Description
IL-21 is a potent immunoregulatory cytokine that orchestrates the delicate interplay between innate and adaptive immunity. It drives the production of IgG(1) and IgG(3) in B cells, which are critical for humoral immune responses, and plays a key role in T follicular helper (Tfh) cell generation and germinal center formation. IL-21 Protein, Canine is the recombinant canine-derived IL-21 protein, expressed by E. coli, with tag free