To confirm the selectivity of the CD8 cells in PSP-affected brain regions, additional sites were stained in PSP and CO cases: globus pallidus (GP), motor cortex (MOT), striatum (caudate-putamen, STR), subthalamic nucleus (STN) and SN, as well as the RN/SCP. This evidence concerns the gene CD8A and supranuclear palsy, progressive, 1.