Role of cytokines in the metabolic response to stress

P D Edwards1, L L Moldawer

  • 1Department of Surgery, University of Florida College of Medicine, Gainesville 32610, USA.

Insights

Cytokine inhibitors have not proven effective for sepsis and systemic inflammatory response syndromes. New insights into inflammatory pathways offer novel therapeutic strategies for these conditions.

Area of Science:

  • Immunology
  • Pathophysiology
  • Pharmacology

Background:

  • Clinical trials targeting cytokine inhibitors for sepsis and systemic inflammatory response syndromes (SIRS) have yielded disappointing results, failing to validate preclinical observations.
  • Despite trial failures, advancements in understanding sepsis pathogenesis and inflammatory signaling pathways have emerged.

Purpose of the Study:

  • To explore novel therapeutic opportunities for cytokine and anticytokine therapies in sepsis and SIRS.
  • To leverage new knowledge of proinflammatory cytokine signal transduction pathways for treatment development.

Main Methods:

  • Review of current understanding of sepsis and SIRS pathogenesis.
  • Analysis of nuclear factor kappa B (NF-κB) signaling in inflammation-induced apoptosis.
  • Evaluation of potential therapeutic targets within cytokine signaling cascades.

Main Results:

  • Preclinical findings for cytokine inhibitors in sepsis and SIRS have not translated to clinical efficacy.
  • Understanding of nuclear factor kappa B (NF-κB) and inflammation-induced apoptosis pathways offers new therapeutic avenues.
  • Despite past setbacks, cytokine and anticytokine therapies remain a focus for future treatment development.

Conclusions:

  • Past clinical trials with cytokine inhibitors in sepsis and SIRS were unsuccessful.
  • Emerging understanding of inflammatory pathways, including NF-κB and apoptosis, presents new therapeutic opportunities.
  • Further research into cytokine and anticytokine therapies is warranted based on improved pathogenetic insights.

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