Animal Use AlternativesDisease Models, AnimalModels, AnimalMice, TransgenicMice, Inbred C57BLMice, KnockoutHuntington DiseaseMice, Inbred BALB CAlzheimer DiseasePhenotypeNeurodegenerative DiseasesMice, Mutant Strains1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineBrainNeuroprotective AgentsNeuronsMutationCells, CulturedDrug Evaluation, PreclinicalInflammationSignal TransductionParkinson Disease