As the infection was progressing, the expression levels of REL/NF-κB, integrin β-1, peroxinectin and HSP70 were significantly up-regulated at 30 hpc, namely 2.0-, 2.0-, 5.7-, and 2.3-fold, respectively (p < 0.05, Student’s t-test). Here, NFKB1 is linked to infection.