As noted earlier, several of the SNPs are connected to well-known PD-associated genes (INPP5F, GBA, SNCA) (Siddiqui et al., 2016; Berge-Seidl et al., 2017; Riboldi and Di Fonzo, 2019; Cao et al., 2020). This evidence concerns the gene INPP5F and Parkinson disease.