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Coproantigens in gut tapeworm infections:Hymenolepis diminuta in rats

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Abstract

A capture enzyme-linked immunosorbent assay (ELISA) for the detection ofHymenolepis diminuta coproantigen in detergent-solubilised faecal supernatants was developed. The assay was sensitive to 400 ngH. diminuta protein/ml faecal supernatant and to 30 ng/ml in PBS 0.3% Tween. Faecal antigen levels started to rise on day 7 post infection and peaked on day 20. Following drug treatment of infected rats with 10 mg/kg praziquantel, there was an initial steep rise in faecal antigen levels, followed by a decline to background levels for uninfected animals by day 7 post treatment. When assayed against faecal supernatants prepared fromH. microstoma, H. citelli, Diphyllobothrium ditrenum, Necator americanus, Strongyloides ratti andNematospiroides dubius infections as well as uninfected animals, all results from these groups were 2 SD below those for animals infected withH. diminuta. The application of such a test to important intestinal cestodiases in man is discussed.

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Authors and Affiliations

  1. Department of Parasitology, Liverpool School of Tropical Medicine, Pembroke Place, L3 5QA, Liverpool, UK

    J. C. Allan & P. S. Craig

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  1. J. C. Allan
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  2. P. S. Craig
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Allan, J.C., Craig, P.S. Coproantigens in gut tapeworm infections:Hymenolepis diminuta in rats. Parasitol Res 76, 68–73 (1989). https://doi.org/10.1007/BF00931075

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  • DOI: https://doi.org/10.1007/BF00931075

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