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 2
2021
Ucp2-dependent microglia-neuronal coupling controls ventral hippocampal circuit function and anxiety-like behavior
Yasumoto Y, Stoiljkovic M, Kim JD, Sestan-Pesa M, Gao XB, Diano S, Horvath TL. Ucp2-dependent microglia-neuronal coupling controls ventral hippocampal circuit function and anxiety-like behavior. Molecular Psychiatry 2021, 26: 2740-2752. PMID: 33879866, PMCID: PMC8056795, DOI: 10.1038/s41380-021-01105-1.Peer-Reviewed Original ResearchConceptsAnxiety-like behaviorReactive oxygen speciesMicroglia-synapse contactsSpine synapse numberHippocampal circuit functionNeuronal circuit dysfunctionMicroglial productionVentral hippocampusCircuit dysfunctionSpine synapsesSynapse numberAdult brainTransient riseMitochondrial ROS generationMicrogliaBrain functionConditional ablationPhagocytic inclusionsSynaptic elementsProtein 2ROS generationSignificant reductionCircuit functionConsequent accumulationOxygen species
2018
Role of astrocytes, microglia, and tanycytes in brain control of systemic metabolism
García-Cáceres C, Balland E, Prevot V, Luquet S, Woods SC, Koch M, Horvath TL, Yi CX, Chowen JA, Verkhratsky A, Araque A, Bechmann I, Tschöp MH. Role of astrocytes, microglia, and tanycytes in brain control of systemic metabolism. Nature Neuroscience 2018, 22: 7-14. PMID: 30531847, DOI: 10.1038/s41593-018-0286-y.Peer-Reviewed Original ResearchConceptsControl of metabolismNon-neuronal cellsNeuronal-glial networksFunctional interactionSpecific neuronal subpopulationsEnergy metabolismHypothalamic feeding circuitsRole of astrocytesPhysiological responsesGlial-neuronal interactionsMetabolismFood-related cuesNeuronal subpopulationsSystemic metabolismFood intakeBrain controlMetabolic statusRecent advancesMicrogliaAstrocytesGeneticsTanycytesComplex setBiologyInteroceptive signals
2017
Microglial Proliferation in Obesity: When, Where, Why, and What Does It Mean?
Chowen JA, Horvath TL, Argente J. Microglial Proliferation in Obesity: When, Where, Why, and What Does It Mean? Diabetes 2017, 66: 804-805. PMID: 28325742, PMCID: PMC5360305, DOI: 10.2337/dbi16-0073.Peer-Reviewed Original Research
2016
Hypothalamic TLR2 triggers sickness behavior via a microglia-neuronal axis
Jin S, Kim JG, Park JW, Koch M, Horvath TL, Lee BJ. Hypothalamic TLR2 triggers sickness behavior via a microglia-neuronal axis. Scientific Reports 2016, 6: 29424. PMID: 27405276, PMCID: PMC4942617, DOI: 10.1038/srep29424.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnorexiaArcuate Nucleus of HypothalamusCyclooxygenase InhibitorsEnergy MetabolismFeverInflammationLipopeptidesMaleMiceMice, KnockoutMicrogliaMyeloid Differentiation Factor 88NF-kappa BPro-OpiomelanocortinRatsReceptor, Melanocortin, Type 3Receptor, Melanocortin, Type 4Toll-Like Receptor 2Weight LossConceptsSickness behaviorHypothalamic inflammationToll-like receptor 2 (TLR2) activationSickness behavior symptomsNuclear factor kappa BBody weight lossReceptor 2 activationFactor kappa BNeuronal circuit functionHypothalamic microgliaProopiomelanocortin neuronsInflammatory mechanismsIntracerebroventricular injectionPathophysiologic mechanismsTLR2 activationInflammatory processCyclooxygenase pathwayNeuronal activationKappa BBehavior symptomsWeight lossInput organizationMicrogliaTLR2Inflammation
2013
Uncovering Novel Roles of Nonneuronal Cells in Body Weight Homeostasis and Obesity
Chowen JA, Argente J, Horvath TL. Uncovering Novel Roles of Nonneuronal Cells in Body Weight Homeostasis and Obesity. Endocrinology 2013, 154: 3001-3007. PMID: 23798599, PMCID: PMC3749483, DOI: 10.1210/en.2013-1303.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAstrocytesEnergy MetabolismEpendymaHomeostasisHumansHypothalamusMicrogliaObesityConceptsGlial cellsDiverse functionsNovel rolePhysiological functionsNumerous pathologiesPhysiological regulationNonneuronal cellsBody weight homeostasisCentral nervous systemSecondary complicationsWeight homeostasisCellsPathophysiological responsesSystemic metabolismMetabolic controlNervous systemVast lackPoor nutritionStructural supportNeuroendocrine researchObesityAreas of neuroscienceRecent advancesHeterogeneous classRole
1999
Estrogen and microglia: A regulatory system that affects the brain
Mor G, Nilsen J, Horvath T, Bechmann I, Brown S, Garcia‐Segura L, Naftolin F. Estrogen and microglia: A regulatory system that affects the brain. Developmental Neurobiology 1999, 40: 484-496. PMID: 10453051, DOI: 10.1002/(sici)1097-4695(19990915)40:4<484::aid-neu6>3.0.co;2-c.Peer-Reviewed Original ResearchConceptsSex hormonesRat microglial cellsSecretion of cytokinesPresence of estrogenGlial cell typesMicroglial functionEstrogen actionMicroglial cellsGonadal steroidsGlial cellsSteroid actionNeuroendocrine eventsMicrogliaPresent review detailsGrowth factorEstrogenBrainPhysiological regulationHormoneCell typesReview detailsNew studiesRegulatory actionCellsRegulatory functions