ArticleClinical rheumatology2025
NETs promote fibroblast-like synoviocytes producing IL-6 to enhance T follicular helper cell response in rheumatoid arthritis.
Article in Clinical rheumatology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Neutrophil extracellular traps in pulmonary fibrosis: mechanisms, immunity and therapeutic targets.Frontiers in immunology · 2026Review
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Authors and funding
6 authors.
Funding
Abstract
objectiveAlthough neutrophil extracellular traps (NETs) are recognized as key contributors to rheumatoid arthritis (RA) progression, their immunomodulatory effects on T follicular helper (Tfh) cell differentiation remain enigmatic. Based on the effect of NETs on RA fibroblast-like synoviocytes (RA-FLSs), our study is aimed at investigating the effect of NETs on Tfh cell differentiation in RA.
methodsImmunofluorescence, western blotting, and flow cytometry were used to investigate whether NETs mediated the inflammatory phenotype transformation of synovium fibroblasts to produce IL-6 and promote Tfh cell differentiation through TLR9/MyD88/NF-κB pathway. The expressions of Cit H3, MPO, TLR9, and Bcl-6 in the synovial tissues of the trauma control group and the RA group were analyzed by immunohistochemistry.
resultsOur findings indicated that the plasma concentrations of IL-6 and MPO-DNA in RA patients were positively correlated with the level of IL-21 in lymphocytes and the proportion of circulating T follicular helper cells in peripheral blood. Further analysis revealed that NETs mediate the release of IL-6 from RA-FLSs through the TLR9/MyD88/NF-κB pathway, thereby inducing the differentiation of CD4 + T cells into Tfh cells and promoting the development of adaptive immunity in RA.
conclusionThis study demonstrated that NETs promoted Tfh cell differentiation by inducing IL-6 production by synovial fibroblasts through the TLR9/MyD88/NF-κB pathway. Targeting TLR9 may be a potential target for the treatment of RA. Key Points • NETs promoted Tfh cell differentiation by inducing IL-6 production by synovial fibroblasts through the TLR9/MyD88/NF-κB pathway. • Targeting TLR9 may be a potential target for the treatment of RA.
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Registered trials
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