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T cells bearing the gamma delta antigen receptor (gamma delta T cells) can constitute up to 50 percent of T cells in the peripheral blood and lymphoid organs of young cattle. We present data showing that gamma delta T cells are involved in immune responses against Theileria parva. Gamma delta T c...


Daubenberger, C.A.Taracha, E.L.N.Gaidulis, L.Davis, W.C.McKeever, Declan J.[Bovine gamma delta T cell responses to the intracellular protozoan parasite Theileria parva]Bovine gamma delta T cell responses to the intracellular protozoan parasite Theileria parva

Immunity against the bovine intracellular protozoan parasite Theileria parva has been shown to be mediated through the destruction of parasite infected lymphocytes by MHC class I restricted CD8+ CTL. Six parasite proteins targeted by CTL from T. parva immune cattle have been identified and raised...


Graham, S.P.Pelle, RogerVilliers, Etienne P. deYamage, M.Mwangi, D.M.Honda, Y.Ellis, S.A.MacHugh, Niall D.Morrison, W. IvanTaracha, E.L.N.[Identification of bovine cytotoxic T lymphocyte epitopes on the intracellular parasite Theileria Parva]Identification of bovine cytotoxic T lymphocyte epitopes on the intracellular parasite Theileria Parva

Enhancement of the induction of cytotoxic T-cell responses by immunostimulatory CpG oligodeoxynucleotides has been described in humans and mouse models. The present study attempted to address whether CpG has a similar effect in cattle. Immunisation of cattle with a recombinant form of the polymor...


Graham, S.P.Saya, R.Awino, EliasNgugi, D.Nyanjui, J.K.Hecker, R.Taracha, E.L.N.Nene, Vishvanath[Immunostimulatory CpG oligodeoxynucleotides enhance the induction of bovine CD4+ cytotoxic T-lymphocyte responses against the polymorphic immunodominant molecule of the protozoan parasite Theileria parva]Immunostimulatory CpG oligodeoxynucleotides enhance the induction of bovine CD4+ cytotoxic T-lymphocyte responses against the polymorphic immunodominant molecule of the protozoan parasite Theileria parva
Gardner, M.J.Bishop, Richard P.Shah, TushaarVilliers, Etienne P. deCarlton, J.M.Hall, N.Ren, Q.Paulsen, I.T.Pain, A.Berriman, M.Wilson, R.J.M.Sato, S.Ralph, S.A.Mann, D.J.Xiong, Z.Shallom, S.J.Weidman, J.Jiang, L.Lynn,, J.Weaver, B.Shoaibi, A.Domingo, A.R.Wasawo, D.Crabtree, J.Wortman, J.R.Haas, B.Angiuoli, S.V.Creasy, T.H.Lu, C.Suh, B.Silva, J.C.Utterback, T.R.Feldblyum, T.V.Pertea, M.Allen, J.Nierman, W.C.Taracha, E.L.N.Salzberg, S.L.White, O.R.Fitzhugh, H.A.Morzaria, S.P.Venter, J. CraigFraser, C.M.Nene, Vishvanath[Genome sequence of Theileria parva, a bovine pathogen that transforms lymphocytes]Genome sequence of Theileria parva, a bovine pathogen that transforms lymphocytes

Peripheral blood mononuclear cells (PBMC) from immune cattle proliferate in the presence of autologous Cowdria ruminantium-infected endothelial cells and monocytes. Endothelial cells required treatment with T-cell growth factors to induce class II major histocompatibility complex expression prior...


Mwangi, D.M.Mahan, S.M.Nyanjui, J.K.Taracha, E.L.N.McKeever, Declan J.[Immunization of cattle by infection with Cowdria ruminantium elicits T lymphocytes that recognize autologous, infected endothelial cells and monocytes]Immunization of cattle by infection with Cowdria ruminantium elicits T lymphocytes that recognize autologous, infected endothelial cells and monocytes
Taracha, E.L.N.Goddeeris, M.Scott, J.R.Morrison, W. Ivan[Standardization of a technique for analysing the frequency of parasite-specific cytotoxic T lymphocyte precursors in cattle immunized with Theileria parva]Standardization of a technique for analysing the frequency of parasite-specific cytotoxic T lymphocyte precursors in cattle immunized with Theileria parva
Howard, C.J.Sopp, P.Parsons, K.R.McKeever, Declan J.Taracha, E.L.N.Jones, B.V.MacHugh, Niall D.Morrison, W. Ivan[Distinction of naive and memory BoCD4 lymphocytes in calves with a monoclonal antibody, CC76, to a restricted determinant of the bovine leukocyte-common antigen, CD45]Distinction of naive and memory BoCD4 lymphocytes in calves with a monoclonal antibody, CC76, to a restricted determinant of the bovine leukocyte-common antigen, CD45

The relationship of strain specificity of class I major histocompatibility complex-restricted parasite-specific cytotoxic T lymphocytes (CTL) responses and cross-protection was investigated in an effort to verify the role of CTL in protection. The parasite strain specificity of the CTL responses ...


Taracha, E.L.N.Goddeeris, B.M.Morzaria, S.P.Morrison, W. Ivan[Parasite strain specificity of precursor cytotoxic T cells in individual animals correlates with cross-protection in cattle challenged with Theileria parva]Parasite strain specificity of precursor cytotoxic T cells in individual animals correlates with cross-protection in cattle challenged with Theileria parva

Heterologous priming-boosting vaccination regimens involving priming with plasmid DNA antigen constructs and inoculating (boosting) with the same recombinant antigen expressed in replication-attenuated poxviruses have recently been demonstrated to induce immunity, based on CD4(+)- and CD8(+)-T-c...


Taracha, E.L.N.Bishop, Richard P.Musoke, A.J.Hill, A.V.S.Gilbert, S.C.[Heterologous priming-boosting immunization of cattle with Mycobacterium tuberculosis 85A induces antigen-specific T-cell responses]Heterologous priming-boosting immunization of cattle with Mycobacterium tuberculosis 85A induces antigen-specific T-cell responses

Theileria parva causes an acute lympho-proliferative disease in cattle, which can result in death of susceptible animals within 2-3 weeks of infection. Analyses of the cellular response in the lymph node draining the site of infection demonstrated an early T cell response, with the appearance of ...


Houston, E.F.Taracha, E.L.N.Brackenbury, L.MacHugh, Niall D.McKeever, Declan J.Charleston, B.Morrison, W. Ivan[Infection of cattle with Theileria parva induces an early CD8 T cell response lacking appropriate effector function]Infection of cattle with Theileria parva induces an early CD8 T cell response lacking appropriate effector function

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