On the basis of network topology algorithm, all core target genes in VA against As-linked dermatitis were reported, including JUN, TP53, MAPK3, MAPK1, MAPK14, IL6, AKT1, STAT1, FOS, ESR1, TNF, CREB1, IL10, IL2, SP1, CASP3, CDKN1A, IL4, EGFR, IL1B, MCL1, BCL2, CXCL8, TGFB1, IFNG, BCL2L1, NOS2, CCL2, and VEGFA (Figure 2). This evidence concerns the gene NOS2 and dermatitis.