Among the APANRGs, 5 genes (CCNA1, ENO2, MAGED1, VDAC1, YWHAZ) were down regulated while 19 genes (ANXA1, BTG2, CAPN2, CASP4, CASP7, CD44, GSN, HGF, IL18, IRAK3, LY96, NFKBIA, PDGFRB, PRKX, TAP1, TGFB2, TNFRSF10A, TNFRSF10B, TNFRSF1A) were up regulated in AD. The gene discussed is GSN; the disease is Alzheimer disease.