Parkinson DiseaseNeurodegenerative Diseasesalpha-SynucleinAntiparkinson AgentsParkinsonian DisordersNerve DegenerationNeuronsBrainLewy BodiesParkinson Disease, SecondaryAlzheimer DiseaseSubstantia Nigratau ProteinsLevodopaAmyotrophic Lateral SclerosisGlucosylceramidaseHuntington DiseaseLewy Body DiseaseNeuroprotective AgentsDisease Models, AnimalNerve Tissue ProteinsDopaminergic NeuronsDopamine1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineMultiple System AtrophySynucleinsDeep Brain StimulationInclusion BodiesMutationSupranuclear Palsy, ProgressiveOxidopamineMitochondriaMPTP PoisoningDementiaTauopathiesMicrogliaOxidative StressPrionsAmyloid beta-PeptidesSubthalamic NucleusAutophagyGait Disorders, Neurologicbeta-SynucleinMice, TransgenicCell DeathHeredodegenerative Disorders, Nervous SystemUbiquitin-Protein LigasesProteostasis DeficienciesCorpus StriatumPostural BalanceAmyloidTyrosine 3-MonooxygenaseREM Sleep Behavior DisorderPrion DiseasesDance TherapyPutamenSpinocerebellar Ataxias1-Methyl-4-phenylpyridiniumNeurotoxinsFrontotemporal Lobar DegenerationEssential TremorModels, BiologicalUbiquitinProteasome Endopeptidase ComplexAge of OnsetAgingMesencephalonProtein FoldingGenetic Predisposition to DiseaseTrinucleotide Repeat ExpansionFrontotemporal DementiaNeuropsychological TestsMice, Inbred C57BLPedunculopontine Tegmental NucleusFriedreich AtaxiaCells, CulturedCognition DisordersOncogene ProteinsAstrocytesMovement DisordersGaitDNA Repeat ExpansionGaucher DiseaseRotenoneSuperoxide DismutaseNeuronal Ceroid-LipofuscinosesGuamPergolideCerebral CortexHypokinesiaNervous System DiseasesCell SurvivalCase-Control StudiesGene Expression RegulationManebGlobus PallidusImmunohistochemistryPeptidesPostmortem ChangesNeurofibrillary Tangles