For instance, 13 switch genes, GPNMB, TH, CD59, COL4A1, ZBTB16, TSPAN15, DMD, LEF1, GPR3, UBE2V1, DPP10, NECTIN2, LGALS3BP, CDKN1A, SERPINA1, and DMP1 were linked to AD, PD, FTD, PD dementia, Creutzfeldt Jakob disease, and LBD (Table 1). Here, GPR3 is linked to Alzheimer disease.