Substantia NigraDopamineParkinsonian DisordersParkinson DiseaseSubstantia GelatinosaTyrosine 3-MonooxygenaseDopaminergic NeuronsCorpus StriatumMesencephalonOxidopamine1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineNeuronsMPTP PoisoningParkinson Disease, SecondarySubstantia Innominataalpha-SynucleinBasal GangliaTegmentum MesencephaliGlobus PallidusLewy BodiesVentral Tegmental AreaRats, Sprague-DawleyNerve DegenerationNeostriatumApomorphineCaudate NucleusBrainReceptors, DopamineReceptors, Dopamine D2LevodopaDopamine AgentsPutamenNeural PathwaysAutoradiography1-Methyl-4-phenylpyridiniumSubthalamic NucleusDopamine Plasma Membrane Transport ProteinsDopamine Agonists3,4-Dihydroxyphenylacetic AcidHydroxydopaminesSynucleinsDopamine AntagonistsBehavior, Animalgamma-Aminobutyric AcidExtrapyramidal TractsRed NucleusDisease Models, AnimalQuinpiroleMotor ActivityGlial Cell Line-Derived Neurotrophic FactorHypokinesiaNeurotoxinsAntiparkinson AgentsImmunohistochemistryNeuroprotective AgentsThalamusSympatholyticsBrain Chemistry2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineMelaninsSulpirideReceptors, Dopamine D1Receptors, Dopamine D3Homovanillic AcidNerve Tissue ProteinsNomifensineMice, Inbred C57BLHaloperidolStereotaxic TechniquesBrain Tissue TransplantationBenzazepinesAction PotentialsRats, WistarStilbamidinesMedial Forebrain BundleElectric StimulationLocus CoeruleusMazindolCell CountAmphetamineMuscimolParaquatMice, Neurologic MutantsAphakiaRats, Inbred StrainsAdrenergic AgentsSynaptic TransmissionMicrogliaFetal Tissue TransplantationCalbindinsGABA AntagonistsBicucullineEntopeduncular NucleusVesicular Monoamine Transport ProteinsNissl BodiesDiencephalonElectrophysiologyCell DeathMethamphetamineRotenone