However, compared to MSA patients, the decrease rate in PSP during the first year was faster in the contralateral caudate and entire striatum, and the mean DAT uptake in caudate, putamen, and striatum was lower in PSP compared with MSA patients one year after baseline, thus offering a possibility to discriminate between the two diagnoses. Here, SLC6A3 is linked to supranuclear palsy, progressive, 1.