2022
TREM2 Deficiency Disrupts Network Oscillations Leading to Epileptic Activity and Aggravates Amyloid-β-Related Hippocampal Pathophysiology in Mice
Stoiljkovic M, Gutierrez KO, Kelley C, Horvath TL, Hajós M. TREM2 Deficiency Disrupts Network Oscillations Leading to Epileptic Activity and Aggravates Amyloid-β-Related Hippocampal Pathophysiology in Mice. Journal Of Alzheimer's Disease 2022, 88: 837-847. PMID: 34120899, PMCID: PMC8898080, DOI: 10.3233/jad-210041.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseMicroglial functionTREM2 functionTheta-phase gamma-amplitude couplingHippocampal network functionSpontaneous epileptiform seizuresNetwork oscillationsTransgenic AD modelHippocampal neuronal excitabilityMyeloid cells 2Clinical Alzheimer's diseaseWild-type miceHippocampal network oscillationsHippocampal pathophysiologyProgressive dementiaTau pathologyUrethane anesthesiaAD pathophysiologyNeuronal excitabilityEpileptiform seizuresEpileptic activityAD modelTREM2Disease pathologyCells 2Impact of TREM2 on hippocampal network oscillations in Tg2576 mice modeling amyloid‐β pathology
Stoiljkovic M, Gutierrez K, Kelley C, Horvath T, Hajos M. Impact of TREM2 on hippocampal network oscillations in Tg2576 mice modeling amyloid‐β pathology. Alzheimer's & Dementia 2022, 17 DOI: 10.1002/alz.054379.Peer-Reviewed Original ResearchAlzheimer's diseaseNeuronal network oscillationsMicroglial functionNetwork oscillationsStimulation-induced hippocampal theta oscillationTheta-phase gamma-amplitude couplingImpact of TREM2Spontaneous epileptiform seizuresTransgenic AD modelMyeloid cells 2Wild-type miceHippocampal network oscillationsHippocampal theta oscillationsProgressive dementiaTau pathologyUrethane anesthesiaLocal field potentialsCA1 regionFunctional impairmentAβ overproductionEpileptiform seizuresAD modelTREM2Phase-amplitude couplingDisease pathology
2018
Myeloid sirtuin1 deficiency aggravates hippocampal inflammation in mice fed high-fat diets
Kim KE, Jeong EA, Lee JY, Yi CO, Park KA, Jin Z, Lee JE, Horvath TL, Roh GS. Myeloid sirtuin1 deficiency aggravates hippocampal inflammation in mice fed high-fat diets. Biochemical And Biophysical Research Communications 2018, 499: 1025-1031. PMID: 29634925, DOI: 10.1016/j.bbrc.2018.04.044.Peer-Reviewed Original ResearchConceptsSirt1 KO miceHigh-fat dietInsulin resistanceKO miceLipocalin-2Inflammation-induced insulin resistanceObesity-associated insulin resistanceAnti-inflammatory effectsPrecursor protein levelsWild-type miceHippocampal inflammationWT miceMacrophage infiltrationObese miceLCN2 expressionSIRT1 knockoutType miceHFDAdipose tissueMiceProtein levelsNeuroinflammationSIRT1DietDeficiency
2016
Vaginal Exposure to Zika Virus during Pregnancy Leads to Fetal Brain Infection
Yockey LJ, Varela L, Rakib T, Khoury-Hanold W, Fink SL, Stutz B, Szigeti-Buck K, Van den Pol A, Lindenbach BD, Horvath TL, Iwasaki A. Vaginal Exposure to Zika Virus during Pregnancy Leads to Fetal Brain Infection. Cell 2016, 166: 1247-1256.e4. PMID: 27565347, PMCID: PMC5006689, DOI: 10.1016/j.cell.2016.08.004.Peer-Reviewed Original ResearchMeSH KeywordsAbortion, HabitualAnimalsBrainBrain DiseasesDisease Models, AnimalFemaleFetal Growth RetardationInterferon Regulatory Factor-3MiceMice, Inbred C57BLMice, Mutant StrainsPregnancyPregnancy Complications, InfectiousReceptor, Interferon alpha-betaVaginaVirus ReplicationZika VirusZika Virus InfectionConceptsZika virusFetal brain infectionFetal growth restrictionLocal viral replicationWild-type miceType I interferon receptorZIKV challengeTranscription factor IRF3Vaginal exposureGenital mucosaBrain infectionWT miceEarly pregnancyZIKV infectionGrowth restrictionPregnant damsVaginal infectionsZIKV replicationFetal brainMouse modelIFN pathwayVaginal tractUnborn fetusViral replicationDisease consequences
2011
Maternal Ghrelin Deficiency Compromises Reproduction in Female Progeny through Altered Uterine Developmental Programming
Martin JR, Lieber SB, McGrath J, Shanabrough M, Horvath TL, Taylor HS. Maternal Ghrelin Deficiency Compromises Reproduction in Female Progeny through Altered Uterine Developmental Programming. Endocrinology 2011, 152: 2060-2066. PMID: 21325042, PMCID: PMC3075930, DOI: 10.1210/en.2010-1485.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEmbryo ImplantationFemaleFertilityGene Expression Regulation, DevelopmentalGhrelinHeterozygoteHomeobox A10 ProteinsHomeodomain ProteinsImmunohistochemistryLitter SizeMaleMiceMice, KnockoutProliferating Cell Nuclear AntigenReproductionReverse Transcriptase Polymerase Chain ReactionTranscription FactorsUterusWnt ProteinsConceptsGhrelin deficiencyDevelopmental programmingAbnormal endometrial functionFemale wild-type miceUterus of miceLevels of ghrelinRegulation of appetiteWild-type miceReproductive tract developmentWild-type offspringSubsequent subfertilityEndometrial proliferationUnexposed miceEndometrial functionUtero exposureUterine expressionEmbryo implantationOvarian folliclesCorpora luteaGhrelinReproductive tractTract developmentMiceSignificant alterationsSubfertility
2010
Enhanced anorexigenic signaling in lean obesity resistant syndecan-3 null mice
Zheng Q, Zhu J, Shanabrough M, Borok E, Benoit SC, Horvath TL, Clegg DJ, Reizes O. Enhanced anorexigenic signaling in lean obesity resistant syndecan-3 null mice. Neuroscience 2010, 171: 1032-1040. PMID: 20923696, PMCID: PMC2991621, DOI: 10.1016/j.neuroscience.2010.09.060.Peer-Reviewed Original ResearchMeSH KeywordsAgouti-Related ProteinAlpha-MSHAnalysis of VarianceAnimalsBody WeightDose-Response Relationship, DrugEatingFeeding BehaviorFood DeprivationGene Expression RegulationMaleMiceMice, KnockoutNeuronsNeuropeptide YParaventricular Hypothalamic NucleusProto-Oncogene Proteins c-fosSignal TransductionSyndecan-3Time FactorsConceptsMelanocortin agonist melanotan IISyndecan-3 null miceParaventricular nucleusBody weightNull miceHypothalamic target neuronsNeuropeptide α-MSHRisk of diabetesC-Fos immunoreactivityHypothalamic paraventricular nucleusBody weight regulationWild-type miceTypes of cancerAnorexigenic αAgRP neuronsHormone neuronsHypothalamic circuitsNeuropeptide YAnorexigenic signalingNeuropeptide responsesCardiovascular diseaseFood intakeTarget neuronsMelanotan IIType mice
2009
Uncoupling protein-2 regulates lifespan in mice
Andrews ZB, Horvath TL. Uncoupling protein-2 regulates lifespan in mice. AJP Endocrinology And Metabolism 2009, 296: e621-e627. PMID: 19141680, PMCID: PMC2670629, DOI: 10.1152/ajpendo.90903.2008.Peer-Reviewed Original ResearchConceptsDifferent tissuesProtein 2Uncoupled mitochondrial respirationReactive oxygen species productionMammalian physiologyMutant animalsOxygen species productionMitochondrial respirationLevels of UCP2Species productionTissue functionLong lifespanUCP2Oxidative stressLifespanPostnatal survivalWild-type miceMiceTissuePhysiologyRespirationCells
2008
Hypocretin/orexin and nociceptin/orphanin FQ coordinately regulate analgesia in a mouse model of stress-induced analgesia
Xie X, Wisor JP, Hara J, Crowder TL, LeWinter R, Khroyan TV, Yamanaka A, Diano S, Horvath TL, Sakurai T, Toll L, Kilduff TS. Hypocretin/orexin and nociceptin/orphanin FQ coordinately regulate analgesia in a mouse model of stress-induced analgesia. Journal Of Clinical Investigation 2008, 118: 2471-2481. PMID: 18551194, PMCID: PMC2423866, DOI: 10.1172/jci35115.Peer-Reviewed Original ResearchMeSH KeywordsAnalgesiaAnimalsAtaxin-3Behavior, AnimalBrainCalciumCytoplasmElectrophysiologyFemaleHypothalamus, PosteriorImmunohistochemistryIntracellular Signaling Peptides and ProteinsMaleMembrane PotentialsMiceMice, Inbred C57BLMice, TransgenicNarcotic AntagonistsNeuronsNeuropeptidesNociceptin ReceptorNuclear ProteinsOpioid PeptidesOrexinsPain ThresholdPresynaptic TerminalsReaction TimeReceptors, OpioidStress, PhysiologicalTetrodotoxinTranscription FactorsConceptsStress-induced analgesiaHcrt neuronsWild-type miceHypocretin/orexinNociceptin/orphanin FQMouse hypothalamic slicesCorticotropin-releasing factorPatch-clamp recordingsOrexin/ataxinPostsynaptic effectsPresynaptic releaseOrphanin FQElectron microscopic levelHypothalamic slicesSynaptic contactsHcrt-1Hcrt systemMouse modelAnalgesiaClamp recordingsPeptidergic systemsAction potentialsBrain tissueNeuronsInput resistance
2006
Synaptic Plasticity in Energy Balance Regulation
Horvath TL. Synaptic Plasticity in Energy Balance Regulation. Obesity 2006, 14: 228s-233s. PMID: 17021372, DOI: 10.1038/oby.2006.314.Peer-Reviewed Original ResearchConceptsOb/ob miceNumber of excitatoryNeuropeptide YSynaptic plasticityPOMC neuronsOb miceFood intakeBehavioral effectsLeptin receptor-deficient miceRearrangement of synapsesLeptin-deficient miceReceptor-deficient miceHypothalamic arcuate nucleusOb/obEnergy balance regulationWild-type miceInfluences brain functionObserved synaptic plasticityWild-type animalsProopiomelanocortin neuronsAnorexigenic hormonesOrexigenic hormonePost-synaptic densityGlutamate inputsExtrahypothalamic sites
2004
Rapid Rewiring of Arcuate Nucleus Feeding Circuits by Leptin
Pinto S, Roseberry AG, Liu H, Diano S, Shanabrough M, Cai X, Friedman JM, Horvath TL. Rapid Rewiring of Arcuate Nucleus Feeding Circuits by Leptin. Science 2004, 304: 110-115. PMID: 15064421, DOI: 10.1126/science.1089459.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArcuate Nucleus of HypothalamusBody WeightEatingEvoked PotentialsExcitatory Postsynaptic PotentialsFeeding BehaviorGamma-Aminobutyric AcidGhrelinGlutamic AcidGreen Fluorescent ProteinsIn Vitro TechniquesLeptinLuminescent ProteinsMiceMice, ObeseMice, TransgenicNeuronal PlasticityNeuronsNeuropeptide YPatch-Clamp TechniquesPeptide HormonesPro-OpiomelanocortinRecombinant Fusion ProteinsSynapsesTetrodotoxinTransgenesConceptsProopiomelanocortin neuronsNeuropeptide YFat-derived hormone leptinBehavioral effectsOb/ob miceLeptin-deficient miceOb/obHypothalamic arcuate nucleusWild-type miceNumber of excitatoryArcuate nucleusLeptin effectsPostsynaptic currentsOb miceHormone leptinSynaptic densityInhibitory synapsesFood intakeNeuronal typesLeptinMiceNeuronsFeeding circuitRapid rewiringHours