The induction of neoplastic lesions by aflatoxin‐B1in the Egyptian toad (Bufo regularis)
- 1 January 1988
- journal article
- other
- Published by Taylor & Francis in Nutrition and Cancer
- Vol. 11 (1) , 55-59
- https://doi.org/10.1080/01635588809513969
Abstract
The carcinogenic activity of aflatoxin‐B1, the metabolic product of the mold Aspergillus flavus (a commonly occurring contaminant of groundnuts and other foodstuffs), was tested using the Egyptian toad (Bufo regularis). Injecting the toads with aflatoxin‐B1 at a dose level of 0.01 mg/50 g body wt in 1 ml corn oil once a week for 15 weeks induced hepatocellular carcinomas in 19% of the experimental toads. Four toads developed tumors in the kidney due to metastases from the primary hepatocellular carcinomas.Keywords
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