Mouse IRAK2 Synthetic Peptide. IRAK2 (interleukin-1 receptor-associated kinase-like 2) binds to the IL-1 type I receptor following IL-1 engagment and triggers intracellular signaling cascades leading to transcriptional up-regulation and mRNA stabilization. The pro-inflammatory cytokine IL-1 induces cellular response through two subunits of its receptor, IL-1 receptor I (IL-1RI) and IL-1 receptor accessory protein (IL-1RAcP). IL-1 receptor-associated kinase (IRAK) mediates activation of NF-kappa-B , which is a pivotal transcription factor mediating inflammatory and immune response. A novel member in the IRAK/Pelle family was recently identified and designated IRAK2. Both IRAK and IRAK2 recruit to the subunits of the IL-1R complex after IL-1