MAPT and supranuclear palsy, progressive, 1: This included AGD-compatible changes in several cases including one with subcortical neurofibrillary tangles as in early forms of PSP and a prominent astroglial tau pathology, including grainy/fuzzy astrocytes (GFA) in grey matter regions, subpial, subependymal, perivascular and white matter thorn-shaped astrocytes (TSA) compatible with the ARTAG type pathology [7].