Increased Interleukin‐1 (IL‐1) Production from LPS‐Stimulated Peripheral Blood Monocytes in Children with Febrile Convulsions

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Abstract
Peripheral blood mononuclear cells (MNC) from 27 children with a febrile convulsion were tested for production of interleukin-1 (IL-1) in culture. MNC stimulated with lipopolysaccharide (LPS) showed a significantly increased production of IL-1 when compared to MNC from children without convulsions but with bacterial infections (p<0.001), viral infections (p<0.005) or no infection (p<0.005). Children who had experienced a febrile convulsion were retested several months later; this time the IL-1 production from LPS-stimulated MNC was not different from controls. These results demonstrate that MNC at the time of febrile convulsions have increased sensitivity to LPS and possibly to other IL-1 inducers; the resulting enhanced IL-1 response from sensitized MNC may have a role in the pathogenesis of febrile convulsions.