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 SNCAIP and Parkinson disease.