Experimental allergic encephalomyelitis in the monkey: humoral immunity and blood-brain barrier function.

Acute monophasic experimental autoimmune encephalomyelitis (AMEAE) was induced in 5 Macacus cynomolgus monkeys. Serum and cerebrospinal fluid (CSF) paired samples were collected before and four weeks after immunization, time of complete development of AMEAE clinical picture. After immunization the CSF/serum albumin ratio and the IgG index were markedly increased. Agarose isoelectric focusing (AIEF) followed by immunofixation revealed faint IgG oligoclonal bands in both serum and CSF of all monkeys, which became more evident after Kappa and Lambda assessment. Intrathecal synthesis of IgG oligoclonal bands was detected in only one CSF. Affinity-driven immunoblotting failed to detect anti-myelin basic protein (MBP) oligoclonal IgG. No free light chain (FLC) patterns or IgA and IgM oligoclonal bands were detected.

[Endocrine and metabolic mechanisms of the pathological syndrome due to antigens of homologous glial tissue in monkeys]. / Endokrinnye i metabolicheskie mekhanizmy patologicheskogo sindroma, vyzvannogo antigenami gomologichnoi glial'noi tkani u obez'ian.

Monkeys (Macaca mulatta) of both sexes repeatedly immunized with a complex of glial antigens of the homologous brain demonstrated abnormalities of hormonal functions after 1 to 5 weeks. These abnormalities were marked by a decrease in the total serum tyroxine (after 1 week) and a rise in the concentration of 11-hydroxycorticosteroids (11-OHCS) that occurred after 5 weeks. The changes in tyroxine level were more stable than those in the concentration of 11-OHCS. The immunized animals manifested changes in the disc electrophoregram of the serum. Application of stress resulted in a consistent elevation of the concentration of 11-OHCS and in temporary changes in the number and intensity of individual fractions of serum proteins. The fractional composition of serum proteins was different in control and experimental monkeys.