AJTMH Transactions of the Royal Society of Tropical Medicine and Hygiene
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Am. J. Trop. Med. Hyg., 25(2), 1976, pp. 307-311
Copyright © 1976 by The American Society of Tropical Medicine and Hygiene

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Use of Immunologic Techniques to Detect Chemotherapeutic Success in Infections with Fasciola Hepatica

I. Rabbit Infections

George V. Hillyer AND Ana Del Llano De Díaz
Department of Biology, University of Puerto Rico, Rio Piedras, Puerto Rico 00931

Rabbits infected with Fasciola hepatica develop precipitins to adult worm homogenates, as observed by Ouchterlony double immunodiffusion (ID) and counterelectrophoresis (CEP). When they are successfully trated with a fasciolicidal drug such as rafoxanide at 5, 6, or 11 weeks of infection their precipitins drop dramatically by 2 weeks post-treatment, they are virtually negative by 4 weeks, and have no detectable precipitins by 5 or 6 weeks post-treatment. The results suggest that ID or CEP can be utilized to show chemotherapeutic success in rabbits infected with F. hepatica and warrant further studies as to their possible application in human fascioliasis.

Accepted for publication September 13, 1975.







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Copyright © 1976 by the American Society of Tropical Medicine and Hygiene.