ParaquatParkinson DiseaseHerbicidesManebalpha-SynucleinParkinsonian DisordersParkinson Disease, SecondaryAntiparkinson AgentsSubstantia NigraLevodopaGlucosylceramidaseDopamineLewy BodiesOxidative StressPoisoning1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineDopaminergic NeuronsDeep Brain StimulationSuperoxide DismutaseMultiple System AtrophyNeurodegenerative DiseasesOxidopamineSubthalamic NucleusLewy Body DiseaseTyrosine 3-MonooxygenaseRotenoneMPTP PoisoningGait Disorders, NeurologicSupranuclear Palsy, ProgressiveNeuronsCarbarylPostural BalanceNerve DegenerationCorpus StriatumSelenium OxidesHydrogen Peroxide