FOXM1 and acute respiratory distress syndrome: Lung histopathology revealed that lung injuries include inflammatory cell infiltration, thickened alveolar walls, and edema with hemorrhaging edema in LPS-treated mice, whereas these pathological changes were significantly attenuated in LPS-induced ALI mice treated with BMSCs-Vector or BMSCs-FoxM1, especially BMSCs-FoxM1 posttreatment (Figure 1(b)).