Faculty Research 1980 - 1989

Major histocompatibility complex-linked control of the murine immune response to myelin basic protein.

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Antibodies-Monoclonal: du, Autoantibodies: bi, Encephalitogenic-Basic-Proteins, Encephalomyelitis-Allergic: fg, im, Genes-Immune-Response, H-2-Antigens: ge, im, Immunity-Natural, Mice, Mice-Inbred-A, Mice-Inbred-C57BL, Peptide-Fragments: im, Species-Specificity, SUPPORT-NON-U-S-GOVT, SUPPORT-U-S-GOVT-P-H-S

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J-Immunol. 1985 Apr; 134(4):2328-32.




Recent experiments have shown that different regions of myelin basic protein (MBP) are encephalitogenic for different inbred strains of mice. It was therefore of interest to determine whether the immune response to MBP was MHC associated, and if so, what subregion controlled this response. Because PL/J and A/J mice were good responders to mouse MBP and C57Bl/10SN were not, B10.PL(73NS) and B10.A mice were immunized with mouse MBP under conditions designed to induce EAE. These strains were found to be highly susceptible. Intra-H-2 recombinant mice were then assessed for susceptibility. B10.A(4R) and B10.MBR were susceptible, whereas B10.A(5R) were resistant. Thus, EAE induced by purified MBP is under the control of the MHC, and the response maps to the I-A subregion. Production of IL 2 in vitro by T cells from MBP-primed mice in the presence of antigen and adherent cells was blocked by monoclonal antibody to the I-A, but not the I-E, subregion. When the specificity of the encephalitogenic response was tested, peptide 1-37 was active in B10.PL(73NS) and B10.A mice, whereas peptide 89-169 was active in A.SW, SWR, and B10.T(6R) strains. Serum from mice immunized with MBP peptides was assayed for antibody content. PL, B10.PL, and B10.A mice made a good antibody response to peptides 1-37 and 43-88 but were nonresponsive to peptide 89-169. SJL, A.SW, SWR, and B10.T(6R) mice responded well to peptide 89-169 but were poorly responsive to peptides 1-37 and 43-88.

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