CXCL8 and colitis: In addition, with the infusion of 150 mg/kg of egg white protein-derived EWP, weight loss, crypt distortion, IL-6 and TNF-α concentrations, and expressions of IL-1β, IL-8, IL-17, and IFN-γ in the colon of piglets with DSS-induced colitis can be reduced, and gut barrier function was restored [55], as well as the barrier protection effects of milk-derived β-Casofensin [77] and dipeptide AQ [53].