期刊
RHEUMATOLOGY INTERNATIONAL
卷 22, 期 2, 页码 84-88出版社
SPRINGER-VERLAG
DOI: 10.1007/s00296-002-0191-1
关键词
juvenile chronic arthritis; power Doppler sonography; interleukin-6; tumor necrosis factor-alpha; Interleukin-2R; interleukin-10; neoangiogenesis
类别
Nineteen patients with juvenile chronic arthritis (JCA), ten with systemic (s)-JCA, and nine with polyarticular-onset (p)-JCA were examined for interleukin (IL)-6, tumor necrosis factor (TNF)-alpha, IL-2R, and IL-10 levels. Power Doppler sonography (PDS) for the more affected knee was used in all of them to evaluate soft tissue vascularity. Serum levels of IL-6 were significantly higher in JCA patients than in controls (P < 0.007). Patients with p-JCA showed higher levels of IL-6 than patients with s-JCA, and the difference was statistically nonsignificant. Serum IL-6 levels in all patients correlated significantly with the degree of vascularity detected by PDS (P < 0.01). This correlation was more pronounced in p-JCA patients (P < 0.01 in p-JCA vs P < 0.05 in s-JCA). Serum levels of TNF-alpha were higher in patients with JCA than in controls (P < 0.0001). Serum levels of TNF-alpha were significantly greater in patients with s-JCA than in p-JCA (P = 0.008). Soluble IL-2R levels were higher in patients with JCA than controls (P < 0.0002). Serum levels of IL-2R correlated significantly with pannus thickness in p-JCA (P < 0.01) and inversely with methoxetrate (MTX) duration in s-JCA (P < 0.05). Serum levels of IL-10 were significantly higher in JCA patients than in controls (P < 0.0008). Serum IL-10 levels in all patients correlated significantly inversely with hemoglobin levels (r = -0.50, P < 0.05), total leukocytic count (TLC) (r = -0.58, P < 0.01), and intra-articular steroid injection (r = +0.56, P < 0.01). In s-JCA, IL-10 levels correlated significantly with MTX weekly dose (P < 0.05). In conclusion, a significant correlation of serum IL-6 levels with the degree of knee joint vascularity was found, and this correlation was more pronounced in p-JCA, which may stress the role of IL-6 as an inducer of neoanglogenesis in JCA.
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