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  • Title: Role of macrophage-myelin basic protein interaction in the induction of experimental allergic encephalomyelitis in Lewis rats.
    Author: Carbone AM, Ovadia H, Paterson PY.
    Journal: J Immunol; 1983 Sep; 131(3):1263-7. PubMed ID: 6193182.
    Abstract:
    Stimulated peritoneal exudate cells (PEC) containing activated macrophages (M phi) of Lewis (Le) rats were exposed for 1 hr in vivo or in vitro to radioiodinated soluble myelin basic protein (MBP) or MBP incorporated into magnetic microspheres (MBP-microspheres). The uptake by M phi of the dose of microsphere-bound MBP averaged 6.2%, whereas the average uptake of soluble MBP was 0.17%. Naive rats were sensitized with M phi-associated MBP or M phi-associated MBP-microspheres via the hind footpads without the aid of conventional immunologic adjuvants. Draining lymph node cells (LNC) or spleen cells from sensitized rats were cultured for 3 days with guinea pig MBP (GPMBP) alone or in combination with concanavalin A (Con A), then injected i.v. into naive recipients. Clinical signs of experimental allergic encephalomyelitis (EAE) appeared 6 days after transfer of LNC or spleen cells, and typical CNS lesions were seen in recipients sacrificed 10 to 14 days after transfer. The challenge of MO-MBP-sensitized rats with MBP-CFA resulted in severe clinical signs of EAE marked by an accelerated onset of neurologic symptoms.
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