Parkinson Diseasealpha-SynucleinDopamine AgonistsAntiparkinson AgentsParkinsonian DisordersParkinson Disease, SecondaryLevodopaGlucosylceramidaseGABA AgonistsSubstantia NigraLewy BodiesDopaminePurinergic P1 Receptor AgonistsDeep Brain StimulationMuscarinic AgonistsNicotinic AgonistsMultiple System AtrophyOxidopamineAdrenergic AgonistsAdrenergic alpha-2 Receptor AgonistsDose-Response Relationship, Drug1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineSerotonin 5-HT2 Receptor AgonistsDopaminergic NeuronsSerotonin 5-HT1 Receptor AgonistsNeuronsHistamine AgonistsSubthalamic NucleusPurinergic P2 Receptor AgonistsAdrenergic beta-AgonistsLewy Body DiseaseNeurodegenerative DiseasesMPTP PoisoningGABA-A Receptor AgonistsRats, Sprague-DawleyGait Disorders, NeurologicCholinergic AgonistsSupranuclear Palsy, ProgressivePostural BalanceBrainAdenosine A1 Receptor AgonistsAdrenergic alpha-AgonistsPutamenAdrenergic alpha-1 Receptor AgonistsDance TherapyExcitatory Amino Acid AgonistsCorpus StriatumCannabinoid Receptor AgonistsUbiquitin-Protein LigasesAdrenergic beta-3 Receptor AgonistsEssential TremorReceptors, Opioid, muTyrosine 3-MonooxygenaseDopamine AgentsAdenosine A3 Receptor AgonistsPedunculopontine Tegmental NucleusApomorphineDisease Models, AnimalReceptors, Opioid, kappaCarbidopaCells, CulturedCell LineMutationOncogene ProteinsREM Sleep Behavior DisorderRadioligand AssayGABA-B Receptor AgonistsGaitGaucher DiseasePergolideReceptors, DopamineSignal TransductionReceptors, Opioid, deltaSerotonin 5-HT4 Receptor AgonistsLigandsGlobus PallidusNerve DegenerationHypokinesiaNeuroprotective AgentsBenzothiazolesMesencephalonTime FactorsRats, Wistarbeta-SynucleinMice, Inbred C57BLReceptors, Dopamine D2Movement DisordersDementiaTropanesCyclic AMPCarbacholEnkephalin, Ala(2)-MePhe(4)-Gly(5)-IsoproterenolPurinergic AgonistsAdenosineGenetic Predisposition to DiseaseMitochondriaCalciumThiazolesReceptors, Opioid