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Sitta, TatjanaHenson, Sonal P.Morrison, W. IvanToye, Philip G.[Similar levels of diversity in the gene encoding the p67 sporozoite surface protein of Theileria parva are observed in blood samples from buffalo and cattle naturally infected from buffalo]Similar levels of diversity in the gene encoding the p67 sporozoite surface protein of Theileria parva are observed in blood samples from buffalo and cattle naturally infected from buffalo

The major histocompatibility complex (MHC) region contains many genes that are key regulators of both innate and adaptive immunity including the polymorphic MHCI and MHCII genes. Consequently, the characterisation of the repertoire of MHC genes is critical to understanding the variation that dete...


Vasoya, D.Law, A.Motta, P.Mingyan YuMuwonge, A.Cook, Elizabeth A.J.Xiaoying LiBryson, K.MacCallam, A.Sitt, T.Toye, Philip G.Bronsvoort, B.M. de C.Watson, MickMorrison, W. IvanConnelley, T.[Rapid identification of bovine MHCI haplotypes in genetically divergent cattle populations using next-generation sequencing]Rapid identification of bovine MHCI haplotypes in genetically divergent cattle populations using next-generation sequencing

Theileria parva causes an acute fatal disease in cattle, but infections are asymptomatic in the African buffalo (Syncerus caffer). Cattle can be immunized against the parasite by infection and treatment, but immunity is partially strain specific. Available data indicate that CD8+ T lymphocyte res...


Pelle, RogerGraham, S.P.Njahira, Moses N.Osaso, J.Saya, R.M.Odongo, David O.Toye, Philip G.Spooner, P.R.Musoke, A.J.Mwangi, D.M.Taracha, E.L.N.Morrison, W. IvanWeir, W.Silva, J.Bishop, Richard P.[Two Theileria parva CD8 T Cell Antigen genes are more variable in buffalo than cattle parasites, but differ in pattern of sequence diversity]Two Theileria parva CD8 T Cell Antigen genes are more variable in buffalo than cattle parasites, but differ in pattern of sequence diversity

An infection and treatment protocol is used to vaccinate cattle against Theileria parva infection. Due to incomplete cross-protection between different parasite isolates, a mixture of three isolates, termed the Muguga cocktail, is used for vaccination. While vaccination of cattle in some regions ...


Hemmink, J.D.Weir, W.MacHugh, Niall D.Graham, S.P.Patel, EktaPaxton, E.Shiels, B.Toye, Philip G.Morrison, W. IvanPelle, Roger[Limited genetic and antigenic diversity within parasite isolates used in a live vaccine against Theileria parva]Limited genetic and antigenic diversity within parasite isolates used in a live vaccine against Theileria parva

Background The tick-borne protozoan parasite Theileria parva causes a usually fatal cattle disease known as East Coast fever in sub-Saharan Africa, with devastating consequences for poor small-holder farmers. Immunity to T. parva, believed to be mediated by a cytotoxic T lymphocyte (CTL) response...


Steinaa, LucillaSvitek, NichiolasAwino, EliasNjoroge, ThomasSaya, Rosemary M.Toye, Philip G.[Immunization with one Theileria parva strain results in similar level of CTL strain-specificity and protection compared to immunization with the three-component Muguga cocktail in MHC-matched animals]Immunization with one Theileria parva strain results in similar level of CTL strain-specificity and protection compared to immunization with the three-component Muguga cocktail in MHC-matched animals

Many individual hosts are infected with multiple parasite species, and this may increase or decrease the pathogenicity of the infections. This phenomenon is termed heterologous reactivity and is potentially an important determinant of both patterns of morbidity and mortality and of the impact of ...


Woolhouse, Mark E.J.Thumbi, S.M.Jennings, A.Chase-Topping, M.Callaby, R.Kiara, Henry K.Oosthuizen, M.C.Mbole-Kariuki, Mary N.Conradie, I.Handel, I.G.Poole, Elizabeth J.Njiiri, E.Collins, N.E.Murray, G.Tapio, M.Auguet, O.T.Weir, W.Morrison, W. IvanKruuk, L.E.B.Bronsvoort, B.M. de C.Hanotte, Olivier H.Coetzer, K.Toye, Philip G.[Co-infections determine patterns of mortality in a population exposed to parasite infection]Co-infections determine patterns of mortality in a population exposed to parasite infection
Naessens, JanSileghem, M.R.MacHugh, Niall D.Park, Y.H.Davis, W.C.Toye, Philip G.[Selection of BoCD25 monoclonal antibodies by screening mouse L cells transfected with the bovine p55-interleukin-2 (IL-2) receptor gene]Selection of BoCD25 monoclonal antibodies by screening mouse L cells transfected with the bovine p55-interleukin-2 (IL-2) receptor gene

Objectives: The objective of this study was to assess whether cytotoxic T cells (CTL) generated by the live vaccine, known as “ITM Muguga cocktail”, which is used for the cattle disease East Cost fever (ECF) in Sub-Saharan Africa, showed a broad reactivity against many different strains of the ca...


Steinaa, LucillaSvitek, NicholasAwino, EliasSaya, RosemaryToye, Philip G.[Cytotoxic T lymphocytes from cattle sharing the same MHC class I haplotype and immunized with live Theileria parva sporozoites differ in antigenic specificity]Cytotoxic T lymphocytes from cattle sharing the same MHC class I haplotype and immunized with live Theileria parva sporozoites differ in antigenic specificity

The research objective was to develop a thermostable vaccine against peste des petits ruminants (PPR), a morbilliviral disease of small ruminants targeted for eradication that is a major constraint on the livelihoods of the rural poor throughout much of Africa and Asia. Although existing PPR vacc...


Mariner, Jeffrey C.Gachanja, J.Tindih, H.S.Toye, Philip G.[A thermostable presentation of the live, attenuated peste des petits ruminants vaccine in use in Africa and Asia]A thermostable presentation of the live, attenuated peste des petits ruminants vaccine in use in Africa and Asia

Peste des petits ruminants virus (PPRV) causes an economically important disease of sheep and goats, primarily in developing countries. It is becoming the object of intensive international control efforts. Current vaccines do not allow vaccinated and infected animals to be distinguished (no DIVA ...


Holzer, B.Taylor, G.Rajko-Nenow, P.Hodgson, S.Okoth, Edward A.Herbert, R.Toye, Philip G.Baron, M.D.[Determination of the minimum fully protective dose of adenovirus-based DIVA vaccine against peste des petits ruminants virus challenge in East African goats]Determination of the minimum fully protective dose of adenovirus-based DIVA vaccine against peste des petits ruminants virus challenge in East African goats

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