Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease that significantly affects patient quality of life. Galangin is an extract with multiple health benefits, including anti‑oxidative, anti‑proliferative, immunoprotective and cardioprotective effects. However, to the best of the authors' knowledge, no detailed studies have investigated its regulatory effects on the nuclear factor (NF)‑κB/NLR family pyrin domain containing 3 (NLRP3) signaling pathway. The present study aimed to investigate the protective mechanism of galangin in RA fibroblast‑like synoviocytes with regards to the NF‑κB/NLRP3 signaling pathway. Human RA fibroblast‑like synovium cells (RAFSCs) were treated with lipopolysaccharide (LPS) to induce inflammation. The levels of interleukin (IL)‑1β, tumor necrosis factor (TNF)‑α, IL‑18, inducible nitric oxide synthase (iNOS), cyclooxygenase (COX)‑2, prostaglandin E2 (PGE2), and nitric oxide (NO) were measured by enzyme‑linked immunosorbent assay or western blotting in the absence or presence of different concentrations of galangin. Superoxide dismutase (SOD) activity and malondialdehyde (MDA) content were additionally evaluated. Furthermore, factors involved in the NF‑κB/NLRP3 pathway, including NLRP3, apoptosis‑as...Continue Reading
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