SERUM LEVELS OF INTERLEUKIN-1B, TUMOR NECROSIS FACTOR-A AND INTERLEUKIN-2 IN RHEUMATOID-ARTHRITIS - CORRELATION WITH DISEASE-ACTIVITY

被引:59
作者
ALTOMONTE, L
ZOLI, A
MIRONE, L
SCOLIERI, P
MAGARO, M
机构
[1] Istituto di Clinica Medica, Universita' Cattolica del Sacro Cuore, Roma, 00168, Largo Gemelli
关键词
RHEUMATOID ARTHRITIS; INTERLEUKIN-1B; TUMOR NECROSIS FACTOR-A; INTERLEUKIN-2;
D O I
10.1007/BF02207957
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Cytokines are potent immunoregulatory factors and may be directly involved in the disordered immunoregulation found in chronic rheumatic diseases. Interleukin-1b (IL-1b), Interleukin-2 (IL-2) and Tumour Necrosis Factor-a (TNF-a) have been implicated in the pathogenesis of rheumatoid arthritis (RA) as mediators of chronic inflammation. Serum levels of IL-1b and TNF-a measured by radioimmunoassay were significantly higher in patients with RA than in healthy controls of similar sex and age while serum levels of IL-2 were significantly lower in the same patients. Further IL-1b and TNF-a were significantly elevated in RA patients with active disease and IL-2 was significantly reduced when compared with patients with low active disease. Serum IL-1b and TNF-a appear to correlate with systemic inflammation, and systemic features of RA may result from dissemination of cytokines produced in the synovium. The role of IL-2 in RA remains controversial. Reduced levels of IL-2 may be an expression of a deficiency of T-cells to produce IL-2 in the active phases of RA or may be due to a possible absorption of IL-2 by lymphocyte receptors.
引用
收藏
页码:202 / 205
页数:4
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