Regulation of TNF-α with a focus on rheumatoid arthritis

Eva A V Moelants, Anneleen Mortier, Jo Van Damme, Paul Proost

Research output: Contribution to journalScientific review

107 Citations (Scopus)

Abstract

Cytokines and chemokines represent two important groups of proteins that control the human immune system. Dysregulation of the network in which these immunomodulators function can result in uncontrolled inflammation, leading to various diseases including rheumatoid arthritis (RA), characterized by chronic inflammation and bone erosion. Potential triggers of RA include autoantibodies, cytokines and chemokines. The tight regulation of cytokine and chemokine production, and biological activity is important. Tumor necrosis factor-α (TNF-α) is abundantly present in RA patients' serum and the arthritic synovium. This review, therefore, discusses first the role and regulation of the major proinflammatory cytokine TNF-α, in particular the regulation of TNF-α production, post-translational processing and signaling of TNF-α and its receptors. Owing to the important role of TNF-α in RA, the TNF-α-producing cells and the dynamics of its expression, the direct and indirect action of this cytokine and possible biological therapy for RA are described.

Original languageEnglish
Pages (from-to)393-401
Number of pages9
JournalImmunology and cell biology
Volume91
Issue number6
DOIs
Publication statusPublished - Jul 2013

Keywords

  • Animals
  • Arthritis, Rheumatoid/immunology
  • Gene Expression Regulation/immunology
  • Humans
  • Immunotherapy/methods
  • Inflammation Mediators/metabolism
  • Protein Processing, Post-Translational/immunology
  • Signal Transduction
  • Synovial Membrane/immunology
  • Tumor Necrosis Factor-alpha/genetics

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