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Andrianarivo, A.G.Muiya, P.McOdimba, F.A.Gettinby, G.Logan-Henfrey, L.L.[Kinetics of haemopoietic progenitor cell during a Trypanosoma congolense rechallenge infection in Boran cattle]Kinetics of haemopoietic progenitor cell during a Trypanosoma congolense rechallenge infection in Boran cattle
Paling, R.Moloo, S.K.Scott, J.T.McOdimba, F.A.Logan-Henfrey, L.L.Murray, M.Williams, D.J.L.[Susceptibility of N'Dama and Boran cattle to tsetse-transmitted primary and rechallenge infections with a homologous serodeme of Trypanosoma congolense]Susceptibility of N'Dama and Boran cattle to tsetse-transmitted primary and rechallenge infections with a homologous serodeme of Trypanosoma congolense

Interleukin-3(IL-3) is one of the cytokines that act during the early and late stages of blood cell formation. To enable the study of the role of IL-3 in bovine haemopoietic stem cell differentiation, the polymerase chain reaction was used to amplify an IL-3 cDNA from first-strand cDNAs prepared ...


Mwangi, S.M.Logan-Henfrey, L.L.McInnes, C.Mertens, B.[Cloning of the bovine interleukin-3-encoding cDNA. (Colony-stimulating factor: Cytokine: PCR: Neuclotide sequence: RACE)]Cloning of the bovine interleukin-3-encoding cDNA. (Colony-stimulating factor: Cytokine: PCR: Neuclotide sequence: RACE)

Five adult Boran cattle (Bos indicus), infected with a clone of Trypanosoma congolense IL13-E3 three years earlier and treated, were re-challenged with the same clone. Changes in the peripheral blood were monitored twice weekly, and events in the bone marrow (BM) were assessed by weekly biopsies ...


Anosa, V.O.Logan-Henfrey, L.L.Wells, C.W.[The haematology of Trypanosoma congolense infection in cattle. I. Sequential cytomorphological changes in the blood and bone marrow of Boran cattle]The haematology of Trypanosoma congolense infection in cattle. I. Sequential cytomorphological changes in the blood and bone marrow of Boran cattle

Sequential biopsies of sternal bone marrow (BM) of three trypanosusceptible Boran and three trypanotolerant N'Dama cattle were examined by light and transmission electron microscopy before and up to 112 days postinfection (DPI) with Trypanosoma congolense. Before infection, the percentage of cell...


Anosa, V.O.Logan-Henfrey, L.L.Wells, C.W.[The role of the bone marrow in bovine trypanotolerance. II. Macrophage function in Trypanosoma congolense - infected cattle]The role of the bone marrow in bovine trypanotolerance. II. Macrophage function in Trypanosoma congolense - infected cattle

Macrophages (Mo) in smears and sections of sternal bone marrow (BM) derived by weekly sequential biopsies from five adult Boran cattle re-challenged with Trypanosoma congolense were studied by light and transmission electron microscopy (TEM). Cells of the mononuclear phagocyte system including mo...


Anosa, V.O.Logan-Henfrey, L.L.Wells, C.W.[The haematology of Trypanosoma congolense infection in cattle. II. Macrophage structure and function in the bone marrow of Boran cattle]The haematology of Trypanosoma congolense infection in cattle. II. Macrophage structure and function in the bone marrow of Boran cattle

This study compared the changes in the bone marrow (BM) of five trypanotolerant N'Dama cattle with those of four trypanosusceptible Boran cattle during trypanosome infection. In the early parasitaemic phase, from 12 to 21 days postinfection (DPI), tsetse transmitted primary Trypanosoma congolense...


Logan-Henfrey, L.L.Anosa, V.O.Wells, C.W.[The role of the bone marrow in bovine trypanotolerance. 1. Changes in blood and bone marrow in Trypanosoma congolense-infected cattle]The role of the bone marrow in bovine trypanotolerance. 1. Changes in blood and bone marrow in Trypanosoma congolense-infected cattle

A bioassay was used to measure erythropoietin (EPO) concentrations in calves with haemorrhagic anaemia due to blood loss and in calves with anaemia due to Trypanosoma congolense infection. The bioactivity of EPO was measured in the assay by its stimulatory effect on 125I-deoxyuridine incorporatio...


Buza, J.J.Logan-Henfrey, L.L.Andrianarivo, A.G.Williams, D.J.L.[Rise in erythropoietin concentrations in experimental Trypanosoma congolense infection of calves]Rise in erythropoietin concentrations in experimental Trypanosoma congolense infection of calves

Anaemia is a major cause of morbidity and mortality in bovine trypanosomiasis and has served as the main parameter to monitor the severity of the disease. In fact, trypanosome-infected cattle experience intermittent episodes of pancytopaenia including anaemia, leucopaenia and trombocytopaenia. Co...


Andrianarivo, A.G.Muiya, P.Opollo, M.Logan-Henfrey, L.L.[Comparative bone marrow responses during Trypanosoma congolense infection in N'Dama and Boran cattle]Comparative bone marrow responses during Trypanosoma congolense infection in N'Dama and Boran cattle

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