In Vitro Trypanocidal Activity of Antibodies to Bacterially Expressed Trypanosoma brucei Tubulin

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dc.contributor.authorKateete, D.P.
dc.contributor.authorAlezuyo, C.
dc.contributor.authorNanteza, A.
dc.contributor.authorLubega, G.W.
dc.date.accessioned2023-03-06T16:36:38Z
dc.date.available2023-03-06T16:36:38Z
dc.date.issued2012
dc.description.abstractThere are only four drugs for treating African trypanosomiasis, a devastating disease in sub-Saharan Africa. With slow discovery of better drugs, vaccination is viewed as the best method of control. We previously showed that antibodies to native Trypanosoma brucei brucei tubulin inhibit the growth of trypanosomes in culture. Here, we aimed to determine the effect of antibodies to bacte­rially expressed trypanosome tubulin on T. brucei brucei growth. T. brucei brucei alpha and beta tubulin genes were individually expressed in Escherichia coli under the tryptophan promoter. Monoclonal tubulin antibodies reacted specifically with the ex­pressed tubulins with no cross-reaction with the opposite tubulin. Rabbits were immunized with 450μg each of the concentrated recombinant tubulin, and production of antibodies assessed by ELISA and Western blotting. The effect of polyclonal antibodies on trypanosome growth was deter­mined by culturing bloodstream T. brucei brucei in up to 25% of antisera. Low antisera dilutions (25%) from the immunized rabbits inhibited trypanosome growth. The most cytotoxic antisera were from one rabbit immunized with a mixture of both alpha and beta tubulins. However, the result was not reproduced in other rabbits and there was no apparent effect on growth at higher antisera dilutions. Antibodies to bacterially expressed trypanosome tubulin are not effective at killing cul­tured bloodstream trypanosomes.en_US
dc.identifier.citationKateete, D. P., Alezuyo, C., Nanteza, A., Asiimwe, C., & Lubega, G. W. (2012). In vitro trypanocidal activity of antibodies to bacterially expressed Trypanosoma brucei tubulin. Iranian Journal of Parasitology, 7(3), 54-63.en_US
dc.identifier.issn2008-238x
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/8083
dc.language.isoenen_US
dc.publisherIranian Journal of Parasitologyen_US
dc.subjectAlpha tubulinen_US
dc.subjectBeta tubulinen_US
dc.subjectTrypanosoma bruceien_US
dc.subjectProtein expressionen_US
dc.subjectGene cloningen_US
dc.titleIn Vitro Trypanocidal Activity of Antibodies to Bacterially Expressed Trypanosoma brucei Tubulinen_US
dc.typeArticleen_US
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