Abstract
IL-10 is a cytokine that has antiinflammatory properties. We investigated IL-10 using ELISA and a reverse-transcribed polymerase chain reaction in the cerebrospinal fluid (CSF) of children with or without aseptic meningitis. When the patients with aseptic meningitis had meningeal symptoms, IL-10 in the CSF was detectable in 14 of 22 patients (88 ± 146 ng/L, n = 31). The IL-10 levels decreased as meningeal symptoms disappeared. In 20 of 21 control children without meningitis, CSF samples had no detectable levels of IL-10 (<10 ng/L). Serum IL-10 levels were lower than the corresponding levels in the CSF from the same individuals with aseptic meningitis. Significant correlations were found between IL-10 levels and mononuclear cell counts in the CSF of the affected patients (r = 0.644, p< 0.001). The IL-10 mRNA was detected by reverse-transcribed polymerase chain reaction-assisted amplification in the CSF cells in four of seven patients with the disease. The culture of CSF mononuclear cells produced high levels of IL-10 (152-485 ng/L) in all of five patients. Cytokine kinetics in the CSF showed that mean IL-10 levels reached the peak on the 2nd to 3rd d of the illness, although all mean levels of IL-6, IL-8, and granulocyte colony-stimulating factor were the highest on the 1st d of the illness. In summary, IL-10 is produced in the CSF in aseptic meningitis, and may increase relatively late compared with the proinflammatory cytokines. IL-10 may play an immunoregulatory role in the meningeal inflammatory network.
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Abbreviations
- CSF:
-
cerebrospinal fluid
- LPS:
-
lipopolysaccharide
- G-CSF:
-
granulocyte colony-stimulating factor
- PCR:
-
polymerase chain reaction
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The authors thank A. Wakita and R. Kiriyama for their technical support.
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Supported, in part, by grants in aid for Fundamental Scientific Research from the Education Ministry of Japan (Nos. 07670899 and 07770606).
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Ishiguro, A., Suzuki, Y., Inaba, Y. et al. Production of Interleukin-10 in the Cerebrospinal Fluid in Aseptic Meningitis of Children. Pediatr Res 40, 610–614 (1996). https://doi.org/10.1203/00006450-199610000-00016
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DOI: https://doi.org/10.1203/00006450-199610000-00016
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