MEG3 and acute respiratory distress syndrome: revealed that AEC‐IIs influence glycolysis in tissue‐resident AMs and further affect the prognosis of ARDS and IPF through the exosomal STIM‐activating enhancer protein.[31] Moreover, exosomal miR‐30d‐5p[69] MEG3,[70] miR‐331,[71] and other miRNAs are involved in regulating macrophage function.