The two directions of TNF-related apoptosis-inducing ligand in rheumatoid arthritis

Rachel Audo1, Bernard Combe, Michael Hahne

  • 1Institut de Génétique Moléculaire de Montpellier, CNRS, UMR 5535, Montpellier, France. rachel.audo@igmm.cnrs.fr

Cytokine
|May 9, 2013
PubMed

Insights

Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) shows promise for rheumatoid arthritis (RA) treatment by targeting immune cells and synovial hyperplasia. However, potential adverse effects and resistance mechanisms require further investigation for safe and effective therapeutic application.

Area of Science:

  • Immunology
  • Rheumatology
  • Molecular Biology

Background:

  • Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a TNF superfamily member known for inducing apoptosis in cancer cells.
  • TRAIL has been investigated for potential benefits in rheumatoid arthritis (RA), including controlling synovial hyperplasia and immune cell hyperactivation.
  • Recent studies suggest TRAIL may also play a disease-promoting role in RA, with adverse effects and resistance mechanisms potentially counteracting therapeutic benefits.

Purpose of the Study:

  • To review the multifaceted role of TRAIL in immune regulation within the context of RA.
  • To examine TRAIL's impact on synovial hyperplasia and joint remodeling in RA.
  • To discuss the potential therapeutic applications and challenges of using TRAIL for RA treatment.

Main Methods:

  • Literature review of studies investigating TRAIL in cancer and rheumatoid arthritis.
  • Analysis of mechanisms underlying TRAIL's pro-apoptotic and immune-modulating effects.
  • Evaluation of evidence for both beneficial and detrimental roles of TRAIL in RA pathogenesis.

Main Results:

  • TRAIL exhibits specific pro-apoptotic effects on cancer cells, leading to its consideration as an anti-cancer therapeutic.
  • In RA models, TRAIL has demonstrated potential in managing synovial hyperplasia and immune cell activity.
  • Contradictory findings indicate a potential disease-promoting role for TRAIL in RA, alongside concerns about adverse effects and resistance.

Conclusions:

  • TRAIL's role in RA is complex, with both potential therapeutic benefits and risks.
  • Understanding TRAIL's immune regulatory functions in RA is crucial for evaluating its treatment potential.
  • Further research is needed to elucidate TRAIL's precise mechanisms in RA and to optimize its therapeutic use, addressing potential adverse effects and resistance.

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