The pathological forms of tau from AD and PDD patients demonstrate four bands on western blots (72, 68, 64, and 60 kDa; Type I pattern) [43], [44], while pathological tau from PSP [45] demonstrates three bands (72, 68, and 64 kDa; Type III pattern). The gene discussed is MAPT; the disease is supranuclear palsy, progressive, 1.