationMitochondriaFatty acid contentProtein
2018
Brown adipose tissue derived ANGPTL4 controls glucose and lipid metabolism and regulates thermogenesis
Singh AK, Aryal B, Chaube B, Rotllan N, Varela L, Horvath TL, Suárez Y, Fernández-Hernando C. Brown adipose tissue derived ANGPTL4 controls glucose and lipid metabolism and regulates thermogenesis. Molecular Metabolism 2018, 11: 59-69. PMID: 29627378, PMCID: PMC6001401, DOI: 10.1016/j.molmet.2018.03.011.Peer-Reviewed Original ResearchConceptsBrown adipose tissueAdipose tissueAbsence of ANGPTL4Lipoprotein metabolismLPL activityShort-term HFD feedingTriglyceride-rich lipoprotein catabolismLipoprotein lipaseRole of ANGPTL4Novel mouse modelAcute cold exposureGlucose toleranceHFD feedingFatty acidsLipoprotein catabolismWhole body lipidGlucose homeostasisMouse modelGlucose metabolismTAG clearanceBAT resultsLipid metabolismANGPTL4Cold exposureFA oxidation
2014
Mitochondrial dynamics in the central regulation of metabolism
Nasrallah CM, Horvath TL. Mitochondrial dynamics in the central regulation of metabolism. Nature Reviews Endocrinology 2014, 10: 650-658. PMID: 25200564, DOI: 10.1038/nrendo.2014.160.Peer-Reviewed Original ResearchConceptsPOMC neuronsMetabolic disordersPeripheral tissue functionsCentral melanocortin systemMitochondrial dynamicsProopiomelanocortin neuronsAnorexigenic responseOrexigenic responseHypothalamic neuronsCentral regulationMelanocortin systemNeuronsDistinct signaling pathwaysSignaling pathwaysMitochondrial fusionMolecular regulatorsTissue functionDistinct functionsDisordersFatty acidsMetabolismActivationObesityAppetiteResponse
2008
Fuel utilization by hypothalamic neurons: roles for ROS
Horvath TL, Andrews ZB, Diano S. Fuel utilization by hypothalamic neurons: roles for ROS. Trends In Endocrinology And Metabolism 2008, 20: 78-87. PMID: 19084428, DOI: 10.1016/j.tem.2008.10.003.Peer-Reviewed Original ResearchConceptsEnergy homeostasisFree radical productionAnorexigenic neuronsNeuronal doctrineArcuate nucleusHypothalamic neuronsHypothalamic outputMelanocortin systemEffect of glucoseNeuronal functionFree radical formationSpecific neuronsAcid levelsNeuronsAmino acid levelsNeurobiological aspectsRadical productionEvidence pointsFatty acidsFuel sensingIntracellular substratesHomeostasisNutritional signalsGlucoseHypothalamus