We matched these 28 proteins to the DisGeNET AD biomarker database (CUI: C002395) and identified nine AD-associated protein biomarkers (ITGB3, βGal, FETUA, PSB9, DCTN4, HA11, HA1B, AiAT4, and A1AT2) (Figure 3C). Here, ITGB3 is linked to Alzheimer disease.