We also found that the overexpression of RPL13 promoted the expression of NF-κB–Luc and IFN-β–Luc induced by FMDV infection (Figure 3C), whereas the knockdown of RPL13 inhibited the FMDV-infection-induced expression of NF-κB–Luc and IFN-β–Luc (Figure 3D). Here, IFNB1 is linked to infection.