2009
Leptin Acts via Leptin Receptor-Expressing Lateral Hypothalamic Neurons to Modulate the Mesolimbic Dopamine System and Suppress Feeding
Leinninger GM, Jo YH, Leshan RL, Louis GW, Yang H, Barrera JG, Wilson H, Opland DM, Faouzi MA, Gong Y, Jones JC, Rhodes CJ, Chua S, Diano S, Horvath TL, Seeley RJ, Becker JB, Münzberg H, Myers MG. Leptin Acts via Leptin Receptor-Expressing Lateral Hypothalamic Neurons to Modulate the Mesolimbic Dopamine System and Suppress Feeding. Cell Metabolism 2009, 10: 89-98. PMID: 19656487, PMCID: PMC2723060, DOI: 10.1016/j.cmet.2009.06.011.Peer-Reviewed Original ResearchConceptsLateral hypothalamic areaVentral tegmental areaMesolimbic DA systemLepRb neuronsMesolimbic dopamine systemLeptin actionLeptin receptorDopamine systemDA systemLeptin-deficient animalsLateral hypothalamic neuronsAnorexigenic hormone leptinLeptin actsHypothalamic areaHypothalamic neuronsSuppress feedingHormone leptinTegmental areaDA contentInhibitory neuronsRate-limiting enzymeBody weightNeuronsLeptinReceptors
2006
Ghrelin modulates the activity and synaptic input organization of midbrain dopamine neurons while promoting appetite
Abizaid A, Liu ZW, Andrews ZB, Shanabrough M, Borok E, Elsworth JD, Roth RH, Sleeman MW, Picciotto MR, Tschöp MH, Gao XB, Horvath TL. Ghrelin modulates the activity and synaptic input organization of midbrain dopamine neurons while promoting appetite. Journal Of Clinical Investigation 2006, 116: 3229-3239. PMID: 17060947, PMCID: PMC1618869, DOI: 10.1172/jci29867.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAppetiteDopamineFluorescent Antibody TechniqueGhrelinMaleMesencephalonMiceMice, Inbred C57BLMice, KnockoutNeuronsNucleus AccumbensPatch-Clamp TechniquesPeptide HormonesRatsRats, Sprague-DawleyReceptors, GhrelinReceptors, G-Protein-CoupledTime FactorsVentral Tegmental AreaConceptsVentral tegmental areaGHSR-deficient miceGHSR-dependent mannerGut hormone ghrelinDopamine neuronal activityMidbrain dopamine neuronsMesolimbic reward circuitrySynaptic input organizationPeripheral ghrelinRebound feedingVTA administrationOrexigenic effectDopamine turnoverGHSR antagonistDopamine neuronsHypothalamic centersTegmental areaHormone ghrelinNucleus accumbensGhrelinNeuronal activitySynapse formationReward circuitryInput organizationFeeding schedule
2005
Uncoupling protein 2 protects dopaminergic neurons from acute 1,2,3,6‐methyl‐phenyl‐tetrahydropyridine toxicity
Conti B, Sugama S, Lucero J, Winsky‐Sommerer R, Wirz SA, Maher P, Andrews Z, Barr AM, Morale MC, Paneda C, Pemberton J, Gaidarova S, Behrens MM, Beal F, Sanna PP, Horvath T, Bartfai T. Uncoupling protein 2 protects dopaminergic neurons from acute 1,2,3,6‐methyl‐phenyl‐tetrahydropyridine toxicity. Journal Of Neurochemistry 2005, 93: 493-501. PMID: 15816872, DOI: 10.1111/j.1471-4159.2005.03052.x.Peer-Reviewed Original ResearchConceptsDopaminergic neuronsParkinson's diseaseOxidative stressSpecific neuronal expressionTyrosine hydroxylase promoterTetrahydropyridine (MPTP) toxicityCatecholaminergic neuronsSubstantia nigraHydroxylase promoterLocomotor functionMouse modelNeuronal expressionAcute exposureTransgenic miceSporadic formsTwofold elevationUCP2 expressionDiseaseMarked reductionNeuronsMiceNeuroprotectionProtein 2UCP familyDrug targets
2000
Estrogen effects on tyrosine hydroxylase-immunoreactive cells in the ventral mesencephalon of the female rat: further evidence for the two cell hypothesis of dopamine function
Zsarnovszky A, Scalise T, Horvath T, Naftolin F. Estrogen effects on tyrosine hydroxylase-immunoreactive cells in the ventral mesencephalon of the female rat: further evidence for the two cell hypothesis of dopamine function. Brain Research 2000, 868: 363-366. PMID: 10854590, DOI: 10.1016/s0006-8993(00)02323-4.Peer-Reviewed Original ResearchConceptsSubstantia nigra compactaFemale ratsTyrosine hydroxylaseVentral mesencephalic dopaminergic neuronsTyrosine hydroxylase-immunoreactive cellsMesencephalic dopaminergic neuronsVentral tegmental areaTH-immunoreactive perikaryaDifferential effectsVentral mesencephalonTH immunoreactivityDopaminergic neuronsEstrogen effectsEstradiol benzoateTegmental areaMidbrain neuronsInterfascicular nucleusDopamine functionCell hypothesisRatsCell countingNeuronsPresent studyFurther evidenceOVX