Cerebrospinal fluid interleukin 1 like activity during chronic relapsing experimental allergic encephalomyelitis. |
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| Authors: | J A Symons R V Bundick A J Suckling M G Rumsby |
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| Affiliation: | Department of Biology, University of York, UK. |
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| Abstract: | ![]()
Cerebrospinal fluid (CSF) and plasma samples were taken from strain 13 guinea pigs in various stages of chronic relapsing experimental allergic encephalomyelitis (CREAE). The samples were assayed for interleukin 1 (IL-1) in the C3H/Hej mouse thymocyte assay. After removal of inhibitors, IL-1 was detectable in low amounts in plasma (5 U/ml) throughout the course of the disease but was raised in the acute phase (12 U/ml). CSF IL-1 was, however, only present in low amounts (6 U/ml) during the acute phase but was elevated (18 U/ml) during the chronic stages of CREAE. During the relapse phase levels of IL-1 correlated with the total leucocyte count in the CSF. On gel filtration of CSF, IL-1 activity eluted at approximately 15 kD and could not be attributed to leakage of plasma IL-1 during CSF puncture or IL-2 activity. |
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