Also in Figure 3, GK, CEACAM1, TNFAIP6, PSTPIP2, SOCS3, and IL18RAP were remarkably higher in the E. coli-treated group than in the mock infection group (p < 0.001 and p < 0.01, respectively, Figures 3(a), 3(e), 3(f), and 3(g)). Here, CEACAM1 is linked to infection.