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The role of interleukin-18 in renal injury
Jeffrey A Leslie1, Kirstan K Meldrum
1Department of Urology, James Whitcomb Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA.
Abstract:
Interleukin (IL)-18 is a relatively new pro-inflammatory cytokine, formerly known as interferon-gamma-inducing factor, which induces interferon-gamma production in T cells and natural killer cells. It is synthesized as a biologically inactive precursor, which requires cleavage into an active molecule by an intracellular cysteine protease similar to IL-1beta. This review examines the pro-inflammatory role of IL-18 in various types of renal injury (i.e., endotoxemia, cisplatin toxicity, allograft rejection, and ischemia-reperfusion injury) and explores the integral role of IL-12 in IL-18 function and activity.
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