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Hormonal influences on chemical carcinogenesis: Studies with the aflatoxin B1 hepatocarcinoma model in the rat

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Abstract

The role of adrenocorticotropin, cortisol, and corticosterone on chemical carcinogenesis was investigated using the rat aflatoxin B1 hepatocarcinoma model. The animals were divided into untreated controls and various experimental groups receiving the carcinogen alone or the carcinogen with a hormone. Animals lost during the treatment period died mostly of massive hepatic necrosis. The results following 65 weeks of observation show that: (1) hormones decrease the toxicity of aflatoxin B1; (2) adrenocorticotropin possibly exerts its influence on aflatoxin B1 hepatocarcinogenesis through adrenal stimulation, and (3) in aflatoxin B1-adrenocorticotropin treated animals, hepatocellular carcinoma, cholangiocarcinoma, and malignant lymphoma may be observed.

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Authors and Affiliations

  1. Department of Pathology, Chicago Medical School, 60064, North Chicago, Illinois

    Antonio Chedid MD, Clarke J. Halfman PhD & Stephen R. Greenberg PhD

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  1. Antonio Chedid MD
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  2. Clarke J. Halfman PhD
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  3. Stephen R. Greenberg PhD
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Chedid, A., Halfman, C.J. & Greenberg, S.R. Hormonal influences on chemical carcinogenesis: Studies with the aflatoxin B1 hepatocarcinoma model in the rat. Digest Dis Sci 25, 869–874 (1980). https://doi.org/10.1007/BF01338530

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  • DOI: https://doi.org/10.1007/BF01338530

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