CTNNA2 and Alzheimer disease: 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.