Huntington DiseaseTrinucleotide Repeat ExpansionTrinucleotide RepeatsChromosomes, Human, Pair 4Nerve Tissue ProteinsNuclear ProteinsQuinolinic AcidCorpus StriatumAge of Onset3-Hydroxyanthranilate 3,4-DioxygenaseChoreaProdromal SymptomsRats, TransgenicDisease Models, AnimalNeurodegenerative DiseasesWitchcraftGenetic TestingCaudate NucleusAtrophyTetrabenazineMice, TransgenicBrainRotarod Performance TestMutationNeostriatumMythologyQuinolinic AcidsNeuroacanthocytosisPeptidesNerve Fibers, UnmyelinatedNeuronsInclusion BodiesPutamenPedigreeLipoylationChromosome BandingGene Knock-In TechniquesGenetic CounselingPhenotypeDopamine and cAMP-Regulated Phosphoprotein 32Mutant ProteinsGenetic MarkersAllelesDisease ProgressionGenetic LinkageNitro CompoundsHeterozygote DetectionEarly DiagnosisMagnetic Resonance ImagingGenotypeNerve DegenerationChromosome MappingAutophagy