The most downregulated GWAS genes in astrocytes from the entorhinal cortex associated with the pathogenesis of AD were NKAIN3, LRRC4C, CADM2, DLC1, APOE, TNIK, GADD45G, FRMD4A, CTNNA2, NPAS3, NCKAP5, and RORA. Here, FRMD4A is linked to Alzheimer disease.