IL-17A protein is an important effector cytokine that activates the NF-kappa-B and MAPkinase pathways through the IL17RA-IL17RC receptor complex to protect host tissues from microbial threats. As a key Th17 cytokine, IL-17A mediates neutrophil activation, chemotaxis, and contributes to germinal center formation. Animal-Free IL-17A Protein, Mouse (His) is the recombinant mouse-derived animal-FreeIL-17A protein, expressed by E. coli , with C-His labeled tag. This product is for cell culture use only.