Inhalation carcinogenicity of dichloromethane in rats and mice

被引:5
作者
Aiso, Shigetoshi [1 ]
Take, Makoto [1 ]
Kasai, Tatsuya [1 ]
Senoh, Hideki [1 ]
Umeda, Yumi [1 ]
Matsumoto, Michiharu [1 ]
Fukushima, Shoji [1 ]
机构
[1] Japan Ind Safety & Hlth Assoc, Japan Bioassay Res Ctr, Hadano, Kanagawa 2570015, Japan
关键词
Carcinogenicity; dichloromethane; inhalation; rat; mouse; 2-YEAR DRINKING-WATER; METHYLENE-CHLORIDE; THETA; RODENTS; TRANSFERASES; ONCOGENICITY; TOXICITY; LIVER; MOUSE; LUNG;
D O I
10.3109/08958378.2014.905660
中图分类号
R99 [毒物学(毒理学)];
学科分类号
100405 ;
摘要
The carcinogenicity of inhaled dichloromethane (DCM) was examined by exposing groups of 50 F344/DuCrj rats and 50 Crj: BDF1 mice of both sexes to 0, 1000, 2000, or 4000 ppm (w/w) DCM-containing aerosol for 2 years. Inhalation of DCM resulted in increased incidences of subcutis fibromas, mammary gland fibroadenoma, and peritoneum mesotheliomas in male rats; mammary gland fibroadenomas in female rats; and bronchiolar-alveolar adenomas and carcinomas in the lung and hepatocellular adenomas and carcinomas in male and female mice. These results clearly indicate that inhaled DCM is carcinogenic in F344/DuCrj (SPF) rats and Crj: BDF1 (SPF) mice.
引用
收藏
页码:435 / 451
页数:17
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