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Nuclear receptors, or NRs, are unique transcription factors that regulate gene transcription and affect the cellular pathways involved in reproduction, development, or metabolism. Their ability to be stimulated by small lipophilic ligands and control vital cellular processes makes them ideal drug targets. Nearly 10-15% of currently prescribed drugs target these receptors.
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Nuclear factor-κB in rheumatoid arthritis.

Jie Li1, Rong-Shuang Tang1, Zhou Shi1

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International Journal of Rheumatic Diseases
|September 23, 2020
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Summary

Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) plays a complex role in rheumatoid arthritis (RA) pathogenesis. Inhibiting NF-κB significantly improves RA symptoms, highlighting its therapeutic potential.

Keywords:
NF-κBRAcellular pathwaysmechanismssignaling molecules

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Area of Science:

  • Immunology
  • Molecular Biology
  • Rheumatology

Background:

  • The nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling pathway is implicated in inflammatory diseases.
  • Rheumatoid arthritis (RA) is a chronic inflammatory condition affecting joints.

Purpose of the Study:

  • To elucidate the intricate relationship between NF-κB activation/inhibition and rheumatoid arthritis pathogenesis.
  • To review the past 20 years of research on NF-κB's role in RA for mechanistic clarity.

Main Methods:

  • Literature review of studies investigating NF-κB in rheumatoid arthritis.
  • Analysis of NF-κB's dual role in promoting or suppressing inflammation.
  • Examination of upstream and downstream factors influencing NF-κB activity in RA.

Main Results:

  • Activated NF-κB exhibits a dual role, capable of both promoting and suppressing inflammation in RA.
  • Inhibition of NF-κB leads to significant amelioration of RA symptoms.
  • NF-κB's specific function is contingent upon its upstream and downstream modulators.

Conclusions:

  • NF-κB is a critical regulator in rheumatoid arthritis pathogenesis.
  • Targeting NF-κB presents a promising therapeutic strategy for managing RA.
  • Further understanding of NF-κB's complex regulatory network is essential for RA treatment.