FGF7 and acute respiratory distress syndrome: For example, Zhu et al. and Tang et al. reported that MSC sEVs attenuated inflammation and decreased pulmonary capillary permeability in LPS-induced ALI mice partly by transferring keratinocyte growth factor (KGF) mRNA and angiopoietin-1 (Ang-1) mRNA to injured lung tissues [36, 69].