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Trop Med Int Health. 2007 Jan;12(1):107-10.

Evaluation of immunodiagnostics for toxocarosis in experimental porcine cysticercosis.

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Department of Microbiology, Universidad Peruana Cayetano Heredia, San Martin de Porres, Lima, Peru.


We assessed whether immunodiagnostic tests for cysticercosis can cross-react with the currently available immunodiagnostic tests for Toxocara canis in an established animal model for cysticercosis infection in pigs, known host for Toxocara. We examined by TES-enzyme-linked immunosorbent test and immunoblot assay for toxocarosis and cysticercosis the baseline and final follow-up sera of 10 pigs, before and after (3 months) infection with Taenia solium. After successful cysticercosis infection, the nine evaluable pigs became seropositive to T. solium (enzyme-linked immunoelectrotransfer blot assay), but did remain seronegative for Toxocara in both assays, documenting the lack of cross-reactivity with anti-T. solium antibodies in both T. canis assays. These findings should help clinicians better interpret serology for toxocariosis and cysticercosis in endemic areas for both helminth infections.

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