It can be seen from Table 4 that the risk AD genes, such as MEIS2 (p-value = 3.0419 × 10−147), DLGAP2 (p-value = 3.57803 × 10−19) and MAGI2 (p-value = 8.108022 × 10−15) have been identified in the AD-HC group [31,32,33]. This evidence concerns the gene DLGAP2 and Alzheimer disease.