2020
Functional Aspects of Hypothalamic Asymmetry
Kiss DS, Toth I, Jocsak G, Barany Z, Bartha T, Frenyo LV, Horvath TL, Zsarnovszky A. Functional Aspects of Hypothalamic Asymmetry. Brain Sciences 2020, 10: 389. PMID: 32575391, PMCID: PMC7349050, DOI: 10.3390/brainsci10060389.Peer-Reviewed Original ResearchFunctional lateralizationFunctional asymmetryHigher brain functionsHypothalamic controlSmall brain regionsCirculatory functionBrain areasReproductive functionBrain regionsBrain functionBrain halvesHypothalamic asymmetryEnergy expenditureBrain processingBody temperatureHypothalamusHomeostatic processesCircadian rhythmHemispheric specializationLateralizationData highlightPrevious studiesNesfatin-1 decreases the motivational and rewarding value of food
Dore R, Krotenko R, Reising JP, Murru L, Sundaram SM, Di Spiezio A, Müller-Fielitz H, Schwaninger M, Jöhren O, Mittag J, Passafaro M, Shanabrough M, Horvath TL, Schulz C, Lehnert H. Nesfatin-1 decreases the motivational and rewarding value of food. Neuropsychopharmacology 2020, 45: 1645-1655. PMID: 32353862, PMCID: PMC7419560, DOI: 10.1038/s41386-020-0682-3.Peer-Reviewed Original ResearchConceptsNUCB2/nesfatinNesfatin-1Nucleobindin-2Food intakeNesfatin-1 actionDopaminergic neuron activityFasting-induced increaseReward-related brain areasOutward potassium currentHedonic pathwaysHedonic feedingGABA neuronsLeptin resistanceBrain areasPotassium currentNeuron activityFood rewardEnergy intakeReward circuitryElectrophysiological recordingsNesfatinCentral administrationEnhanced sensitizationIntakeHomeostatic mechanisms
2011
Obesity is associated with hypothalamic injury in rodents and humans
Thaler JP, Yi CX, Schur EA, Guyenet SJ, Hwang BH, Dietrich MO, Zhao X, Sarruf DA, Izgur V, Maravilla KR, Nguyen HT, Fischer JD, Matsen ME, Wisse BE, Morton GJ, Horvath TL, Baskin DG, Tschöp MH, Schwartz MW. Obesity is associated with hypothalamic injury in rodents and humans. Journal Of Clinical Investigation 2011, 122: 153-162. PMID: 22201683, PMCID: PMC3248304, DOI: 10.1172/jci59660.Peer-Reviewed Original ResearchConceptsHigh-fat dietHFD feedingMediobasal hypothalamusPeripheral tissuesRodent modelsBody weight controlHypothalamic arcuate nucleusSubstantial weight gainConsequences of obesityNeuron injuryHypothalamic injuryNeuronal injuryNeuroprotective mechanismsReactive gliosisObese humansHypothalamic areaArcuate nucleusInflammatory signalingBrain areasWeight controlObesityGliosisEnergy homeostasisWeight gainInflammation
2010
Direct inhibition of hypocretin/orexin neurons in the lateral hypothalamus by nociceptin/orphanin FQ blocks stress-induced analgesia in rats
Gerashchenko D, Horvath TL, Xie X. Direct inhibition of hypocretin/orexin neurons in the lateral hypothalamus by nociceptin/orphanin FQ blocks stress-induced analgesia in rats. Neuropharmacology 2010, 60: 543-549. PMID: 21195099, PMCID: PMC3031765, DOI: 10.1016/j.neuropharm.2010.12.026.Peer-Reviewed Original ResearchMeSH KeywordsAnalgesiaAnalysis of VarianceAnimalsCell CountHypothalamic Area, LateralImmunohistochemistryIntracellular Signaling Peptides and ProteinsMaleMicroinjectionsMicroscopy, ElectronNeuronsNeuropeptidesOpioid PeptidesOrexinsPain MeasurementPain PerceptionProto-Oncogene Proteins c-fosRatsRats, Sprague-DawleyReceptors, OpioidRestraint, PhysicalStatistics, NonparametricStress, PhysiologicalConceptsStress-induced analgesiaHcrt neuronsLateral hypothalamusPerifornical areaNociceptin/orphanin FQ systemHypocretin/orexin neuronsNociceptin/orphanin FQHcrt neuronal activityDirect inhibitionThermal pain thresholdThermal nociceptive testsHypocretin/orexinFos immunohistochemistryOrexin neuronsBilateral microinjectionIntracerebroventricular injectionPain thresholdNociceptive testsOrphanin FQOFQ receptorMouse modelNeuronal activityBrain areasHypothalamusNeurons
2009
Feeding signals and brain circuitry
Dietrich MO, Horvath TL. Feeding signals and brain circuitry. European Journal Of Neuroscience 2009, 30: 1688-1696. PMID: 19878280, DOI: 10.1111/j.1460-9568.2009.06963.x.Peer-Reviewed Original Research
2006
Ghrelin controls hippocampal spine synapse density and memory performance
Diano S, Farr SA, Benoit SC, McNay EC, da Silva I, Horvath B, Gaskin FS, Nonaka N, Jaeger LB, Banks WA, Morley JE, Pinto S, Sherwin RS, Xu L, Yamada KA, Sleeman MW, Tschöp MH, Horvath TL. Ghrelin controls hippocampal spine synapse density and memory performance. Nature Neuroscience 2006, 9: 381-388. PMID: 16491079, DOI: 10.1038/nn1656.Peer-Reviewed Original ResearchConceptsHippocampal spine synapse densitySpine synapse densitySpine synapse formationGrowth hormone releaseNovel therapeutic strategiesLong-term potentiationHigher brain functionsEnhanced spatial learningGut hormonesGhrelin administrationHypothalamic actionSynapse densitySpine synapsesCA1 regionHormone releaseNeuropeptide ghrelinGhrelin bindingHippocampal formationTherapeutic strategiesMelanocortin systemGhrelinBrain areasMetabolic controlSynaptic changesSynaptic plasticity