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 speciesCerebellar Kv3.3 potassium channels activate TANK-binding kinase 1 to regulate trafficking of the cell survival protein Hax-1
Zhang Y, Varela L, Szigeti-Buck K, Williams A, Stoiljkovic M, Šestan-Peša M, Henao-Mejia J, D’Acunzo P, Levy E, Flavell RA, Horvath TL, Kaczmarek LK. Cerebellar Kv3.3 potassium channels activate TANK-binding kinase 1 to regulate trafficking of the cell survival protein Hax-1. Nature Communications 2021, 12: 1731. PMID: 33741962, PMCID: PMC7979925, DOI: 10.1038/s41467-021-22003-8.Peer-Reviewed Original ResearchConceptsTank Binding Kinase 1HAX-1Kv3.3 potassium channelMultivesicular bodiesKinase 1TANK-binding kinase 1Activation of caspasesAnti-apoptotic proteinsPotassium channelsMembrane proteinsBiochemical pathwaysCerebellar neuronsChannels bindCell deathTBK1 activityIon channelsMutant channelsCellular constituentsTraffickingKv3.3 channelsProteinNeuronal survivalMutationsChannel inactivationCaspases
2018
Altered Cortical and Hippocampal Excitability in TgF344-AD Rats Modeling Alzheimer’s Disease Pathology
Stoiljkovic M, Kelley C, Stutz B, Horvath TL, Hajós M. Altered Cortical and Hippocampal Excitability in TgF344-AD Rats Modeling Alzheimer’s Disease Pathology. Cerebral Cortex 2018, 29: 2716-2727. PMID: 29920597, PMCID: PMC7302691, DOI: 10.1093/cercor/bhy140.Peer-Reviewed Original ResearchConceptsTgF344-AD ratsHippocampal theta oscillationsAlzheimer's diseaseDisease pathologyTheta-phase gamma-amplitude couplingAge-matched wild-type counterpartsAD pathological featuresDisease-modifying therapiesAccumulation of amyloidPredictive animal modelsAlzheimer's disease pathologyHigh-voltage spindlesTheta oscillationsSignificant age-dependent declineAge-dependent declineHippocampal excitabilitySharp-wave ripplesAβ accumulationNeuronal lossAD ratsPathological featuresUrethane anesthesiaAD patientsAuditory gatingAD drugs
2016
Hippocampal network dynamics in response to α7 nACh receptors activation in amyloid-β overproducing transgenic mice
Stoiljkovic M, Kelley C, Hajós GP, Nagy D, Koenig G, Leventhal L, Hajós M. Hippocampal network dynamics in response to α7 nACh receptors activation in amyloid-β overproducing transgenic mice. Neurobiology Of Aging 2016, 45: 161-168. PMID: 27459936, DOI: 10.1016/j.neurobiolaging.2016.05.021.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseΑ7 nicotinic acetylcholine receptorEffect of α7Wild-type miceGamma oscillationsNicotinic acetylcholine receptorsHippocampal network dynamicsSymptomatic treatmentClinical findingsAD patientsSaline controlsProcognitive drugsΑ7 nAChRsTransgenic miceAcetylcholine receptorsReceptor activationCognitive functionHippocampal oscillationsMiceNeurophysiological impairmentsAgonistsPower of thetaΑ7AβSignificant differences
2015
Concentration-response relationship of the α7 nicotinic acetylcholine receptor agonist FRM-17874 across multiple in vitro and in vivo assays
Stoiljkovic M, Leventhal L, Chen A, Chen T, Driscoll R, Flood D, Hodgdon H, Hurst R, Nagy D, Piser T, Tang C, Townsend M, Tu Z, Bertrand D, Koenig G, Hajós M. Concentration-response relationship of the α7 nicotinic acetylcholine receptor agonist FRM-17874 across multiple in vitro and in vivo assays. Biochemical Pharmacology 2015, 97: 576-589. PMID: 26206187, DOI: 10.1016/j.bcp.2015.07.006.Peer-Reviewed Original ResearchMeSH KeywordsAlpha7 Nicotinic Acetylcholine ReceptorAnimalsBehavior, AnimalCHO CellsCricetinaeCricetulusDose-Response Relationship, DrugFemaleGene Expression RegulationHippocampusHumansLearningMaleMemoryMiceMice, Inbred C57BLOocytesProtein BindingQuinuclidinesRatsRats, Sprague-DawleyRats, WistarThiophenesXenopus laevisConceptsHippocampal theta oscillationsTheta oscillationsNeurophysiological assaysPro-cognitive effectsNovel object recognitionStimulation-induced hippocampal theta oscillationTheta oscillation powerWater T-mazeCognitive effectsNeurophysiological correlatesDose-dependent facilitationMemory acquisitionCognitive functionT-mazeObject recognitionΑ7 nAChRsHuman α7 nAChRConcentration-response relationshipSynaptic transmissionΑ7 nicotinic acetylcholine receptorSub-maximal concentrationsRat hippocampal slicesLong-term potentiationNicotinic acetylcholine receptorsOscillation power