We also found elevated levels of BACE1, CST3 (cystatin‐C), GDI1, GFAP, IGFBP7, IL15, tTau, PGF, pTau, PTN, and SNAP25 (synaptosomal‐associated protein‐25) in AD compared to FTD. This evidence concerns the gene GFAP and frontotemporal dementia.