LCN2 and acute respiratory distress syndrome: In combination with data from previous studies and bioinformatic analyses, our study found that GAPDH, MMP8, HGF, MAPK14, LCN2, CD163, ENO1, CD44, ARG1, GADD45A, HERC5, IFIT2, IFIT3, RSAD2 and IFIT1 were related to the potential common mechanisms between severe injury trauma and ARDS.