2022
A hypothalamic dopamine locus for psychostimulant-induced hyperlocomotion in mice
Korchynska S, Rebernik P, Pende M, Boi L, Alpár A, Tasan R, Becker K, Balueva K, Saghafi S, Wulff P, Horvath TL, Fisone G, Dodt HU, Hökfelt T, Harkany T, Romanov RA. A hypothalamic dopamine locus for psychostimulant-induced hyperlocomotion in mice. Nature Communications 2022, 13: 5944. PMID: 36209152, PMCID: PMC9547883, DOI: 10.1038/s41467-022-33584-3.Peer-Reviewed Original ResearchConceptsLateral septumDopamine neuronsSuprachiasmatic nucleusSomatostatin-containing neuronsStimulation ex vivoAmphetamine-induced hyperlocomotionRegulation of locomotionDopamine outputChemogenetic inhibitionNeuropeptidergic innervationPeriventricular nucleusChemogenetic manipulationHypothalamic lociSynaptic targetsAnterior subdivisionEx vivoBrain clockNeuronsSedentary periodL activityHyperlocomotionCellular targetsMicePeVNInnervation
2016
Molecular interrogation of hypothalamic organization reveals distinct dopamine neuronal subtypes
Romanov RA, Zeisel A, Bakker J, Girach F, Hellysaz A, Tomer R, Alpár A, Mulder J, Clotman F, Keimpema E, Hsueh B, Crow AK, Martens H, Schwindling C, Calvigioni D, Bains JS, Máté Z, Szabó G, Yanagawa Y, Zhang MD, Rendeiro A, Farlik M, Uhlén M, Wulff P, Bock C, Broberger C, Deisseroth K, Hökfelt T, Linnarsson S, Horvath TL, Harkany T. Molecular interrogation of hypothalamic organization reveals distinct dopamine neuronal subtypes. Nature Neuroscience 2016, 20: 176-188. PMID: 27991900, PMCID: PMC7615022, DOI: 10.1038/nn.4462.Peer-Reviewed Original Research
2004
Direct visual and circadian pathways target neuroendocrine cells in primates
Abizaid A, Horvath B, Keefe DL, Leranth C, Horvath TL. Direct visual and circadian pathways target neuroendocrine cells in primates. European Journal Of Neuroscience 2004, 20: 2767-2776. PMID: 15548220, DOI: 10.1111/j.1460-9568.2004.03737.x.Peer-Reviewed Original ResearchConceptsSuprachiasmatic nucleusRetinal inputNeuroendocrine cellsDirect retinal inputHormone-releasing hormoneNon-human primatesHypothalamic suprachiasmatic nucleusSCN efferentsHypothalamic areaHypothalamic neuronsHypothalamic sitesMonosynaptic pathwayVisual afferentsHypothalamic regulatorGonadal axisHormone releaseNeuroendocrine functionPituitary gonadotropsPhotic modulationNeuronsCircadian pacemakerVervet monkeysPresent studyTracing techniquesCircadian clockEstradiol enhances light-induced expression of transcription factors in the SCN
Abizaid A, Mezei G, Horvath TL. Estradiol enhances light-induced expression of transcription factors in the SCN. Brain Research 2004, 1010: 35-44. PMID: 15126115, DOI: 10.1016/j.brainres.2004.01.089.Peer-Reviewed Original ResearchAnimalsCalbindinsCholesterolCircadian RhythmCREB-Binding ProteinCyclic AMP Response Element-Binding ProteinDNA-Binding ProteinsEarly Growth Response Protein 1EstradiolEstrous CycleFemaleImmediate-Early ProteinsLightNuclear ProteinsOvariectomyPhotic StimulationProto-Oncogene Proteins c-fosRatsRats, Sprague-DawleyS100 Calcium Binding Protein GSuprachiasmatic NucleusTrans-ActivatorsTranscription FactorsUp-RegulationSex differences in adult suprachiasmatic nucleus neurons emerging late prenatally in rats
Abizaid A, Mezei G, Sotonyi P, Horvath TL. Sex differences in adult suprachiasmatic nucleus neurons emerging late prenatally in rats. European Journal Of Neuroscience 2004, 19: 2488-2496. PMID: 15128402, DOI: 10.1111/j.0953-816x.2004.03359.x.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnalysis of VarianceAnimalsAnimals, NewbornArginine VasopressinBromodeoxyuridineCalbindin 1CalbindinsCell CountEmbryo, MammalianFemaleGeniculate BodiesGlial Fibrillary Acidic ProteinImmunohistochemistryMaleNeuronsNeuropeptide YPregnancyPrenatal Exposure Delayed EffectsRatsRats, Sprague-DawleyS100 Calcium Binding Protein GSex CharacteristicsSuprachiasmatic NucleusTestosterone PropionateConceptsSuprachiasmatic nucleusGonadal steroidsFemale ratsLate gestationSex differencesPregnant female ratsVasoactive intestinal peptideGestational day 18Postnatal day 60BrdU-labeled cellsCalbindin-D28KSuprachiasmatic nucleus neuronsCircadian rhythmIntestinal peptideNucleus neuronsDouble immunocytochemistryGonadal functionTestosterone propionateBrain sectionsRat fetusesDay 18Day 60Cell groupsRatsSCN cells
1997
Evidence for a direct neuronal pathway from the suprachiasmatic nucleus to the gonadotropin‐releasing hormone system: Combined tracing and light and electron microscopic immunocytochemical studies
Van Der Beek E, Horvath T, Wiegant V, Van Den Hurk R, Buijs R. Evidence for a direct neuronal pathway from the suprachiasmatic nucleus to the gonadotropin‐releasing hormone system: Combined tracing and light and electron microscopic immunocytochemical studies. The Journal Of Comparative Neurology 1997, 384: 569-579. PMID: 9259490, DOI: 10.1002/(sici)1096-9861(19970811)384:4<569::aid-cne6>3.0.co;2-0.Peer-Reviewed Original ResearchConceptsSuprachiasmatic nucleusFemale ratsGnRH systemGnRH-immunoreactive cell bodiesGonadotropin-releasing hormone (GnRH) neuronsDaily LH surgesImplantation of estrogenOvariectomized rats resultsRostral ventrolateral portionGonadotropin-releasing hormone (GnRH) systemVasoactive intestinal polypeptideElectron microscopic immunocytochemical studyHormone neuronsGnRH neuronsIntestinal polypeptideLH surgeMonosynaptic pathwayPutative transmittersAnterograde tracerPreoptic areaNeuronal pathwaysRats resultsVentrolateral portionBilateral projectionsFemale rodentsSuprachiasmatic efferents avoid phenestrated capillaries but innervate neuroendocrine cells, including those producing dopamine.
Horvath T. Suprachiasmatic efferents avoid phenestrated capillaries but innervate neuroendocrine cells, including those producing dopamine. Endocrinology 1997, 138: 1312-20. PMID: 9048641, DOI: 10.1210/endo.138.3.4976.Peer-Reviewed Original ResearchConceptsPituitary hormone secretionVasculosum laminae terminalisSuprachiasmatic nucleusHormone secretionNeuroendocrine cellsPreoptic areaLamina terminalisDopamine cellsMedian eminenceAnterior pituitary hormone secretionMedial preoptic areaDiffuse cytoplasmic labelingPhaseolus vulgaris leukoagglutininFluorogold labelingPeriventricular areaArcuate nucleusHypothalamic sitesIP administrationVentromedial nucleusAnterior hypothalamusAnterograde tracerAxon terminalsPeriventricular regionElectron microscopic examinationTyrosine hydroxylase