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Lung tumor induction in strain A mice with benzotrichloride.

Cancer letters (1986-11-01)
G D Stoner, M You, M A Morgan, M J Superczynski
ABSTRACT

Benzotrichloride (BTC) is used in the synthesis of benzoyl chloride and benzoyl peroxide. Epidemiological data suggest that BTC is a human lung carcinogen. In the present study, BTC was evaluated for its ability to induce lung adenomas in strain A/J mice. Four groups of 15 male and 15 female A/J mice were injected i.p. with either tricaprylin or BTC in tricaprylin three times a week for 8 weeks. BTC groups received doses totaling 1440 mg/kg, 719 mg/kg or 287 mg/kg. The mean number of lung tumors per mouse was 127 87 +/- 5.81, 43 +/- 2.44, and 17.73 +/- 1.09 in the groups treated with either 1440 mg/kg, 719 mg/kg, or 287 mg/kg, respectively. Tricaprylin-vehicle controls had a mean number of 0.46 +/- 0.15 lung tumors per mouse. Therefore, BTC produced a significant (P less than 0.001) and dose-related increase in the lung tumor response when compared to tricaprylin controls and is a potent carcinogen in the strain A mouse lung tumor bioassay.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
α,α,α-Trichlorotoluene, 98%