We have identified 13 DEGs (CNPY3, GPR84, HIST1H2AB, HIST1H2AE, IFNAR1, LMO3, MYO18A, N4BP2L1, PML, SLC4A4, ST8SIA4, TLE1 and N4BP2L1)that could be utilized in distinguishing AD and Normal samples. Here, GPR84 is linked to Alzheimer disease.