The expression levels of the oncogenes, including ALB, APOE, F2, and FAP, and the tumor suppressor genes, including BDNF, MET, PLG, MMP1, ITGA6, ITGA5, FGF18, CD44, CXCL12, IL10, and ITGB3, were significantly increased and decreased, respectively, in PCa patients compared to the healthy group (P < 0.05) (Table 8). The gene discussed is CXCL12; the disease is posterior cortical atrophy.