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A 33-kDa protein of Trypanosoma congolense is a major antigen in infected cattle and the production of antibody to this antigen appeared to correlate with enhanced resistance to trypanosomiasis [4]. Immunoelectron microscopy using a monoclonal antibody (mAb 4C5) raised against the 33-kDa antigen showed a lysosomal localisation, similar to that of a(More)
In order to test the hypothesis that trypanosome cysteine proteinases (CPs) contribute to pathology of trypanosomosis, cattle were immunised with CP1 and/or CP2, the major CPs of Trypanosoma congolense, and subsequently challenged with T. congolense. Immunisation had no effect on the establishment of infection and the development of acute anaemia. However,(More)
Five trypanotolerant N'Dama (Bos taurus) and five susceptible Boran (Bos indicus) cattle were challenged by tsetse flies infected with Trypanosoma congolense IL 13-E3. These animals had experienced five previous infections with T. congolense, each terminated by drug therapy. Immunoblotting and ELISA were used to determine isotype and specificity of antibody(More)
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