Parkinson Diseasealpha-SynucleinAntiparkinson AgentsParkinsonian DisordersParkinson Disease, SecondaryLevodopaGlucosylceramidaseSubstantia NigraLewy BodiesDeep Brain StimulationMultiple System AtrophyDopamine1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineDopaminergic NeuronsOxidopamineSubthalamic NucleusLewy Body DiseaseNeurodegenerative DiseasesMPTP PoisoningGait Disorders, NeurologicSupranuclear Palsy, ProgressivePostural BalanceDance TherapyPutamenEssential TremorUbiquitin-Protein LigasesNeuronsBrainPedunculopontine Tegmental NucleusMutationREM Sleep Behavior DisorderOncogene ProteinsGaucher DiseaseTyrosine 3-MonooxygenasePergolideGaitCarbidopaNerve Degenerationbeta-SynucleinHypokinesiaCorpus StriatumDementiaGlobus PallidusMovement DisordersMesencephalonGenetic Predisposition to DiseaseAge of OnsetManebSeverity of Illness IndexNeuroprotective AgentsMitochondriaDyskinesias1-Methyl-4-phenylpyridiniumOlfaction DisordersNeuropsychological TestsSynucleinsDisease Models, AnimalTropanesDopamine Plasma Membrane Transport ProteinsModels, MolecularMobile Health UnitsDopamine AgentsCase-Control StudiesMolecular Sequence DataDopamine AgonistsApathyPositron-Emission TomographyHyperostosis, Cortical, CongenitalAlzheimer DiseaseBenzothiazolesSleep Arousal DisordersAutophagyLower Extremity Deformities, Congenitaltau ProteinsPrimary DysautonomiasRotenoneAdrenergic AgentsGenetic TestingPostmortem ChangesAmino Acid SequenceCognition DisordersBasal GangliaManganese PoisoningDyskinesia, Drug-InducedPure Autonomic FailureProtein BindingGenome-Wide Association StudyModels, BiologicalDNA Mutational AnalysisNerve Tissue ProteinsParaquatMutation, MissenseReproducibility of ResultsApomorphineAmyloidNeurologic ExaminationSympatholyticsPemolineSelenoprotein WOxidative Stress