In these modules, the expression levels of module genes except PSMB1, KARS, TERT, ZBTB16, NFKB1, MAPKAPK2, MAP3K3, MAP2K4, IRS2, IQGAP1, HDAC1, EPB41L3, C1QBP, BRCA1, BAG2, FYN, MAPK6, MAP3K2, and FNY in the PD group were higher than that in the control group. Here, EPB41L3 is linked to Parkinson disease.