2019
Dopamine neuronal protection in the mouse Substantia nigra by GHSR is independent of electric activity
Stutz B, Nasrallah C, Nigro M, Curry D, Liu ZW, Gao XB, Elsworth JD, Mintz L, Horvath TL. Dopamine neuronal protection in the mouse Substantia nigra by GHSR is independent of electric activity. Molecular Metabolism 2019, 24: 120-138. PMID: 30833218, PMCID: PMC6531791, DOI: 10.1016/j.molmet.2019.02.005.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsDopaminergic NeuronsGhrelinMiceMPTP PoisoningNeuroprotective AgentsPeptide FragmentsReceptors, GhrelinSubstantia NigraConceptsSN DA neuronsDA neuronsSubstantia nigraDA cellsDopamine outputNeuronal protectionNeuronal survivalParkinson's diseaseDA neuron survivalDA neuronal survivalDesigner drugs (DREADD) technologyNeuronal pacemaker activityElectrical activityMouse substantia nigraElectric activityNeuron electrical activityAnimal motor behaviorGhrelin activationGHSR activationTetrahydropyridine (MPTP) treatmentNeuroprotective factorsNeuron survivalDopamine neuronsGhrelin receptorExogenous administration
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