Effect of dietary protein quality on development of aflatoxin B1-induced hepatic preneoplastic lesions.

Notes: 

Gluten and soy didn't have nearly the same cancer promoting effect as casein. It's animal protein that's the problem.

TitleEffect of dietary protein quality on development of aflatoxin B1-induced hepatic preneoplastic lesions.
Publication TypeJournal Article
Year of Publication1989
AuthorsSchulsinger DA, Root MM, Campbell TC
JournalJournal of the National Cancer Institute
Volume81
Issue16
Pagination1241-5
Date Published1989 Aug 16
ISSN0027-8874
KeywordsAflatoxin B1, Aflatoxins, Animals, Carcinogens, Caseins, Dietary Proteins, Eating, gamma-Glutamyltransferase, Glutens, Liver Neoplasms, Experimental, Lysine, Male, Precancerous Conditions, Rats, Rats, Inbred F344, Triticum, Weight Gain
Abstract

The effect of the quality of dietary protein on the post-initiation development of aflatoxin B1-initiated putatively preneoplastic foci in Fischer 344 rat liver was compared with the effect of the quantity of dietary protein. Feeding wheat gluten, a low-quality protein, during the postinitiation period (between the end of aflatoxin B1 dosing and the death of the rats) inhibited the development of gamma-glutamyltransferase-positive foci when compared with that in animals fed high-quality protein (casein) diets during the same period. Lysine supplementation of wheat gluten during the postinitiation period enhanced the gamma-glutamyltransferase-positive response to a level comparable with that of the high-quality protein. These results suggest that one can inhibit the development of foci either by decreasing the quantity of protein intake and holding the quality of the protein constant or by decreasing the quality and holding the quantity constant.

Alternate JournalJ. Natl. Cancer Inst.
PubMed ID2569044
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