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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Induction of cytochrome P-450 and related drug-oxidizing activities in muscone (3-methylcyclopentadecanone)-treated rats.

In the present study, we investigated the effects of muscone on both in vitro and in vivo parameters of the hepatic microsomal drug-metabolizing enzyme system and other enzyme activities in rats. In the in vivo study, the serum dimethadione (DMO)/trimethadione (TMO) ratios at 2 hr after oral administration of TMO (100 mg/kg) were significantly increased in both male and female rats treated with 75 and 150 but not 40 mg muscone/kg. Antipyrine metabolite profile in 24 hr urine of rats pretreated with muscone (150 mg/kg) was examined. The results showed that the excretion of norantipyrine was significantly increased as compared to the control group. In the in vitro study, we found that the content of cytochrome P-450, and activities of aminopyrine, N-demethylase, aniline hydroxylase and delta-aminolevulinic acid (ALA) synthetase were significantly increased as compared to the controls in both male and female rats treated with muscone (75 and 150 mg/kg). This type of induction of the hepatic metabolizing enzymes was similar to that seen after treatment with a prototype drug, phenobarbital.[1]

References

  1. Induction of cytochrome P-450 and related drug-oxidizing activities in muscone (3-methylcyclopentadecanone)-treated rats. Tanaka, E., Kurata, N., Kohno, M., Yoshida, T., Kuroiwa, Y. Biochem. Pharmacol. (1987) [Pubmed]
 
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