IRAK1 and injury: For example, miR-146a was shown to act as a repressor of the inflammatory response during lipopolysaccharide- (LPS-) induced acute lung injury by inhibiting the expression of interleukin-1 receptor-associated kinase 1 (IRAK1) and tumor necrosis factor (TNF) receptor-associated factor 6 (TRAF6) [11, 12].