Aβ42, total-tau, pT181-tau, pS396-tau: AD↑  Aβ42, pT181-tau: FTD↑  Aβ42, pT181-tau, pS396-tau: Preclinical AD↑ compared to AC, AD↑ compared to preclinical AD and AC. Here, MAPT is linked to Alzheimer disease.