| IBD | Inflammatory bowel disease |
| AMP | Antimicrobial peptides |
| TJ | Tight junction |
| E. coli | Escherichia coli |
| IPEC-J2 | Porcine jejunum epithelial cells |
| TER | Trans-epithelial electrical resistance |
| MEK | Mitogen-activated protein kinase kinase |
| ERK | Extracellular signal-regulated kinase |
| AA | Amino acid |
| JAMs | Junctional adhesion molecules |
| ZO | Zonula occludens |
| MAPK | Mitogen-activated protein kinase |