In addition, the effect of FOL on the expression levels of key proteins of the NF-κB signaling pathway such as NF-κB p65, IκBα, iNOS, and the ratio of NF-κB p50 to NF-κB p105 in the lung tissue of LPS-induced ALI mice was also examined. Here, NFKB1 is linked to acute respiratory distress syndrome.