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The development and specificity of cytotoxic cells in cattle immunized with autologous or allogeneic Theileria annulata-infected lymphoblastoid cell lines. 1989

E A Innes, and P Millar, and C G Brown, and R L Spooner
Institute of Animal Physiology and Genetics Research, Edinburgh Research Station, UK.

Two groups of animals were immunized with either 10(6) autologous or 10(6) allogeneic Theileria annulata-infected lymphoblastoid cells cultured in vitro. The development and specificity of cytotoxic cells generated in vivo were measured throughout immunization and challenge using a panel of target cells that were either Theileria-infected or uninfected blast cells of known bovine lymphocyte antigen (BoLA) specificities. After inoculation of the cell lines the two groups showed distinct differences in both their clinical responses and the target specificity of the cytotoxic cells detected. The allogeneic T. annulata cell line recipients showed a very mild clinical response, and on day 9 after inoculation a strong cytotoxic response was detected. The response appeared to be directed against the allogeneic major histocompatibility complex (MHC) antigens of the inoculated cell line in some form of graft rejection response. By day 23 the predominant cytotoxic response was directed against the recipient animals' own cells infected with the parasite. In contrast, the autologous T. annulata cell line recipients showed very severe clinical reactions, and low levels of cytotoxicity were detected. The cytotoxicity was directed against parasite-infected targets but did not appear to be MHC restricted until day 20. Both groups were immune to a heterologous sporozoite challenge that proved lethal to two susceptible control animals, and on day 10 after challenge a peak of cytotoxicity was detected which was directed against the autologous infected target cell. This would suggest that this cytotoxic response was MHC restricted and was also cross-reactive between the heterologous parasite stocks used.

UI MeSH Term Description Entries
D007114 Immunization Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow). Immunologic Stimulation,Immunostimulation,Sensitization, Immunologic,Variolation,Immunologic Sensitization,Immunological Stimulation,Sensitization, Immunological,Stimulation, Immunologic,Immunizations,Immunological Sensitization,Immunological Sensitizations,Immunological Stimulations,Sensitizations, Immunological,Stimulation, Immunological,Stimulations, Immunological,Variolations
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D003602 Cytotoxicity, Immunologic The phenomenon of target cell destruction by immunologically active effector cells. It may be brought about directly by sensitized T-lymphocytes or by lymphoid or myeloid "killer" cells, or it may be mediated by cytotoxic antibody, cytotoxic factor released by lymphoid cells, or complement. Tumoricidal Activity, Immunologic,Immunologic Cytotoxicity,Immunologic Tumoricidal Activities,Immunologic Tumoricidal Activity,Tumoricidal Activities, Immunologic
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013801 Theileriasis Infection of cattle, sheep, or goats with protozoa of the genus THEILERIA. This infection results in an acute or chronic febrile condition. Corridor Disease,East Coast Fever,Theileriosis,Coast Fever, East,Disease, Corridor,Fever, East Coast,Theileriases,Theilerioses
D014182 Transplantation, Autologous Transplantation of an individual's own tissue from one site to another site. Autografting,Autologous Transplantation,Autotransplantation,Autograftings,Autologous Transplantations,Autotransplantations,Transplantations, Autologous
D014184 Transplantation, Homologous Transplantation between individuals of the same species. Usually refers to genetically disparate individuals in contradistinction to isogeneic transplantation for genetically identical individuals. Transplantation, Allogeneic,Allogeneic Grafting,Allogeneic Transplantation,Allografting,Homografting,Homologous Transplantation,Grafting, Allogeneic
D015395 Histocompatibility Antigens Class I Membrane glycoproteins consisting of an alpha subunit and a BETA 2-MICROGLOBULIN beta subunit. In humans, highly polymorphic genes on CHROMOSOME 6 encode the alpha subunits of class I antigens and play an important role in determining the serological specificity of the surface antigen. Class I antigens are found on most nucleated cells and are generally detected by their reactivity with alloantisera. These antigens are recognized during GRAFT REJECTION and restrict cell-mediated lysis of virus-infected cells. Class I Antigen,Class I Antigens,Class I Histocompatibility Antigen,Class I MHC Protein,Class I Major Histocompatibility Antigen,MHC Class I Molecule,MHC-I Peptide,Class I Histocompatibility Antigens,Class I Human Antigens,Class I MHC Proteins,Class I Major Histocompatibility Antigens,Class I Major Histocompatibility Molecules,Human Class I Antigens,MHC Class I Molecules,MHC-I Molecules,MHC-I Peptides,Antigen, Class I,Antigens, Class I,I Antigen, Class,MHC I Molecules,MHC I Peptide,MHC I Peptides,Molecules, MHC-I,Peptide, MHC-I,Peptides, MHC-I

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