Mouse IL-21 could not increase antibody binding capacity to HIV-1 GP140.
Mouse IL-21 enhanced Th1 type immune response.
Mouse IL-21 increased the percentages of HIV-1 specific CD4+ T and CD4+ TEM cells.
Mouse IL-21 increased HIV-1 specific multifunctional CD4+ T and CD4+ TEM cells.
Mouse IL-21 increased the frequency of NK cells.