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Review
. 2002;70(3):177-83.
doi: 10.1159/000068151.

Interleukin-12 antagonists as new therapeutic agents in inflammatory bowel disease

Affiliations
Review

Interleukin-12 antagonists as new therapeutic agents in inflammatory bowel disease

Carsten Schmidt et al. Pathobiology. 2002.

Abstract

Inflammatory bowel diseases (IBDs; Crohn's disease (CD) and ulcerative colitis) are chronic inflammatory diseases leading to destruction of gastrointestinal tissue. They are characterized by an exaggerated immune response. In CD, an increased expression of T-helper-1 (Th1) cytokines was observed in which interleukin-12 (IL-12) seems to play a pivotal role. Different immunosuppressive agents have been used to treat patients suffering from IBD, nevertheless remarkable side effects or treatment failure are limiting factors in this regard. Therefore, studies on more specific treatment of CD have recently been published, using recombinant anti-inflammatory cytokines or inhibitors of proinflammatory cytokines and their receptors. Beyond these principles anti-IL-12 strategies seem to play a promising role because of the central position of this Th1-inducing cytokine in the inflammatory cascade. Up to now anti-IL-12 antibodies, complement receptor-3 antibodies and IL-12p40 homodimers have been evaluated in their potential to suppress the mucosal inflammation. Based on our understanding of the pathogenesis of CD, the available data and experiences concerning these principles are presented in this review.

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