Article
Production of a biologically active human interleukin 18 requires its prior synthesis as PRO-IL-18.
Cytokine - 1 Oct 2000
Liu B, Novick D, Kim S H, Rubinstein M
Abstract excerpt
Interleukin (IL-)18 is an activator of NK cells and a co-inducer of Th(1)cytokines, sharing structural features with the IL-1 family of proteins. Unlike most other cytokines, IL-18 and IL-1beta lack a signal peptide, have an all beta-pleated sheet structure and are synthesized as biologically inactive precursors (pro-IL-18 and pro-IL-1beta). These precursors are cleaved by caspase-1 (IL-1beta-converting enzyme,...
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