2019
Mitochondrial 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
Mild Impairment of Mitochondrial OXPHOS Promotes Fatty Acid Utilization in POMC Neurons and Improves Glucose Homeostasis in Obesity
Timper K, Paeger L, Sánchez-Lasheras C, Varela L, Jais A, Nolte H, Vogt MC, Hausen AC, Heilinger C, Evers N, Pospisilik JA, Penninger JM, Taylor EB, Horvath TL, Kloppenburg P, Brüning JC. Mild Impairment of Mitochondrial OXPHOS Promotes Fatty Acid Utilization in POMC Neurons and Improves Glucose Homeostasis in Obesity. Cell Reports 2018, 25: 383-397.e10. PMID: 30304679, PMCID: PMC6349418, DOI: 10.1016/j.celrep.2018.09.034.Peer-Reviewed Original ResearchConceptsPOMC neuronsApoptosis-inducing factorImproved glucose metabolismFatty acid utilizationDecrease firingPomc-CreFatty acid metabolismHFD feedingReactive oxygen species formationSystemic glucoseHypothalamic proopiomelanocortinLean miceMitochondrial respirationObese miceObese conditionsInsulin sensitivityGlucose homeostasisGlucose metabolismMild impairmentOxygen species formationFiring propertiesNeuronsOxidative phosphorylationMicePartial impairment
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
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
2002
Brain mitochondrial uncoupling protein 2 (UCP2): a protective stress signal in neuronal injury
Bechmann I, Diano S, Warden CH, Bartfai T, Nitsch R, Horvath TL. Brain mitochondrial uncoupling protein 2 (UCP2): a protective stress signal in neuronal injury. Biochemical Pharmacology 2002, 64: 363-367. PMID: 12147286, DOI: 10.1016/s0006-2952(02)01166-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, Genetically ModifiedBrain InjuriesDisease Models, AnimalEntorhinal CortexGene Transfer TechniquesImmunohistochemistryIon ChannelsLearningMaleMembrane Transport ProteinsMemoryMiceMice, Inbred C57BLMitochondriaMitochondrial ProteinsNerve DegenerationNeuronsProtective AgentsProteinsRatsRats, WistarSignal TransductionStress, PhysiologicalUncoupling Protein 2