SLC6A3 and Parkinson disease: Additionally, Hong et al. (2014) revealed through a retrospective study conducted with 127 de novo PD patients who completed 18F-N-(3-fluoropropyl)-2β-carboxymethoxy-3β-(4-iodophenyl) nortropane positron emission tomography/computed tomography (FP-CIT PET/CT) that the rates of dopamine uptake by the dopamine transporter (DAT) in the anterior, posterior, and whole putamen were significant predictors of the development of LID.