Substantia NigraDopamineDopaminergic NeuronsParkinsonian DisordersTyrosine 3-Monooxygenase1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineMesencephalonMPTP PoisoningParkinson DiseaseCorpus StriatumOxidopamineNeuronsTegmentum MesencephaliVentral Tegmental AreaParkinson Disease, Secondaryalpha-SynucleinReceptors, DopamineBasal Ganglia1-Methyl-4-phenylpyridiniumAdrenergic AgentsNerve DegenerationHerbicidesMedial Forebrain BundleReceptors, Dopamine D2Dopamine Plasma Membrane Transport ProteinsLewy BodiesRats, Sprague-DawleyParaquatLevodopaNeurotoxinsQuinpiroleNeural PathwaysHomovanillic AcidDopamine AgonistsDisease Models, Animal3,4-Dihydroxyphenylacetic AcidAntiparkinson AgentsNeuroprotective AgentsMice, Inbred C57BLAutoradiographyDopamine AgentsNeostriatumImmunohistochemistryReceptor, PAR-1BrainCell CountMotor ActivityReceptor, PAR-2Locus CoeruleusAction PotentialsTetrodotoxinRats, WistarDopamine AntagonistsBehavior, AnimalElectrophysiologyBrain ChemistryGlial Cell Line-Derived Neurotrophic Factorgamma-Aminobutyric AcidNeurodegenerative DiseasesNerve Tissue ProteinsPatch-Clamp TechniquesSulpirideReceptors, Metabotropic GlutamateCell DeathPresynaptic TerminalsDendritesRats, Inbred StrainsAnalysis of VarianceMicrogliaMice, KnockoutNicotineSynaptic TransmissionMembrane PotentialsDose-Response Relationship, DrugReceptors, ThrombinMacaca mulattaReceptors, Proteinase-ActivatedGastropodaTime FactorsOxidative StressMice, TransgenicElectric StimulationGlutamic AcidPars PlanitisMitochondriaCalciumAnimals, NewbornChordata, NonvertebrateTolbutamideChromatography, High Pressure LiquidRNA, Messenger2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineReceptors, Dopamine D1Gene Expression RegulationAmphetamineReceptors, N-Methyl-D-AspartateVitrectomyThrombinAxons