Other biomarkers (APOE, NTRK2, SLCO1B3, SLC28A3, AQP10, SNCAIP, ANO2, CADM1, PTPRD, GPR32, GPR321, SQOR, SULT1C2, GABRG2, CYP4Z1, CDH13, and FANCF) were also related to the clinical characteristics of PD (e.g., cognition, motor, age at onset, etc.). This evidence concerns the gene SLCO1B3 and Parkinson disease.