Chronic dose-response studies in mice fed 2-acetylaminofluorene (2-AAF)

Littlefield, NA; Cueto Jr., C; Davis, AK; Medlock, K

HERO ID

2147645

Reference Type

Journal Article

Subtype

Abstract

Year

1974

Language

English

HERO ID 2147645
Material Type Abstract
In Press No
Year 1974
Title Chronic dose-response studies in mice fed 2-acetylaminofluorene (2-AAF)
Authors Littlefield, NA; Cueto Jr., C; Davis, AK; Medlock, K
Journal Toxicology and Applied Pharmacology
Volume 29
Issue 1
Page Numbers 106
Abstract Large numbers of mice have been exposed to 2-acetylaminofluorene (2-AAF) in the diet in order to provide quantitative information on carcinogenic dose-response relationships. Weanling BALB/c and C57BL/6 mice of both sexes were fed 2-AAF ad libitum in their diet for 18 months at concentrations of 0, 100, 150 and 500 ppm. Occurrence of bladder tumors was considered as the endpoint for determination of dose-response curves. Data were accumulated from mice that died during the 18-month period, from moribund mice on which a necropsy was performed and from mice on which the necropsy was performed at the terminal sacrifice after 18 months of exposure to the carcinogen. The results from an interval sacrifice after 1 year of exposure to the high dose showed 38 and 88% incidence of bladder tumors in the BALB/c males and females, respectively, while the C57BL/6 mice exhibited a bladder tumor incidence of 29% in the males and 11% in the females. The results exhibited both a sex-related and a strain-related difference in response to 2-AAF. The BALB/c mice appeared to be more susceptible to early development of bladder tumors than the C57BL/6 mice.
Is Certified Translation No
Dupe Override No
Conference Location Washington, D.C.
Conference Name Thirteenth Annual Meeting of the Society of Toxicology
Conference Date March 10–14, 1974
Is Public Yes
Language Text English
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