Accordingly, IEC isolated from IFNγ−/− neonatal mice did not significantly upregulate the expression of CXCL9 and CXCL10 during the infection (Figure 6, B) whereas other chemokines such as CCL3, CCL4 and CCL5 were still upregulated (Figure S4, A). The gene discussed is CXCL10; the disease is infection.