BECN1 and acute respiratory distress syndrome: reported that the enrichment of miR-384-5p in BMSC-derived exosomes attenuated LPS-induced alveolar macrophage autophagy stress and alleviated LPS-induced alveolar macrophage apoptosis by targeting Beclin-1, reduced pulmonary vascular permeability and inflammatory response, and increased survival rate of ALI rats within seven days (154).