DLB: Sensitive and early marker, nonspecific (45). Elevations in DLB > Ctrl (AUC 0.94), proDLB > Ctrl (AUC 0.87), DLB > proDLB (AUC 0.6), DLB-AD > DLB-p (lower AUC vs. tau/Aβ, not shown) (46) MSA, PSP, CBS>other parkinsonian dz (45, 47) AD: sensitive, nonspecific (31). This evidence concerns the gene MAPT and Alzheimer disease.