Blood mononuclear cells from a total of 23 children with juvenile arthritis were stimulated in vitro to produce interleukin 1 (IL-1) and interleukin 2 (IL-2) and compared with age matched healthy controls. Peripheral blood monocytes from patients with juvenile arthritis produced a higher amount of IL-1 than controls, whereas peripheral blood lymphocytes from the same patients produced lower amount of IL-2 than controls. These findings could not be explained by concurrent therapy. The increase of IL-1 production was more marked in patients with active disease and therefore may have been secondary to the pathological process. However, the decrease of IL-2 production did not depend on disease activity, thus suggesting an immunoregulatory abnormality.
Enhanced interleukin 1 and depressed interleukin 2 production in juvenile arthritis.
MARTINI, ALBERTO;RAVELLI, ANGELO;
1986-01-01
Abstract
Blood mononuclear cells from a total of 23 children with juvenile arthritis were stimulated in vitro to produce interleukin 1 (IL-1) and interleukin 2 (IL-2) and compared with age matched healthy controls. Peripheral blood monocytes from patients with juvenile arthritis produced a higher amount of IL-1 than controls, whereas peripheral blood lymphocytes from the same patients produced lower amount of IL-2 than controls. These findings could not be explained by concurrent therapy. The increase of IL-1 production was more marked in patients with active disease and therefore may have been secondary to the pathological process. However, the decrease of IL-2 production did not depend on disease activity, thus suggesting an immunoregulatory abnormality.
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