MPTP Poisoning1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineParkinsonian DisordersParkinson Disease, SecondaryMitochondrial Membrane Transport ProteinsSubstantia NigraDopamine AgentsDopaminergic NeuronsNeurotoxinsDopamineCorpus StriatumTyrosine 3-MonooxygenaseCyclophilinsStriatonigral DegenerationSelegilineMonoamine OxidaseParkinson Disease3,4-Dihydroxyphenylacetic AcidHomovanillic AcidMice, Inbred C57BLNeostriatumDisease Models, AnimalAntiparkinson AgentsMitochondria, HeartNeuroprotective AgentsMonoamine Oxidase InhibitorsDopamine Plasma Membrane Transport ProteinsNeuronsNerve DegenerationCyclosporineLevodopaMazindolCallithrixMembrane Potential, MitochondrialPyridinium Compounds