Abstract:
:Male inbred F344 weanling rats were fed semipurified diets containing 20 or 5% beef fats. At 7 weeks of age, all animals except controls were given 1,2-dimethylhydrazine [DMH (150 mg/kg body weight s.c.; one dose)], methylazoxymethanol acetate [MAM acetate (35 mg/kg body weight i.p.; one dose)], or methylnitrosourea (2.5 mg/rat/week intrarectally; two doses), and autopsied 35 weeks later. No major differences were observed in the frequency (number of rats with tumor) of DMH- or MAM acetate-induced duodenal, ear duct, and kidney tumors between the rats fed diets containing 20 or 5% fat. However, the animals fed the diet containing 20% fat had slight although not statistically significant influence on the incidence of adenomas and adenocarcinomas in the colon.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Reddy BS,Watanabe K,Weisburger JHsubject
Has Abstractpub_date
1977-11-01 00:00:00pages
4156-9issue
11eissn
0008-5472issn
1538-7445journal_volume
37pub_type
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