2021
Mitochondrial 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
2019
Mitofusin 2 plays a role in oocyte and follicle development, and is required to maintain ovarian follicular reserve during reproductive aging
Zhang M, Bener MB, Jiang Z, Wang T, Esencan E, Scott R, Horvath T, Seli E. Mitofusin 2 plays a role in oocyte and follicle development, and is required to maintain ovarian follicular reserve during reproductive aging. Aging 2019, 11: 3919-3938. PMID: 31204316, PMCID: PMC6628992, DOI: 10.18632/aging.102024.Peer-Reviewed Original ResearchConceptsMitofusin 2Key regulatory proteinsImpaired oocyte maturationFollicle developmentMitochondrial fusionRegulatory proteinsEndoplasmic reticulumMitochondrial dysfunctionTargeted deletionOocyte maturationOocytesReproductive agingFemale subfertilityOocyte qualityOvarian follicular reserveTelomeresMitochondriaMetabolic milieuProteinReticulumDeletionFusionPhenotypeApoptosisMaturationMitochondrial unfolded protein response: a stress response with implications for fertility and reproductive aging
Seli E, Wang T, Horvath TL. Mitochondrial unfolded protein response: a stress response with implications for fertility and reproductive aging. Fertility And Sterility 2019, 111: 197-204. PMID: 30691623, DOI: 10.1016/j.fertnstert.2018.11.048.Peer-Reviewed Original ResearchConceptsMitochondrial unfolded protein responseTwo-cell embryo developmentUnfolded protein responseImpaired oocyte maturationMorphology of mitochondriaMitochondrial dysfunction resultsPremature reproductive agingNovel mechanistic insightsMitochondrial DNA contentReactive oxygen species productionPrevention of agingCLPP resultsProtein responseOxygen species productionReproductive agingPreimplantation embryosAge-related accumulationOxidative phosphorylationStress responseEmbryo developmentForm blastocystsMitochondrial functionMitochondriaMitochondrial dysfunctionEnergy metabolism
2018
The 7q11.23 Protein DNAJC30 Interacts with ATP Synthase and Links Mitochondria to Brain Development
Tebbenkamp ATN, Varela L, Choi J, Paredes MI, Giani AM, Song JE, Sestan-Pesa M, Franjic D, Sousa AMM, Liu ZW, Li M, Bichsel C, Koch M, Szigeti-Buck K, Liu F, Li Z, Kawasawa YI, Paspalas CD, Mineur YS, Prontera P, Merla G, Picciotto MR, Arnsten AFT, Horvath TL, Sestan N. The 7q11.23 Protein DNAJC30 Interacts with ATP Synthase and Links Mitochondria to Brain Development. Cell 2018, 175: 1088-1104.e23. PMID: 30318146, PMCID: PMC6459420, DOI: 10.1016/j.cell.2018.09.014.Peer-Reviewed Original ResearchConceptsCopy number variationsATP synthase dimersOxidative phosphorylation supercomplexesHuman neurodevelopmental disordersATP synthaseWS pathogenesisGene contributionMitochondrial featuresBrain developmentWilliams syndromeMitochondrial dysfunctionNeocortical pyramidal neuronsNeural phenotypesMitochondriaPyramidal neuronsMachineryMorphological featuresNeurodevelopmental disordersDysfunctionSupercomplexesPhenotype
2017
(S)Pot on Mitochondria: Cannabinoids Disrupt Cellular Respiration to Limit Neuronal Activity
Harkany T, Horvath TL. (S)Pot on Mitochondria: Cannabinoids Disrupt Cellular Respiration to Limit Neuronal Activity. Cell Metabolism 2017, 25: 8-10. PMID: 28076767, DOI: 10.1016/j.cmet.2016.12.020.Peer-Reviewed Original Research
2016
Reproductive aging is associated with changes in oocyte mitochondrial dynamics, function, and mtDNA quantity
Babayev E, Wang T, Szigeti-Buck K, Lowther K, Taylor HS, Horvath T, Seli E. Reproductive aging is associated with changes in oocyte mitochondrial dynamics, function, and mtDNA quantity. Maturitas 2016, 93: 121-130. PMID: 27523387, PMCID: PMC5064871, DOI: 10.1016/j.maturitas.2016.06.015.Peer-Reviewed Original ResearchConceptsReactive oxygen speciesUnfolded protein response genesProtein response genesMitochondrial DNAMitochondrial dynamicsMitochondrial stressResponse genesMammalian reproductionMitochondria morphologyStressful conditionsMitochondrial changesMitochondriaROS levelsMtDNA levelsElevated expressionMtDNA quantityOxygen speciesOocytesGenesMature oocytesNumerous aspectsExpressionReproductive agingMII oocytesFollicle-enclosed oocytes
2015
Mitochondrial ROS Signaling in Organismal Homeostasis
Shadel GS, Horvath TL. Mitochondrial ROS Signaling in Organismal Homeostasis. Cell 2015, 163: 560-569. PMID: 26496603, PMCID: PMC4634671, DOI: 10.1016/j.cell.2015.10.001.Peer-Reviewed Original ResearchConceptsReactive oxygen speciesOrganismal homeostasisMitochondrial ROS signalingMitochondrial reactive oxygen speciesAdaptive physiological responsesROS signalingCellular differentiationMitochondrial oxygen consumptionOxidative phosphorylationPhysiological responsesOxygen speciesCentral roleHomeostasisEukaryotesOrganic fuel moleculesPhosphorylationMitochondriaMoleculesSignalingSpeciesATPDifferentiationPathwayGreater understandingRole
2011
Mitochondrial uncoupling protein 2 (UCP2) in glucose and lipid metabolism
Diano S, Horvath TL. Mitochondrial uncoupling protein 2 (UCP2) in glucose and lipid metabolism. Trends In Molecular Medicine 2011, 18: 52-58. PMID: 21917523, DOI: 10.1016/j.molmed.2011.08.003.Peer-Reviewed Original ResearchConceptsProtein 2Lipid metabolismExcess of nutrientsHypothalamic neuronal circuitsNutrient availabilityPeripheral tissue functionsPhysiological functionsMetabolism regulationChronic diseasesMetabolism-related chronic diseasesTissue functionFuture therapeutic strategiesPathological processesPeripheral mechanismsLipid levelsNeuronal circuitsTherapeutic strategiesMetabolismImpairs healthMitochondriaDiseaseUCP2GlucoseRegulationNutrients
2009
The role of mitochondrial uncoupling proteins in lifespan
Dietrich MO, Horvath TL. The role of mitochondrial uncoupling proteins in lifespan. Pflügers Archiv - European Journal Of Physiology 2009, 459: 269-275. PMID: 19760284, PMCID: PMC2809791, DOI: 10.1007/s00424-009-0729-0.Peer-Reviewed Original ResearchConceptsMitochondrial inner membraneCellular biochemical reactionsMitochondrial uncoupling proteinProduction of ATPCellular functionsInner membraneSpecialized proteinsBreakdown of lipidsMain organellesExcess of ROSPhysiological uncouplingOxidative phosphorylationUncoupling proteinAdenosine triphosphateOxygen reactive speciesROS productionProteinEnergetic substratesBiochemical reactionsCellular damageMitochondriaROSIntermediate substrateUCPShed light
2006
Uncoupling protein 2/3 immunoreactivity and the ascending dopaminergic and noradrenergic neuronal systems: Relevance for volume transmission
Rivera A, Agnati LF, Horvath TL, Valderrama JJ, de La Calle A, Fuxe K. Uncoupling protein 2/3 immunoreactivity and the ascending dopaminergic and noradrenergic neuronal systems: Relevance for volume transmission. Neuroscience 2006, 137: 1447-1461. PMID: 16387447, DOI: 10.1016/j.neuroscience.2005.05.051.Peer-Reviewed Original ResearchConceptsConfocal laser microscopy analysisReactive oxygen species productionLaser microscopy analysisProtein 2/3Oxygen species productionUncouple oxidative phosphorylationOxidative phosphorylationATP synthesisProteinSpecies productionDouble immunolabelingImportant roleMicroscopy analysisPhosphorylationMitochondriaRegulationCell groupsPlastic changesLocalizationIslandsAnimal modelsMagnaTyrosine hydroxylaseNeuronal systems
2003
Mitochondrial uncoupling protein 2 in the central nervous system: neuromodulator and neuroprotector
Horvath TL, Diano S, Barnstable C. Mitochondrial uncoupling protein 2 in the central nervous system: neuromodulator and neuroprotector. Biochemical Pharmacology 2003, 65: 1917-1921. PMID: 12787871, DOI: 10.1016/s0006-2952(03)00143-6.Peer-Reviewed Original ResearchConceptsMitochondrial membrane potentialInner membraneRole of UCP2Normal neuronal functionDiverse tissuesUnknown functionProtein 2Functional significanceImportant playersCentral nervous systemNeuronal functionProteinMembrane potentialNervous systemUCP2Disease statesUCPBrown adipose tissueNew avenuesMitochondriaTissueAdipose tissueUCP1Better understandingUncoupler