Abstract
Peripheral blood lymphocytes (PBL) from guinea pigs with experimental allergic encephalomyelitis (EAE) induced by sensitization with bovine whole white matter, proliferated in vitro upon exposure to bovine myelin basic protein (B-MBP). The degree of the response increased with clinical severity. PBL from EAE-sensitized guinea pigs which failed to develop clinical disease did not respond to B-MBP. PBL from complete Freund's adjuvant-sensitized and nonsensitized normal guinea pigs were not responsive to B-MBP. EAE-sensitized animals displaying clinical signs of disease showed concanavalin A (Con A) responsiveness which paralleled that of B-MBP. Animals that did not develop EAE demonstrated Con A responses similar to those of control guinea pigs. Thus, in this acute autoimmune demyelinating condition, PBL responsiveness to B-MBP might provide a monitor of disease development.
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