ArticleLife (Basel, Switzerland)2026
Gene Expression Alterations in Peripheral Blood Mononuclear Cells and Cartilage Explants from End-Stage Rheumatoid Arthritis Patients in Response to Taurine: A Pilot Exploratory Study.
Article in Life (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The aim of this preliminary study was to determine the effect of taurine on the expression of genes involved in glycolysis, oxidative phosphorylation, inflammation, autophagy, and regenerative activity in cultured peripheral blood mononuclear cells (PBMCs) and articular cartilage explants from patients with end-stage rheumatoid arthritis (RA). PBMCs and knee articular cartilage were obtained from 20 patients with RA (3 men and 17 women) aged 62.2 ± 10.9 years, with a mean disease duration of 17.5 years (range: 2-43), prior to arthroplasty. PBMCs and cartilage explants were cultured in the presence of 50 µM taurine. Gene expression was determined using real-time reverse transcriptase polymerase chain reaction (RT-PCR). Protein expression of the examined genes in PBMCs was quantified using ELISA. In the presence of 50 µM taurine PBMCs from patients with RA demonstrated a significant increase in the expression of genes encoding pyruvate kinase (PKM2), succinate dehydrogenase (SDHB), uncoupler of oxidation and phosphorylation (UCP2), ATP synthase (ATP5B), and unc-51-like kinase 1 (ULK1). At the same time a significant decrease in tumor necrosis factor (TNF)α and interleukin (IL)-1β expression was noted. In cartilage explants, taurine upregulated SDHB, UCP2, ULK1, and type 2 collagen gene (COL2A1), and decreased TNFα expression. We concluded that, under in vitro conditions, taurine can influence the expression of genes involved in glycolysis, oxidative phosphorylation, inflammation, autophagy, and regenerative processes in PBMCs and articular chondrocytes from patients with end-stage RA.
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