NCIt definition : A recombinant peptide similar to or identical to endogenous human cytokine interleukin-21
(IL-21) with potential antineoplastic activity. Denenicokin binds to and activates
IL-21 receptors, expressed on T-cells, B-cells, dendritic cells (DC), and natural
killer (NK) cells, modulating the proliferation and/or differentiation of T and B
cells, promoting T cell survival, and increasing the cytolytic activity of cytotoxic
T lymphocytes (CTLs) and NK cells.;