
Keywords: α-syn, α-synuclein; Aβ, amyloid β; AD, Alzheimer disease; APP, amyloid precursor protein; a-SMase, acid sphingomyelinase; alk-SMase, Alkaline SMase; Cer, ceramide; CERT, ceramide transfer protein; CSF, cerebrospinal fluid; D609, tricyclodecan-9-yl-xanthog