ArticleFrontiers in immunology2024
Impairment of regulatory T cell stability in axial spondyloarthritis: role of EZH2 and pSTAT5.
Article in Frontiers in immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- Regulatory T cells in axial spondyloarthritis.Communications biology · 2026Review
- Decoding Treg diversity and dysfunction to advance Treg-based therapies in autoimmune and inflammatory diseases.Frontiers in immunology · 2026Review
- Treg cell plasticity as a driver of inflammation in spondyloarthritis and psoriasis.Frontiers in immunology · 2025Review
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Authors and funding
12 authors.
Funding
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Abstract
Background and objectives: Axial spondyloarthritis (axSpA) is a chronic inflammatory disease involving the spine, peripheral joints, and entheses. Functional impairment of regulatory T cells (Treg) is linked to inflammatory diseases, but limited data is available regarding Treg involvement in axSpA. Treg stability refers to their ability to maintain their functions and characteristics in pro-inflammatory environments. EZH2 and phosphorylated STAT5 (pSTAT5) play a critical role in maintaining Treg stability. We aimed to characterize Treg stability in patients with axSpA. Methods: Peripheral blood mononuclear cells (PBMCs) from axSpA patients, either naïve from targeted therapy or treated by TNF inhibitors (TNFi), and from healthy donors (HD), were freshly isolated. Expression of stability (EZH2, pSTAT5) and suppressive (TNFR2 and CD39) markers by Treg was analyzed by flow cytometry. Results: EZH2 expression by Treg was decreased in axSpA patients as compared to HD (p<0.01). Mechanistic study showed that inhibition of EZH2 attenuated Treg differentiation and suppressive phenotype Conclusion: By highlighting a deficient expression of EZH2 and pSTAT5 by Treg, we revealed an impaired Treg stability in axSpA. Deciphering the pathways influenced by these molecules is necessary to assess the potential therapeutic benefits of restoring Treg stability in axSpA.
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