SPPL2C and Alzheimer disease: KAT8 (MIM: 609912), ARL17B, PRSS36 (MIM: 610560), LRRC37A2 (MIM: 616556), WNT3 (MIM: 165330), and SPPL2C (MIM: 608284) were all found to be significant in both AD and PD; IDUA (MIM 252800) and TMEM175 (MIM: 616660) were found to be significant in LBD and PD; PLEKHM1 (MIM: 611466) was significant in PD and PSP; and FMNL1 (MIM: 604656) was significant in AD and PSP (Tables S3, S4, and S5).