Piperonyl butoxide induces hepatocellular carcinoma in male CD-1 mice |
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Authors: | Takahashi O Oishi S Fujitani T Tanaka T Yoneyama M |
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Institution: | (1) Department of Toxicology, Tokyo Metropolitan Research Laboratory of Public Health, 24-1, Hyakunincho 3-chome, Shinjuku-ku, 169, Japan , JP |
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Abstract: | Male CD-1 mice in groups of 52, 53 or 100 were administered piperonyl butoxide (α-2-(2-butoxyethoxy)ethoxy-4,5-methylenedioxy-2-propyltoluene)
in the diet at levels of 0 (control), 0.6 and 1.2% for 12 months. Hepatocellular carcinoma was induced in treated groups in
a dose-dependent manner but not in the control group. The incidences of hepatocellular carcinoma were 11.3 and 52.0% in mice
given 0.6 and 1.2% piperonyl butoxide, indicating that piperonyl butoxide can cause hepatocellular carcinoma in mice as it
is known to do in rats.
Received: 18 January 1994/Accepted: 8 March 1994 |
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Keywords: | : Piperonyl butoxide – Hepatocellular carcinoma – Hemangiosarcoma – Carcinogenesis – Mice |
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