ArticleACR open rheumatology2025
Associations of Lymphocyte Subpopulations, Related Cytokines, Clinical Phenotypes, and Outcomes in Systemic Juvenile Idiopathic Arthritis.
Article in ACR open rheumatology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors.
Funding
Abstract
objectiveTo facilitate appropriate management, we aimed to evaluate associations between lymphocyte subsets and related cytokines with clinical characteristics and treatment outcomes of patients with systemic juvenile idiopathic arthritis (sJIA).
methodsWe collected blood samples from 53 patients with sJIA and evaluated the percentages of lymphocyte subsets and cytokine levels. Patients were categorized into active (n = 18), persistent (n = 11), and inactive (n = 24) sJIA groups based on clinical phenotypes. Seventeen patients with active disease provided longitudinal blood samples at 0, 4 to 6, and 24 weeks. Among these patients, 12 patients were classified as sJIA treatment responders (sJIA-R) and 5 patients were classified as sJIA treatment nonresponders (sJIA-NR). The healthy control (HC) group comprised 32 age-matched children.
resultsDynamic changes in lymphocyte subsets and cytokine levels were observed over time. In the longitudinal cohort, patients in the sJIA-R group showed a significant decline in proinflammatory cytokines, including interleukin-1 (IL-1), interferon-γ (IFN-γ), monocyte chemoattractant protein-1, and IL-23, along with increases in CD3
conclusionPatients with sJIA exhibit altered lymphocyte subsets and inflammatory mediator production during the disease course, which may assist in identifying treatment responders and guiding therapeutic strategies. This study investigated associations of lymphocyte subpopulations, related cytokines, clinical phenotypes, and outcomes in systemic juvenile idiopathic (sJIA). Low percentages of NK and γδ-T cells were observed in patients with sJIA, particularly during active disease, compared to healthy controls. Persistent elevations in IL-1, IL-23, TNF, and NK T cell percentage were associated with poor treatment response.
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