Fig. 1

Combination therapy with BUD and NAC improves LPS-induced ALI. A Histopathological changes of lung injury and pathology scores of lung tissues (n = 6), B pulmonary edema level(n = 6), C Evans blue staining for alveolar permeability(n = 6), D MPO activity of lung tissue(n = 6), E neutrophil count in BALF(n = 6), F-I ELISA for cytokines in BALF(n = 6). compared with the NC group, ^** P < 0.01, ^*** P < 0.001; compared with the ALI group, ^# P < 0.05, ^## P < 0.01, ^### P < 0.001; compared with the ALI + BUD group, ^$ P < 0.05, ^$$ P < 0.01, ^$$$ P < 0.001; compared with the ALI + NAC group, ^& P < 0.05, ^&& P < 0.01, ^&&& P < 0.001