2012
Ucp2 Induced by Natural Birth Regulates Neuronal Differentiation of the Hippocampus and Related Adult Behavior
Simon-Areces J, Dietrich MO, Hermes G, Garcia-Segura LM, Arevalo MA, Horvath TL. Ucp2 Induced by Natural Birth Regulates Neuronal Differentiation of the Hippocampus and Related Adult Behavior. PLOS ONE 2012, 7: e42911. PMID: 22905184, PMCID: PMC3414493, DOI: 10.1371/journal.pone.0042911.Peer-Reviewed Original ResearchConceptsUCP2 expressionCellular stressHippocampal neuronsChemical inhibitionMitochondrial bioenergeticsNeuronal differentiationGenetic ablationNatural birthProtein 2Adult behaviorCell proliferationCritical roleAdult brainNeuronal numberExpressionBioenergeticsNeuronsBirthDifferentiationRegulationProliferationSynaptogenesisVitroNeuroprotectionHippocampus
2005
Input organization and plasticity of hypocretin neurons Possible clues to obesity’s association with insomnia
Horvath TL, Gao XB. Input organization and plasticity of hypocretin neurons Possible clues to obesity’s association with insomnia. Cell Metabolism 2005, 1: 279-286. PMID: 16054072, DOI: 10.1016/j.cmet.2005.03.003.Peer-Reviewed Original ResearchConceptsHypocretin neuronsSynaptic currentsHypothalamic hypocretin neuronsMore excitatory synapsesOvernight food deprivationElevated food intakeExcitatory synaptic currentsControl of arousalCause of narcolepsyStress-induced plasticityHypocretin levelsLeptin administrationHypocretin cellsHypocretin signalingMetabolic disturbancesObesity associationSynaptic organizationExcitatory synapsesFood intakeInhibitory inputsCell bodiesUnderlying causeNeuronsInput organizationFood deprivation
2004
Low CA1 Spine Synapse Density is Further Reduced by Castration in Male Non-human Primates
Leranth C, Prange-Kiel J, Frick KM, Horvath TL. Low CA1 Spine Synapse Density is Further Reduced by Castration in Male Non-human Primates. Cerebral Cortex 2004, 14: 503-510. PMID: 15054066, DOI: 10.1093/cercor/bhh012.Peer-Reviewed Original ResearchConceptsSpine synapse densitySynapse densityNon-human primatesSpine synapsesCA1 spine synapse densityPyramidal cell apical dendritesCA1 hippocampal areaCell apical dendritesCA1 stratum radiatumFemale non-human primatesMale non-human primatesMale primatesOrchidectomized animalsApical dendritesCA1 areaDendritic shaftsHippocampal areaStratum radiatumGonadal hormonesControl monkeysMale hippocampusGonadectomized animalsOvariectomized femalesAndrogen hormonesPrimate hippocampus
2000
Hormonal regulation of hippocampal spine synapse density involves subcortical mediation
Leranth C, Shanabrough M, Horvath TL. Hormonal regulation of hippocampal spine synapse density involves subcortical mediation. Neuroscience 2000, 101: 349-356. PMID: 11074158, DOI: 10.1016/s0306-4522(00)00369-9.Peer-Reviewed Original ResearchConceptsFimbria/fornix transectionSpine synapse densitySpine densitySynapse densityHippocampal spine synapse densitySubcortical structuresSubcortical mediationPyramidal cell spinesFornix transectionHippocampal CA1 subfieldHippocampal synaptic plasticityCA1 pyramidal cellsFimbria/fornixLong-term potentiationEstrogen replacementIpsilateral hippocampusContralateral hippocampusCA1 subfieldMedian raphePyramidal cellsSupramammillary areaAfferent connectionsHippocampal morphologySeptal complexNew synapses
1998
Tracing of the entorhinal‐hippocampal pathway in vitro
Kluge A, Hailer N, Horvath T, Bechmann I, Nitsch R. Tracing of the entorhinal‐hippocampal pathway in vitro. Hippocampus 1998, 8: 57-68. PMID: 9519887, DOI: 10.1002/(sici)1098-1063(1998)8:1<57::aid-hipo6>3.0.co;2-4.Peer-Reviewed Original ResearchConceptsOuter molecular layerPerforant pathDentate gyrusEntorhinal cortexEntorhinal-hippocampal interactionPerforant path axonsOrganotypic slice culturesMini-RubyPerforant fibersVitro tracingAnterograde degenerationDendritic shaftsLesion paradigmMicroglial cellsNeuronal degenerationEntorhinal neuronsNeurotoxin treatmentMolecular layerSlice culturesAxonal materialGrowth factorSubsequent phagocytosisGyrusEntorhinal-hippocampal regionFurther studies
1996
Morphological and pharmacological evidence for neuropeptide Y-galanin interaction in the rat hypothalamus
Horvath TL, Naftolin F, Leranth C, Sahu A, Kalra SP. Morphological and pharmacological evidence for neuropeptide Y-galanin interaction in the rat hypothalamus. Endocrinology 1996, 137: 3069-3077. PMID: 8770933, DOI: 10.1210/endo.137.7.8770933.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsArcuate Nucleus of HypothalamusAxonsCerebral VentriclesColchicineDendritesEstradiolEstrusFemaleGalaninHypothalamusHypothalamus, AnteriorImmunoenzyme TechniquesImmunohistochemistryLuteinizing HormoneMicroscopy, ImmunoelectronNeuronsNeuropeptide YOvariectomyParaventricular Hypothalamic NucleusPreoptic AreaProgesteroneRatsRats, Sprague-DawleySignal TransductionSubstance PSupraoptic NucleusConceptsNeuropeptide YMedial preoptic areaLH releaseGAL neuronsArcuate nucleusIntraventricular injectionParaventricular nucleusPreoptic areaSupraoptic nucleusSynaptic connectionsBasal LH releaseNPY-immunoreactive axonsPituitary hormone secretionPituitary gonadotropin releaseRelease of gonadotropinsMicroscopic examinationHypothalamic peptidergic systemsPeroxidase-antiperoxidase techniqueAvidin-biotin peroxidaseLight microscopic examinationMechanism of actionDiaminobenzidine reactionGAL releaseNPY inputNPY administration