GALC and Parkinson disease: In our study, we found that the following SNPs were associated with PD: the rs8005172 of GALC (allele model, additive model, dominant model, recessive model after adjustment), the rs9468199 of ZNF184 (allele model, additive model, recessive model) and the rs34043159 of IL1R2 (allele model, additive model).