Similarly, in the PILRA locus (previously ZCWPW1), we identified AD risk enhancers shared by AP4M1, PILRA, PILRB, and ZCWPW1 in monocytes, and by AP4M1, MCM7, PILRA, PILRB, PVRIG, and STAG3 in macrophages. Here, PILRB is linked to Alzheimer disease.