2006
Uncoupling protein‐2 promotes nigrostriatal dopamine neuronal function
Andrews ZB, Rivera A, Elsworth JD, Roth RH, Agnati L, Gago B, Abizaid A, Schwartz M, Fuxe K, Horvath TL. Uncoupling protein‐2 promotes nigrostriatal dopamine neuronal function. European Journal Of Neuroscience 2006, 24: 32-36. PMID: 16882005, DOI: 10.1111/j.1460-9568.2006.04906.x.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnimalsCorpus StriatumDopamineDopamine Plasma Membrane Transport ProteinsImmunohistochemistryIon ChannelsMaleMembrane Transport ProteinsMiceMice, KnockoutMitochondrial ProteinsMotor ActivityNeuronsSubstantia NigraTyrosine 3-MonooxygenaseUncoupling Protein 2ConceptsSubstantia nigra pars compactaDopamine neuronal functionUCP2-KO miceParkinson's diseaseNeuronal functionNigrostriatal dopamine functionTyrosine hydroxylase immunoreactivityUCP2 knockout miceDopamine transporter immunoreactivityProtein 2Wild-type controlsHydroxylase immunoreactivityPars compactaDopamine turnoverTransporter immunoreactivityDopamine ratioBehavioral deficitsLocomotor functionNucleus accumbensBiochemical deficitsDopamine functionBrain regionsNeurological pathologiesDiseaseMiceUncoupling 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
2005
Uncoupling protein 2 protects dopaminergic neurons from acute 1,2,3,6‐methyl‐phenyl‐tetrahydropyridine toxicity
Conti B, Sugama S, Lucero J, Winsky‐Sommerer R, Wirz SA, Maher P, Andrews Z, Barr AM, Morale MC, Paneda C, Pemberton J, Gaidarova S, Behrens MM, Beal F, Sanna PP, Horvath T, Bartfai T. Uncoupling protein 2 protects dopaminergic neurons from acute 1,2,3,6‐methyl‐phenyl‐tetrahydropyridine toxicity. Journal Of Neurochemistry 2005, 93: 493-501. PMID: 15816872, DOI: 10.1111/j.1471-4159.2005.03052.x.Peer-Reviewed Original ResearchConceptsDopaminergic neuronsParkinson's diseaseOxidative stressSpecific neuronal expressionTyrosine hydroxylase promoterTetrahydropyridine (MPTP) toxicityCatecholaminergic neuronsSubstantia nigraHydroxylase promoterLocomotor functionMouse modelNeuronal expressionAcute exposureTransgenic miceSporadic formsTwofold elevationUCP2 expressionDiseaseMarked reductionNeuronsMiceNeuroprotectionProtein 2UCP familyDrug targetsUncoupling Protein-2 Is Critical for Nigral Dopamine Cell Survival in a Mouse Model of Parkinson's Disease
Andrews ZB, Horvath B, Barnstable CJ, Elseworth J, Yang L, Beal MF, Roth RH, Matthews RT, Horvath TL. Uncoupling Protein-2 Is Critical for Nigral Dopamine Cell Survival in a Mouse Model of Parkinson's Disease. Journal Of Neuroscience 2005, 25: 184-191. PMID: 15634780, PMCID: PMC6725213, DOI: 10.1523/jneurosci.4269-04.2005.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine1-Methyl-4-phenylpyridiniumAnimalsCell SurvivalCorpus StriatumDisease Models, AnimalDopamineHumansImmunohistochemistryIon ChannelsMaleMembrane Transport ProteinsMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicMitochondriaMitochondrial ProteinsOxygen ConsumptionParkinsonian DisordersReactive Oxygen SpeciesSubstantia NigraUncoupling Protein 2ConceptsProtein 2Mitochondrial ROS productionLack of UCP2Reactive oxygen species productionGenetic manipulationOxygen species productionMitochondria numberCell metabolismATP synthesisCell survivalOverexpression of UCP2Wild-type controlsMitochondrial uncouplingNovel therapeutic targetROS productionUCP2Species productionElectron microscopic analysisOverexpressionCell functionUCP2 overexpressionDopamine cell survivalTherapeutic targetFluorescent ethidiumDopamine cell function
2004
Dynamics of volume transmission in the brain. Focus on catecholamine and opioid peptide communication and the role of uncoupling protein 2
Fuxe K, Rivera A, Jacobsen KX, Höistad M, Leo G, Horvath TL, Staines W, De la Calle A, Agnati LF. Dynamics of volume transmission in the brain. Focus on catecholamine and opioid peptide communication and the role of uncoupling protein 2. Journal Of Neural Transmission 2004, 112: 65-76. PMID: 15599605, DOI: 10.1007/s00702-004-0158-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainBrain ChemistryCatecholaminesHumansIon ChannelsMembrane Transport ProteinsMitochondrial ProteinsOpioid PeptidesSynaptic TransmissionUncoupling Protein 2
2003
Uncoupling Protein 2 Prevents Neuronal Death Including that Occurring during Seizures: A Mechanism for Preconditioning
Diano S, Matthews RT, Patrylo P, Yang L, Beal MF, Barnstable CJ, Horvath TL. Uncoupling Protein 2 Prevents Neuronal Death Including that Occurring during Seizures: A Mechanism for Preconditioning. Endocrinology 2003, 144: 5014-5021. PMID: 12960023, DOI: 10.1210/en.2003-0667.Peer-Reviewed Original ResearchConceptsFree radical-induced cell deathFree radical-induced damageCell deathSeizure inductionSeizure activityNeuronal deathRadical-induced damageTransgenic miceNeurodegenerative disordersCellular stressRobust reductionUCP2 levelsParallel decreaseDeathATP levelsPC12 cellsProtein 2Mitochondrial uncoupling proteinUCP2Mitochondrial numberCellular energy productionFree radicalsHarmful effectsUncoupling proteinEpilepsyCoenzyme Q Induces Nigral Mitochondrial Uncoupling and Prevents Dopamine Cell Loss in a Primate Model of Parkinson’s Disease
Horvath TL, Diano S, Leranth C, Garcia-Segura LM, Cowley MA, Shanabrough M, Elsworth JD, Sotonyi P, Roth RH, Dietrich EH, Matthews RT, Barnstable CJ, Redmond DE. Coenzyme Q Induces Nigral Mitochondrial Uncoupling and Prevents Dopamine Cell Loss in a Primate Model of Parkinson’s Disease. Endocrinology 2003, 144: 2757-2760. PMID: 12810526, DOI: 10.1210/en.2003-0163.Peer-Reviewed Original ResearchConceptsDopamine cell lossParkinson's diseaseCell lossShort-term oral administrationMitochondrial uncouplingSubstantia nigraDopamine neuronsTetrahydropyridine (MPTP) administrationCoenzyme QPrimate modelOral administrationDiseaseOxidative stressState 4 respirationMitochondrial uncoupling proteinAdministrationUncoupling proteinUncouplingNeuronsNigraTetrahydropyridineUncoupling proteins-2 and 3 influence obesity and inflammation in transgenic mice
Horvath TL, Diano S, Miyamoto S, Barry S, Gatti S, Alberati D, Livak F, Lombardi A, Moreno M, Goglia F, Mor G, Hamilton J, Kachinskas D, Horwitz B, Warden CH. Uncoupling proteins-2 and 3 influence obesity and inflammation in transgenic mice. International Journal Of Obesity 2003, 27: 433-442. PMID: 12664076, DOI: 10.1038/sj.ijo.0802257.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAnimalsBasal MetabolismBlotting, NorthernBlotting, WesternBody TemperatureCarrier ProteinsCholesterol, LDLEnergy IntakeGene Expression RegulationHeart RateInflammationIon ChannelsMaleMembrane Transport ProteinsMiceMice, Inbred C57BLMice, TransgenicMitochondriaMitochondrial ProteinsObesityProteinsUncoupling Protein 2Uncoupling Protein 3ConceptsTransgenic miceFat massLow-density lipoprotein cholesterol levelsHeterozygous miceAgouti obese miceHypothalamic neuropeptide levelsSpontaneous physical activityLipoprotein cholesterol levelsNontransgenic littermate controlsFat pad weightEndotoxin-induced feverWild-type littermatesHuman UCP2Significant differencesMechanism of actionLDL cholesterolControl miceFemale transgenicsNontransgenic littermatesObese miceEndotoxin injectionCholesterol levelsPad weightNeuropeptide levelsFood intake
2002
Uncoupling protein 2 in primary pain and temperature afferents of the spinal cord
Horvath B, Spies C, Warden CH, Diano S, Horvath TL. Uncoupling protein 2 in primary pain and temperature afferents of the spinal cord. Brain Research 2002, 955: 260-263. PMID: 12419545, DOI: 10.1016/s0006-8993(02)03364-4.Peer-Reviewed Original ResearchConceptsSpinal cordExpression of UCP2Primary sensory afferentsMechanisms of painProtein 2Primary painSensory afferentsSubstantia gelatinosaVentral hornSubstance P.Axon terminalsCordEnergy homeostasisUCP2 expressionDirect appositionTemperature sensationMitochondrial protonophorePainAfferentsUCP2Mitochondrial uncouplerCellular energy homeostasisExpressionPerikaryaAxonsBrain 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 2Uncoupling protein 2 (UCP2) lowers alcohol sensitivity and pain threshold
Horvath B, Spies C, Horvath G, Kox WJ, Miyamoto S, Barry S, Warden CH, Bechmann I, Diano S, Heemskerk J, Horvath TL. Uncoupling protein 2 (UCP2) lowers alcohol sensitivity and pain threshold. Biochemical Pharmacology 2002, 64: 369-374. PMID: 12147287, DOI: 10.1016/s0006-2952(02)01167-x.Peer-Reviewed Original ResearchConceptsCentral nervous systemTemperature sensationNervous systemBasal forebrain areasMajor risk factorAcute ethanol exposureAcute alcohol consumptionImpairment of painPeripheral energy expenditureAbuse of ethanolProtein 2Ethanol-induced toleranceWild-type animalsUCP2 knockoutPain thresholdTime of recoveryInduces toleranceRisk factorsEthanol exposureForebrain areasAxon terminalsNeuronal responsesAcute exposureAlcohol consumptionEnergy homeostasis
2000
Mitochondrial Uncoupling Protein 2 (UCP2) in the Nonhuman Primate Brain and Pituitary*This work was supported by NSF Grant IBN-9728581, NIH Grants NS-36111, MH-59847, RR-00163, HD-29186, and HD-37186.
Diano S, Urbanski H, Horvath B, Bechmann I, Kagiya A, Nemeth G, Naftolin F, Warden C, Horvath T. Mitochondrial Uncoupling Protein 2 (UCP2) in the Nonhuman Primate Brain and Pituitary*This work was supported by NSF Grant IBN-9728581, NIH Grants NS-36111, MH-59847, RR-00163, HD-29186, and HD-37186. Endocrinology 2000, 141: 4226-4238. PMID: 11089557, DOI: 10.1210/endo.141.11.7740.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain ChemistryChlorocebus aethiopsCorticotropin-Releasing HormoneGene ExpressionHypothalamusImmunohistochemistryIn Situ HybridizationIon ChannelsLimbic SystemMacaca fascicularisMacaca mulattaMembrane Transport ProteinsMicroscopy, FluorescenceMitochondrial ProteinsNeuropeptide YOxytocinPituitary GlandPituitary Gland, AnteriorPituitary Gland, PosteriorProteinsRNA, MessengerUncoupling Protein 2VasopressinsConceptsUncoupling protein 2Pituitary glandAnterior lobePrimate brainAxonal processesBrain stem regionsNonhuman primate brainSitu hybridization histochemistryMessenger RNACentral autonomicRR-00163Mitochondrial uncoupling protein 2Neuropeptide YPrimate hypothalamusAnterior pituitaryMetabolic disordersRodent brainPosterior lobeHybridization histochemistryPOMC cellsCell bodiesUCP2 expressionRodent dataNovel targetBrain
1999
Brain Uncoupling Protein 2: Uncoupled Neuronal Mitochondria Predict Thermal Synapses in Homeostatic Centers
Horvath T, Warden C, Hajos M, Lombardi A, Goglia F, Diano S. Brain Uncoupling Protein 2: Uncoupled Neuronal Mitochondria Predict Thermal Synapses in Homeostatic Centers. Journal Of Neuroscience 1999, 19: 10417-10427. PMID: 10575039, PMCID: PMC6782406, DOI: 10.1523/jneurosci.19-23-10417.1999.Peer-Reviewed Original ResearchConceptsC-Fos-expressing cellsPeripheral energy homeostasisHormone-releasing hormoneHypothalamic neuronal populationsCorticotropin-releasing factorMelanin-concentrating hormoneMitochondria of neuronsUCP2 proteinPeripheral hormonesProximal dendritesNeuropeptide YGonadal steroidsModulates neurotransmissionAxon terminalsBasal brainLocal brainNeuronal populationsAxonal processesNeuronal mitochondriaPeptidergic circuitsBrain circuitsEnergy homeostasisCold exposureNeuronsEndocrine processes