MAPT and Alzheimer disease: The most frequent in AD were lipocalin-1, lysozyme-C, and lacritin, eIF4E, Aβ38, Aβ40, Aβ42, t-Tau, and p-Tau and for MS they were oligoclonal bands (OCBs), lipids containing choline, free carnitine, acylcarnitines, and amino acids.