IL4 and Sepsis: Therefore, the present study was designed to determine the effects of LFM-A13 on burn-sepsis-induced intestinal injury; the intestinal activation of BTK; the expression changes of the anti-inflammatory cytokine IL-4 and the proinflammatory cytokines IL-6 and TNF-α; oxidative stress; and intestinal cell apoptosis in the intestinal injury of mice induced by burn sepsis.