The Role of Flavonoids in Inhibiting IL-6 and Inflammatory Arthritis

Curr Top Med Chem. 2022;22(9):746-768. doi: 10.2174/1568026622666220107105233.

Abstract

Rheumatoid arthritis (RA) is a chronic autoimmune disease that primarily affects the synovial joints. RA has well-known clinical manifestations and can cause progressive disability and premature death along with socioeconomic burdens. Interleukin-6 (IL-6) has been implicated in the pathology of RA where it can stimulate pannus formation, osteoclastogenesis, and oxidative stress. Flavonoids are plant metabolites with beneficial pharmacological effects, including anti-inflammatory, antioxidant, antidiabetic, anticancer, etc. Flavonoids are polyphenolic compounds found in a variety of plants, vegetables, and fruits. Many flavonoids have demonstrated anti-arthritic activity mediated mainly through the suppression of pro-inflammatory cytokines. This review thoroughly discusses the accumulated data on the role of flavonoids on IL-6 in RA.

Keywords: Cytokines; Flavonoids; IL-6; Inflammation; Polyphenols; Rheumatoid arthritis.

Publication types

  • Review

MeSH terms

  • Anti-Inflammatory Agents / therapeutic use
  • Arthritis, Rheumatoid* / drug therapy
  • Cytokines / metabolism
  • Flavonoids* / pharmacology
  • Flavonoids* / therapeutic use
  • Humans
  • Interleukin-6

Substances

  • Anti-Inflammatory Agents
  • Cytokines
  • Flavonoids
  • Interleukin-6