Environment and Breast Cancer: Science Review


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PhIP
CAS RN 105650-23-5



Cancer studies: Mammary gland tumors
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Originating list
The list(s) or database(s) in which the chemical was identified as showing an increase in mammary gland tumors. CPDB: Carcinogenic Potency Database, IARC: International Agency for Research on Chemicals Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man summaries, NTP TR: National Toxicology Program (NTP) Technical Reports, NTP 11ROC: NTP 11th Report on Carcinogens, CCRIS: Chemical Carcinogenesis Research Information Service.
IARC Monographs, National Toxicology Program 11th Report on Carcinogens, Chemical Carcinogenesis Research Information System
Mammary gland tumor summary
A summary of findings related to mammary gland tumors, most often excerpted from IARC Monographs or the NTP 11th ROC, and, in some cases, supplemented by our evaluation of individual studies and reviews, is available for the priority chemicals and 67 others.
IARC 1993: When administered orally in the diet, increased the incidence of mammary adenocarcinomas in female rats.
Citations to review sources and individual studies reporting mammary gland tumors are listed below.
Citation
Source Type
Notes
International Agency for Research on Cancer, Monographs on the evaluation of carcinogenic risk of chemicals to man.VOL.: 56 (1993) (p. 229) PhIP. Summary of Data Reported and Evaluation.
Review
Administration by diet induced mammary tumors in female rats: Ito 1991.
National Toxicology Program 11th Report on Carcinogens. Selected Heterocyclic Amines.
Review
When administered orally, caused mammary-gland tumors in female rats (NTP 2002).
el-Bayoumy K, Chae YH, Upadhyaya P, Rivenson A, Kurtzke C, Reddy B, et al. Comparative tumorigenicity of benzo[a]pyrene, 1-nitropyrene and 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine administered by gavage to female CD rats. Carcinogenesis 1995;16(2):431-4.
Primary Literature
This reference came from 1-nitropyrene references. Increased both malignant and benign mammary tumors in female rats. 0, 50 umol/rat in 0.5 ml trioctanoin, 1/wk for 8 wks. 0/30, 8/30 Fibroadenoma, 8/30, 17/30 desmoplastic adenoma, 2/30, 7/30 adenoma, 1/30, 22/30 adenocarcinoma
Ito N, Hasegawa R, Sano M, Tamano S, Esumi H, Takayama S, et al. A new colon and mammary carcinogen in cooked food, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP). Carcinogenesis. 1991 Aug;12(8):1503-6.
Primary Literature
From IARC
National Toxicology Program 11th Report on Carcinogens, Table 1. Chemicals nominated to the National Toxicology Program for in-depth toxicological evaluation for carcinogenesis testing in fiscal years 1988-2003.
Review
Not nominated for NTP testing in 1998-2003.