Cerebrospinal fluid and serum immune complex in acute inflammatory polyneuritis

Abstract
Immune complexes (IC) were assessed in serum and CSF from 11 patients with acute inflammatory polyneuritis (AIP). An 125 I-labeled Clq binding assay (Clq BA) was used. IC were present in the sera of four patients and in the CSF of six. CSF-Clq BA of AIP (Group 1) were compared with 12 patients with other inflammatory neurological diseases (Group 2) and 22 patients with non-inflammatory neurological diseases (Group 3). There was only a significant difference between Group 1 compared to Group 3 (p < 0.05). Serum and CSF IC did not correlate either with blood-brain barrier lesions or with immunoglobulin deposits in sural nerve biopsy.

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