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Ia restriction of murine encephalitogenic T-cell lines in vitro and in vivo
To clarify the functional role of the I region-associated (Ia) antigen in autoimmune central nervous system disorders, we generated long-term cultured lines of encephalitogenic T cells responsive to myelin basic protein from SJL strain mice (H-2s) and investigated genetic restriction in proliferative and encephalitogenic activities of the lines. These cell lines bear a Lyt 1+,2- phenotype, and show antigen-specific and I-As restricted proliferative responses in vitro. These lines induced full-blown experimental allergic encephalomyelitis (EAE) in immuno-compromised recipients carrying the I-As genotype. These data demonstrate that encephalitogenic T lymphocytes recognize the antigen in combination with the Ia antigen to induce EAE.
To clarify the functional role of the I region-associated (Ia) antigen in autoimmune central nervous system disorders, we generated long-term cultured lines of encephalitogenic T cells responsive to myelin basic protein from SJL strain mice (H-2s) and investigated genetic restriction in proliferative and encephalitogenic activities of the lines. These cell lines bear a Lyt 1+,2- phenotype, and show antigen-specific and I-As restricted proliferative responses in vitro. These lines induced full-blown experimental allergic encephalomyelitis (EAE) in immuno-compromised recipients carrying the I-As genotype. These data demonstrate that encephalitogenic T lymphocytes recognize the antigen in combination with the Ia antigen to induce EAE.