These neuropathologies include Parkinson’s disease and dementia with Lewy bodies (DLB), which develop due to aggregation of α-synuclein; frontotemporal dementia (tauopathy); Huntington’s disease belonging to a group of polyglutamine disorders; and amyloidosis (Alzheimer’s disease and Creutzfeldt–Jakob disease) [150,151,152,153]. This evidence concerns the gene SNCA and Parkinson disease.