title: Specific immune lysis of paramyxovirus-infected cells by H-2-compatible thymus-derived lymphocytes.
abstract: Mice exposed to paramyxovirus (Sendai) generate specifically sensitized thymus-derived lymphocytes (T cells) which, in an in vitro 51Cr release assay, interact only with virus-infected target cells sharing strong transplantation antigens. Reciprocal exclusion of cytotoxic T-cell activity is found for Sendai virus, lymphocytic choriomeningitis virus and ectromelia virus. Immune T cells are detected as early as 3 days after intraperitoneal inoculation with a large dose of Sendai virus, and cytotoxicity is generally maximal on days 5-7. Lysis is restricted to interactions where sensitized lymphocytes and virus-infected target cells (fibroblasts, tumour cells or macrophages) are compatible at the K or the D locus of one H-2 haplotype. Identity of immune response (Ir) genes is neither sufficient nor necessary. Levels of T-cell responsiveness show some variation with H-2 type. Cytotoxic T-cell activity associated with H-2b is less than that recognized for H-2k or H-2d. These differences are, however, not obviously related to Ir gene control.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D003601:Cytotoxicity Tests, Immunologic; D006649:Histocompatibility Antigens; D007111:Immunity, Cellular; D008264:Macrophages / Q000276:immunology; D051379:Mice; D008807:Mice, Inbred BALB C; D008810:Mice, Inbred C57BL; D008808:Mice, Inbred CBA; D010222:Parainfluenza Virus 1, Human / Q000276:immunology*; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens